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This app is near completion, I have attached a working prototype below and only need some adjustments. The character pushing the boulder up the hill needs refined. The entire artwork is made up of separate sprites layered and moving at different speeds to emulate movement. This movement needs to look more fluid and accurate while he pushes the boulder up the hill. The project is written in react and you should be confident you can improve the movement mechanics to look more similar to the video attached. Project Overview: The Ascent Simplicity is key, this is essentially a one page app. Endless runner style sprites coming across the screen. I have all illustrations and layers already made. Below is a link to the almost complete app. OVERVIEW: The Ascent is a minimalist, high-performance mobile focus app designed for iOS and Android. It translates the ancient Greek myth of Sisyphus into a powerful, game-like psychological anchor for daily productivity. 1. The Core Experience Upon starting a session, users select their focus duration (e.g., 25, 45, or 60 minutes). The app transitions to a clean, distraction-free screen where Sisyphus endlessly pushes a low-poly crimson boulder up a steep 33° slope. Background layers (terracotta mountains and shifting clouds) scroll past to create a sense of scale, while a precise, real-time HUD tracks their climbing lifetime elevation progress down to five decimal places (e.g., 0.12450 MI). [login to view URL]
Project ID: 40615613
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66 freelancers are bidding on average $164 USD for this job

As an experienced Full-Stack software engineer, I believe I am the most suitable candidate for your project. With over a decade of experience in Android and iOS app development, I have extensive knowledge utilizing Flutter and React Native. Furthermore, I have solid expertise in integrating APIs to elevate user experience. In your case, upon reviewing your app prototype, I am confident that I can significantly enhance the movement mechanics to effectively reflect the character's actions of pushing the boulder up the hill. It's all about creating a fluid, intuitive and engaging visual journey! Count on me to bring this vision to life. Additionally, rest assured that as we collaborate throughout this project journey, you'll receive consistent updates from me and free technical support even after completion. I value effective communication, mutual respect, and staying committed to delivering beyond expectations. Choose me—a developer who'll be devoted to turning your concept into a cutting-edge reality! Let's discuss further details for your project; I'm eagerly looking forward to our potential partnership. Thank you for considering me, Özgür.
$140 USD in 7 days
7.8
7.8

The Ascent needs a focused animation pass rather than a rebuild: I’ll refine Sisyphus’s push cycle so his body, legs, arms, and the boulder move with more natural weight and timing while climbing the 33° slope. I’ll first inspect the existing React prototype and identify how each layered sprite is positioned, transformed, and scrolled. Then I’ll synchronize the sprite offsets with the boulder’s movement, add smooth frame/progress interpolation, and tune acceleration, foot placement, lean, and contact timing so the motion feels fluid and closer to the reference video. I’ll preserve your existing low-poly artwork, terracotta mountains, cloud layers, endless-runner behavior, and real-time elevation HUD, while avoiding unnecessary changes to the one-page app. I’ll test the animation at different screen sizes and focus-session states to prevent jitter, drifting layers, or frame-rate-dependent movement. I can start immediately and deliver the adjusted implementation in 2 days. Should the current sprite layering and artwork remain exactly as provided, with changes limited to movement mechanics? Muhammad Saad
$90 USD in 2 days
7.0
7.0

Hi, I reviewed your near-complete one-page React app and understood the main need: refine the character pushing the boulder so the layered sprite movement becomes more fluid and accurate like the reference video. I’ll focus on improving the movement mechanics in your existing React/React Native setup, tuning sprite timing, easing, and parallax scrolling so the character and boulder align better on the 33° slope. I’ll also ensure the HUD’s climbing elevation progression stays consistent with the updated mechanics. I’ll deliver clean, stable updates with smooth frame pacing and easy testing in Expo for both iOS and Android. Let’s discuss here now.
$150 USD in 7 days
7.0
7.0

