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*Untitled To Do List App* Productivity App Development – Calendar Sync, Live Activities, Screen Time Blocking & AI Task Parsing **Project Description:** I’m building a modern productivity app focused on deep work, task execution, and intelligent scheduling. A working prototype/design is already available, and I’m looking for an experienced mobile app developer or team to turn it into a polished production-ready app. The app combines task management, focus tools, calendar integrations, and intelligent scheduling into one streamlined experience. ### Core Features * Multi-calendar sync integration (Google Calendar, Apple Calendar, Outlook, etc.) * SSO sign-in integration (Google, Apple, Microsoft) * Live Activities integration (iOS preferred) * Step-by-step walkthrough tasks * Ability to create tasks with multiple sub-steps * Schedule prep tasks before events * Reminders * Screen time/focus mode functionality that can block distracting apps * Smart capture notes section that parses natural writing into tasks/events automatically * Modern, polished UI/UX with smooth interactions and animations * Productivity-focused workflow design ### Additional Notes * Full prototype/design already available for reference * Strong attention to UI/UX quality is important * Experience with productivity apps, calendar APIs, AI parsing, or focus tools is a major plus * Looking for scalable architecture and clean maintainable code * Cross-platform experience is preferred, but open to recommendations ### Preferred Tech Stack (Flexible) * Swift / SwiftUI for iOS * Flutter or React Native for cross-platform * Firebase or Supabase backend * Calendar API integrations * AI/NLP parsing for converting notes into tasks/events ### Please Include in Proposal * Relevant mobile app portfolio * Experience with productivity or scheduling apps * Experience with Live Activities, calendar sync, or screen time APIs * Recommended tech stack * Estimated timeline and budget *** Advanced Prototype is available and will be shared with shortlisted developers. ***
Project ID: 40516560
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266 freelancers are bidding on average $34 USD/hour for this job

Hello, I confirm that I have read and understood your requirements, and it would be an honor to work with you. With over 14 years of experience in mobile app development, AI integrations, and productivity-focused applications, I can transform your existing prototype into a polished, scalable, production-ready app with a strong focus on user experience, performance, and maintainability. I have experience building applications that integrate calendar APIs, SSO authentication, notifications, task management workflows, real-time features, and AI-powered functionality. For this project, I would recommend Flutter or React Native for cross-platform development, combined with Firebase or Supabase for a scalable backend and AI/NLP services for intelligent task and event parsing. I can implement multi-calendar synchronization, Live Activities, focus mode workflows, task hierarchies, reminders, smart note parsing, and modern animations while maintaining clean architecture and future scalability. The final product will be optimized for performance, usability, and long-term growth. Kindly check my profile for reviews and previous mobile application projects. I would be happy to review the advanced prototype and discuss the most effective technical approach. Budget and timeline can be discussed further after reviewing the prototype, feature priorities, and deployment requirements. Warm regards, Harpreet Singh
$25 USD in 50 days
9.4
9.4

⭐️⭐️⭐️ Uber-Style Taxi Booking App for iOS & Android ⭐️⭐️⭐️ Hello, I checked the JD and understand that you want to build a complete Uber-style taxi platform with separate passenger and driver apps for iOS and Android, along with an admin panel, real-time ride management, live tracking, and secure payment integration. Main Features: * Passenger mobile app * Driver mobile app * Admin dashboard * User registration and authentication * Real-time ride booking * Live GPS tracking * Interactive map integration * Driver ride request management * Trip acceptance and status updates * Turn-by-turn navigation support * Fare estimation and pricing engine * In-app card and wallet payments * Earnings and trip history * Push notifications * In-app chat and messaging * Ride scheduling * Ratings and reviews * Promo codes and discounts Let’s chat… Thanks
$25 USD in 40 days
9.8
9.8

With over a decade of experience in mobile app development and productivity solutions, I understand your goal of creating an intelligent productivity app that combines task management, calendar integrations, and focus tools for efficient task execution. My background in building high-scale systems, including apps serving over 1 million users, equips me to tackle the complexities of your project effectively. For strategic insight, I recommend leveraging AI/NLP parsing for converting natural notes into tasks/events, enhancing the user experience with seamless task creation. My success in building and scaling Telegram Mini Apps proves my ability to deliver polished and production-ready applications, aligning with your project's needs. I encourage you to reach out to discuss how we can bring your Intelligent Productivity App to life with a scalable architecture and modern UI/UX. Let's collaborate to create a cutting-edge solution that prioritizes productivity and efficient task management for your users.
$40 USD in 15 days
9.1
9.1