Hi there, I can refine the sprite animation and movement mechanics in your existing React/Expo app so Sisyphus' push cycle feels much more fluid, weight-driven, and closely matches the reference video while preserving your layered parallax system and overall minimalist aesthetic. I'll focus on timing, body mechanics, sprite synchronization, and seamless looping without affecting the rest of the application. Question: Are the current movement and parallax animations driven by sprite sheets, frame-based sequences, or React animation libraries such as Reanimated or GSAP? Kindly send me a message to discuss more in detail. Thanks.
$150 USD in 3 days
7.1
7.1

Hello, As the leader of a highly experienced and reputable web and software development firm, I am equipped with the right expertise to turn your existing mobile focus app into a polished product that accurately embodies the essence of Sisyphus' struggle. My skills in Native iOS/Android development and cross-platform Flutter/React Native apps align perfectly with the project's needs. I'm familiar and confident working with React which is crucial as your app is built on it. With my team at A4Logic, we have completed nearly 500 projects with a 97% completion rating and secured a 5-star review overall. This demonstrates our commitment, technical competence, and dedication to delivering on time and within scope. Furthermore, we're well-versed in important components of your project such as API, payment gateway, CRM and third-party integrations which ensures a bug-free integration to meet your desired outcome. Our established reputation not only reflects our ability to solve urgent technical problems but also our reliability at building digital products that withstand time. Additionally, you can expect helpful suggestions for enhancements thanks to our proactive approach throughout the entire process. Hire me for this project and let's give users an elevated experience of productivity through The Ascent! Thanks!
$130 USD in 2 days
6.2
6.2

I checked the brief, and this looks like a nice fit. Since the app is already near completion in React, I can focus specifically on improving the Sisyphus/boulder movement so it feels more fluid, natural, and closer to your target reference. I’m comfortable working with layered sprite motion, parallax timing, and fine-tuning movement behavior for a smoother visual result. If you want, I can start by refining the core push cycle first and then polish the background speed relationships around it.
$250 USD in 4 days
6.2
6.2

Hi, I’ve worked on React projects involving animation refinement, interactive UI, and performance focused frontends, so I understand how much difference smooth movement makes to the overall experience. Since your app is already near completion, the priority is preserving the existing architecture while making Sisyphus' movement feel natural and closely match the reference animation. A key challenge is synchronizing layered sprite animations with the boulder and background parallax so the pushing motion feels fluid instead of mechanical. My approach is to analyze the current animation loop, refine movement timing, easing, and sprite coordination, optimize rendering performance, and compare the final behavior against your reference video until it feels right. I will improve the character and boulder animation, fine tune the layered movement mechanics, optimize React rendering where needed, and deliver polished, smooth animations without disrupting the rest of the application. Best Regards, Muhammad Saad K
$70 USD in 3 days
4.9
4.9

Hello! I appreciate the opportunity to work on "The Ascent." It sounds like a fascinating project, and I understand that you’re looking to refine the character animation to ensure a fluid and accurate movement as Sisyphus pushes the boulder up the hill. With extensive experience in React and game development, I have successfully optimized animations and interactions in previous projects, focusing on creating seamless user experiences. My proficiency in animation libraries like GSAP and React Spring will enable me to enhance the movement mechanics to align closely with the reference video you provided. To achieve the desired outcome, my approach will include: - Analyzing the current animation setup to identify areas for improvement. - Implementing advanced easing functions to create a more natural motion. - Fine-tuning sprite layering and speed variations for realistic depth. - Testing across devices to ensure consistent performance and fluidity. I am eager to bring this project to completion and am confident that my skills will contribute to the polished final product you envision. I’m available to start immediately and would love to discuss any further details. Thank you for considering my proposal!
$30 USD in 7 days
4.8
4.8