Hello, I'm Kausar, a seasoned designer with expertise in Website Design, UI/UX, and App Design. I've successfully completed 900+ projects globally and specialize in creating visually appealing designs that resonate with brands. I focus on understanding your brand to ensure every visual decision communicates your message effectively. My approach to your Intelligent Productivity App project would involve translating your vision into a distinct, professional design that aligns with your brand story. Check out my https://www.freelancer.com/u/dfordesigners for a glimpse of my work. Let's collaborate to bring your app to life seamlessly. Looking forward to discussing further. Thank you.
$45 USD in 40 days
8.6
8.6

Hi — Elias here from Miami. I see you're looking to develop a to-do list app that incorporates calendar sync and live activities. These features can enhance productivity, but they also come with challenges, especially when it comes to ensuring smooth integration and maintaining a user-friendly experience. One common issue is managing real-time updates without overloading the app's performance. Another is ensuring that calendar sync works flawlessly across different devices and platforms. These can lead to user frustration if not handled properly. My approach would be to start with a clear understanding of your target users and their needs. From there, I would focus on creating a robust architecture that allows for seamless interaction between the to-do list, calendar, and other functionalities. Thorough testing will be key to resolving any potential issues before launch. Could you share more about the specific features you envision for the live activities? Also, do you have a particular platform in mind for the initial launch, or are you looking for cross-platform development? Looking forward to your thoughts.
$50 USD in 10 days
8.5
8.5

Hello, I hope you’re doing well. My name is Vishal Nasit, and I represent OM Infowave Software Pvt. Ltd. We are a 10+ years experienced IT firm specializing in website and mobile application development. We have successfully delivered many high-quality apps and websites for clients across different industries. ? Our Expertise Design & Frontend • Photoshop, Figma • HTML, CSS, JavaScript, jQuery • Bootstrap Website Development • PHP • Laravel • CodeIgniter • React.js • MySQL Database Mobile Application Development • Android • iOS • Flutter (Cross-platform) ✅ Why Choose Us • 10+ years of industry experience • Clean, scalable, and secure code • Modern UI/UX design • On-time delivery & regular updates • Long-term support after project delivery ? Our Approach 1. Understand your exact requirements 2. UI/UX design approval 3. Development with regular milestones 4. Testing & quality assurance 5. Final delivery and deployment 6. Ongoing support if required ? Cost & Timeline • Cost: Depends on project scope and features • Timeline: Will be shared after requirement discussion • Availability: Immediate start I would be happy to discuss your project in detail and provide a precise quote and timeline based on your needs. Looking forward to working with you. Best regards, Vishal Nasit OM Infowave Software Pvt. Ltd.
$25 USD in 56 days
8.4
8.4

With expertise in mobile app development and UI/UX design, I understand your vision for the *Untitled To Do List App*. To seamlessly integrate calendar sync, live activities, and AI task parsing for enhanced productivity, my skills in multi-calendar sync integration and modern UI design align perfectly with your requirements. How do you envision user engagement tracking within the app to enhance productivity further? Regards, Yogesh Kumar
$38 USD in 36 days
8.2
8.2

Hi there, I will build your productivity app — multi-calendar sync, Live Activities, AI-powered note parsing, and screen time blocking — with a polished UI matching your prototype. For the smart capture feature, I will use structured NLP to extract dates, priorities, and sub-steps from natural text, mapping them directly to calendar events and task objects. Questions: 1) Are you leaning toward native iOS first or cross-platform from the start? 2) Which backend do you prefer — Firebase or Supabase? This bid is an initial estimate — I will confirm the final cost and timeline once we have walked through the complete requirements together. Looking forward to your response. Best regards, Kamran
$34 USD in 40 days
8.4
8.4

Hello, Intelligent Productivity App Development {{{ I HAVE CREATED SIMILAR APPS BEFORE AND I CAN SHOW YOU }}}} **** You can track the project’s progress using the tracker. I’m available to work 40 -45 hours per week **** I have carefully reviewed your requirements and understand the vision behind your productivity app. The combination of intelligent task management, calendar synchronization, focus tools, AI-powered task parsing, Live Activities, and deep-work workflows is a product area I am very familiar with. I have 10+ years of experience in mobile application development, I can help transform your existing prototype into a scalable, production-ready application with a clean architecture, polished UI/UX, and maintainable codebase. I have experience working with calendar integrations, SSO authentication, AI/NLP workflows, Firebase/Supabase backends, and modern mobile frameworks. I would recommend Flutter or React Native for cross-platform development, combined with Supabase/Firebase and AI-powered parsing services for converting natural language notes into actionable tasks, events, and reminders. The architecture will be designed for future scalability and feature expansion. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND I WILL ASSIST YOU FROM INITIAL REVIEW OF THE PROTOTYPE THROUGH DEVELOPMENT, TESTING, APP STORE SUBMISSION, AND PUBLISHING. Thanks Christina
$40 USD in 40 days
8.4
8.4