As a seasoned full-stack developer who excels in mobile app development with a strong focus on React Native, I am the ideal candidate to improve your minimalist mobile focus app. I have an expansive skill set that includes Android and iOS development as well as proficiency in areas such as character animation and customizable HUDs. Having worked with complex APIs integration, I'm confident that I can refine your movement mechanics to emulate the video you've attached and display a fluid, accurate motion as the character pushes the boulder up the hill. Moreover, my attention to detail comes into play here. By paying close attention to your vision, I will ensure that every element of The Ascent, from its clean backdrop layers to its precise real-time elevation tracking on the HUD, is aligned with your requirements. And while I take pride in my capacity for understanding technical aspects of projects, I also understand the need to view development through a business-oriented lens. This mindset will guarantee that your app's core experience is not only engaging but efficient too, helping users maximize their daily productivity just as you intend. Together we can turn The Ascent into an impactful reality. Let's get started!
$140 USD in 7 days
4.1
4.1

As an accomplished software development specialist at Web Crest, I am highly skilled in Android and iOS development, making me the perfect fit for your project. I have extensive experience developing high-performance mobile applications and can fully leverage my React Native expertise to improve your existing app's mechanics. Your request to refine the character's movement mechanic aligns with my strength in enhancing user experiences, just as I've done for several apps in the past. Aside from my technical proficiency, what sets me apart is my business-focused approach, which continues to deliver tailor-made solutions that meet specific client needs while amplifying their ideas. I am well-versed in Agile project management methodologies, ensuring efficient communication channels and prompt response times - factors crucial for our smooth collaboration. The transparency you desire will be a top priority as we march towards bringing a refined and fluid movement to your "The Ascent" mobile focus app. Lastly, what assures our compatibility is my belief in developing scalable and maintainable solutions. As we venture into this project together, I assure you of a long-term dedication to the technical support and future-ready updates your app might require. Let's bring your vision of productivity anchored game-app driven by minimalism and ancient Greek mythology to life!
$100 USD in 3 days
3.5
3.5

I’d be happy to help with this polish pass. The app concept is strong, and the main value here is making the motion feel believable and fluid without breaking the simplicity of the experience. I can work inside the existing React setup, tune the layered sprite movement, and improve the push animation so it better matches the reference behavior you have in mind. I’ll also keep performance in mind for a smooth mobile feel.
$200 USD in 5 days
3.5
3.5

Your scope is clear, which is great. I can help refine the existing React prototype and improve the character/boulder movement so the uphill push reads more accurately and feels smoother on mobile. Because the artwork and layered assets are already prepared, the effort can stay focused on mechanics, timing, and animation polish rather than rebuilding anything from scratch. It’s a small but important adjustment, and I understand the minimalist look you want to preserve.
$250 USD in 5 days
3.6
3.6

Your Ascent concept is really interesting, and I’d be happy to help polish the final animation details. Since the illustrations and sprite layers are already prepared, the main focus will be improving the mechanics and making the movement feel more realistic. I can work with your React codebase to adjust the sprite animation timing, character movement, layer speeds, and transitions so the climbing sequence has better flow and a stronger sense of weight. I understand this is a near-complete app, so I’ll avoid unnecessary changes and focus only on refining the existing experience while keeping performance smooth for iOS and Android. I’d like to review how the current animation is structured and compare it with the target video to identify the best improvements. Looking forward to helping you finish The Ascent.
$100 USD in 3 days
3.6
3.6

Hello, I hope you're doing well. I understand you already have the core app completed and only need refinement of the character and sprite movement to make the boulder-pushing animation feel more natural and fluid. I have experience working with React-based applications, animations, sprite systems, and performance optimization for interactive interfaces. I can review the current movement logic, layer timing, sprite positioning, and animation flow to improve the feeling of weight, effort, and forward motion while keeping your existing artwork intact. My approach would be to analyze the current prototype, compare the movement with your reference video, then fine-tune the character cycle, boulder interaction, parallax layers, and timing so the whole scene feels smoother on mobile devices. Thanks.
$100 USD in 3 days
3.4
3.4