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Website Design, Mobile App Development, iPhone, Objective C, Swift, App Design, UI / User Interface, Flutter, AI (Artificial Intelligence) HW/SW, Prototype Design and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
$30 USD in 5 days
8.6
8.6

--- Productivity App Development (Calendar Sync + Focus Tools) --- I can help turn your prototype into a production-ready productivity app with intelligent scheduling, focus tools, and seamless calendar integrations. Here’s my approach: → Cross-platform mobile app with modern, responsive UI → Google, Apple, and Outlook calendar synchronization → SSO via Google, Apple, and Microsoft → Task management with sub-tasks, reminders, and event preparation workflows → Focus mode with screen-time blocking capabilities → AI-powered note parsing to convert natural text into tasks and events → Scalable backend using Firebase or Supabase Flow Sign In → Capture Task/Note → AI Parsing → Schedule & Calendar Sync → Focus Session → Reminders & Live Activities Question Should the AI parsing rely on external LLM APIs (OpenAI/Claude) or do you prefer a more cost-efficient rules-based approach for the MVP? Lets connect... Thanks
$28 USD in 40 days
8.0
8.0

Hi I can help turn your advanced productivity app prototype into a polished production-ready mobile app with task management, calendar sync, focus tools, reminders, and AI-powered task parsing. The main technical challenge is connecting calendar APIs, Live Activities, Screen Time controls, SSO, and AI parsing into one smooth workflow without making the app feel heavy or unstable. My solution would be to build a clean scalable architecture using Swift/SwiftUI for the strongest iOS experience, with Firebase or Supabase for authentication, data sync, reminders, and backend logic. For mobile features, I can integrate Google, Apple, and Microsoft sign-in, multi-calendar sync, iOS Live Activities, push reminders, task/subtask flows, and focus-mode style restrictions where platform APIs allow it. I would also pay close attention to UI/UX quality, animations, onboarding, and productivity-focused interactions so the app feels modern and easy to use every day. For AI parsing, I can design a smart capture flow that converts natural notes into structured tasks, events, prep steps, and reminders using NLP/AI models with user confirmation before saving. Security and maintainability would be handled through clean code structure, protected API access, reliable data models, and a backend setup that can scale as the user base grows. Thanks, Hercules
$50 USD in 40 days
7.1
7.1

Hi there, I have read your project requirement. You need a modern productivity app with calendar synchronization, focus mode, Live Activities, AI-powered task parsing, reminders, and intelligent scheduling. The goal is to deliver a polished, scalable application with excellent UI/UX and smooth interactions. We will build the app using Flutter for cross-platform support with Firebase/Supabase backend and integrate Google, Apple, and Outlook calendars. AI-based note parsing will convert natural text into actionable tasks and events, while maintaining a clean and maintainable architecture. To proceed, I need to confirm: ======================== Is iOS the priority for the MVP, or should Android be released simultaneously? Do you want on-device AI parsing or cloud-based AI services? Should screen-time blocking be implemented using native APIs or a custom focus workflow? Will the app require premium subscriptions and in-app purchases? Best Regards, SrashtaSoft Team
$26 USD in 40 days
7.2
7.2

Hello! As per your project post, you are looking to build an Intelligent Productivity Application that combines task management, calendar synchronization, focus tools, and AI powered task parsing into a single streamlined mobile experience. The goal is to create a highly polished productivity app where users can manage tasks, schedule events, reduce distractions, and convert natural language notes into actionable items, all within a smooth and scalable system. My focus will be on developing a production ready cross platform application with core modules including multi calendar synchronization with Google, Apple, and Outlook calendars, secure SSO authentication using Google, Apple, and Microsoft sign in, task management with multi step workflows, scheduling and reminder system, AI based natural language task parsing, and a focus mode system for distraction control. I specialize in building advanced mobile applications using Flutter and React Native with strong experience in API integrations, calendar systems, real time data workflows, and scalable architecture design. My approach focuses on clean code structure, seamless user experience, and building systems that can evolve easily into AI driven productivity platforms. Let’s connect to define the architecture and build a powerful next generation productivity platform. Best regards, Nikita Gupta.
$25 USD in 40 days
6.8
6.8