Hi , Thanks for sharing your project. I read through the description and it looks like you're looking for someone with experience in iPhone, Android, React Native, iOS Development and Mobile App Development. This is the kind of work I do regularly, so I can focus on solving your problem instead of getting up to speed. I've worked on projects involving web applications, APIs, automation, and system integrations. Whether you're starting from scratch, improving an existing system, or fixing a specific issue, I'm comfortable jumping in wherever you need help. You can view examples of my work here: https://www.freelancer.com/u/thomasb726 Before we get started, I'd like to clarify a couple of details so we're on the same page and can avoid unnecessary back-and-forth later. I like to keep communication simple and transparent, so you'll always know where things stand. I'll keep you updated on progress, meet agreed milestones, and deliver a solution that's reliable, maintainable, and built with your long-term goals in mind. If it sounds like we're a good fit, I'd be glad to discuss the details and answer any questions you may have. Thanks for your time, and I look forward to hearing from you. Best, Tom
$150 USD in 1 day
3.0
3.0

The movement should feel physically believable, not just animated. I'll refine the pushing mechanics by synchronizing the character's gait, body lean, arm extension, boulder rotation, and parallax layers so every frame conveys the weight and resistance of pushing the boulder uphill. I reviewed your prototype and understand you're not rebuilding the app—you need the existing React implementation polished to achieve smoother, more natural animation that matches your reference while maintaining the minimalist aesthetic. My approach Refine character movement cycle and body posture Synchronize boulder rotation with pushing force Improve sprite timing and easing curves Fine-tune parallax layer speeds for better depth Maintain high FPS and mobile performance Test across Android & iOS devices Estimated Timeline: 2–3 days (subject to codebase review) Estimated Cost: USD 180 (I'll provide a refined timeline and fixed cost after reviewing the codebase to ensure an accurate estimate.) I enjoy polishing interactions like this because subtle animation improvements often make the biggest difference in making an app feel premium. Best, Virander
$180 USD in 3 days
2.8
2.8

Hi there, regarding the character movement in your app, I can refine the sprite animations to ensure the boulder pushing looks fluid and accurate, enhancing the overall experience of your minimalist app. With my experience in React and mobile app development, I can seamlessly integrate improvements to achieve the desired effect you demonstrated in the video. Your satisfaction is my priority, and I guarantee that I will deliver you a high-quality result. Regards, Ali
$30 USD in 1 day
2.6
2.6

Hey , I just went through the project description, and I see you are looking for someone experienced in iOS Development, iPhone, React Native, Android and Mobile App Development. It instantly reminded me of a client who faced similar challenges, and I knew I had a tailor-made solution for it. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: • Is there anything else you’d like to add to the project details? • What’s the top hurdle you’re facing with this project? • What is the timeline to get this done? Why Choose Me? 250+ Projects. 5 Years. Zero Misses. My reputation is built on a single metric: Flawless Execution. While others promise quality, my last 100+ consecutive 5-star reviews prove it. I don’t just finish the job; I set the standard. The portfolio here is just the tip of the iceberg. To respect client confidentiality, my recent heavy-hitters aren't public, but I can share them 1-on-1. Regards, Ali .
$30 USD in 2 days
2.6
2.6

Hello, I have worked on React Native motion screens where layered sprites, timing, and parallax need to feel natural on mobile. Your focus app is close, and the key work is refining Sisyphus pushing the boulder, matching the slope, and keeping the mountains and clouds moving smoothly. I will tune the animation timing, sprite offsets, and loop behavior so the movement feels closer to the attached video. I will keep the one page experience clean for iOS Development and Android while protecting performance in Expo. This Mobile App Development task fits well because it is focused on polish, accuracy, and a calm final feel. Best regards, Teo
$200 USD in 2 days
2.4
2.4

Hi there I can build the minimalist focus app for both Android and iOS using React Native as you requested. The app will include a simple timer, focus mode toggle and basic settings screen. I will start by setting up the cross‑platform project, implement the timer logic, then add the UI and test on both platforms. This project is well within my recent work on Android arcade games and modular firmware, so delivering a reliable app at the agreed price and timeline is realistic. I will deliver a functional app, source code and a brief usage guide. Could you confirm the required focus‑mode triggers? Do you need any data sync between devices?
$250 USD in 12 days
2.5
2.5

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