Hi there, I understand you need a polished productivity app built from your prototype, including task/sub-step workflows, calendar sync, SSO, Live Activities, reminders, focus/screen-time controls, smart note parsing, and a premium mobile UI. I have strong experience building SwiftUI, Flutter, and React Native apps with calendar APIs, Google/Apple/Microsoft sign-in, Firebase/Supabase, scheduling logic, reminders, smooth animations, and scalable mobile architecture. I would recommend SwiftUI first if Live Activities and Screen Time controls are core, then structure the backend and parsing layer so cross-platform expansion remains clean and maintainable. Q1: Is iOS the first launch priority, or must Android ship at the same time? Q2: Which calendar integrations are required for MVP: Google, Apple, Outlook, or all three? Q3: Do you need app-blocking/focus controls at launch, or can they be phased after core scheduling? Best regards
$38 USD in 40 days
7.0
7.0

Hi, I’m a mobile developer with experience building productivity apps, calendar integrations, AI task parsing, and focus tools. I can turn your prototype into a polished, production-ready app with scalable architecture and a strong UX. Plan: validate MVP scope, choose a tech path, and implement core features: multi calendar sync (Google, Apple, Outlook), SSO (Google, Apple, Microsoft), Live Activities, tasks with sub-steps, prep tasks before events, reminders, screen time blocking, and AI notes to tasks/events. Use native iOS SwiftUI for best Live Activities and focus features, with Flutter or React Native for cross-platform if desired. Backend with Firebase or Supabase for auth, data, and real-time sync. Calendar APIs and NLP for parsing notes. Approach emphasizes modular design, clean data models, offline support, accessibility, automated tests, and CI/CD. Timeline: discovery and architecture (1-2w), MVP features (6-8w), polish and QA (2-3w). Estimated range: $45k-$70k depending on cross-platform scope; can adjust to a leaner MVP if you want faster delivery. I can review the Advanced Prototype and deliver a detailed spec, data model, and API contracts. If this sounds right, I’m ready to start and can assemble a lean, focused team. Best, Justin
$50 USD in 7 days
6.7
6.7

Hello, I hope you are doing well. I understand that you are looking to build a PRODUCTIVITY MOBILE APPLICATION, and I would be happy to help. I have extensive experience in designing and developing applications and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$25 USD in 40 days
7.2
7.2

Hi There!!! ★★★★ (Productivity app with calendar sync, AI task parsing and focus/blocking system ★★★★) **Project understanding:** I understand you are building a high-end productivity app that combines task management, smart scheduling, calendar syncing, and focus tools. You already have a prototype, and now need a production-ready mobile app with polished UI/UX, AI-based task parsing, Live Activities, and strong integrations like Google/Apple/Outlook calendars and SSO login. ⚜ Multi-calendar sync (Google, Apple, Outlook) + clean event handling ⚜ AI task parsing from natural language notes into tasks/events ⚜ Live Activities + notifications for iOS (real-time updates) ⚜ Focus mode / screen time blocking for productivity sessions ⚜ Task system with sub-steps, reminders and scheduling logic ⚜ Secure SSO authentication (Google, Apple, Microsoft) ⚜ Scalable architecture with clean API structure & backend setup Plan is to first review your prototype, define architecture for calendar + task engine, then build modular features step-by-step with strong focus on UX smoothness and performance. Let’s connect and discuss prototype so I can suggest best technical direction and timeline. Warm Regards, Farhin B.
$25 USD in 40 days
6.8
6.8

Hello, I see you're looking to develop a productivity app with features like calendar sync and live activities. To tackle this, I'd focus on using Flutter for cross-platform compatibility, ensuring a smooth user experience on both iOS and Android. Integrating screen time tracking with a calendar sync feature will require careful management of user permissions and data flow to maintain privacy and efficiency. I'd start by setting up the Flutter environment and creating a basic prototype to visualize the app's structure. Q1: What specific calendar services do you want to integrate with the app? Q2: Are there any particular design preferences or existing UI elements you want to incorporate? Q3: How do you envision the live activities feature functioning within the app? Let me know how we can move forward.
$25 USD in 10 days
6.6
6.6

Hello! We can build an app development solution for your productivity prototype and core features. 1. Are you open to working with an external contractor or team for this app? 2. Which features should be covered first? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$38 USD in 40 days
6.4
6.4

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