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I want to launch a mobile app that walks users through a dedicated 30-day flexibility program. Each day a new stretching routine appears, the user performs it, taps “Completed,” and the app instantly logs their progress. No extra check-ins or wearable syncing for now—just a clear record of finished exercises. The overall look must stay professional and clean: neutral palette, uncluttered screens, typography that reads well at a glance. A simple dashboard showing today’s stretch, a calendar of past completions, and basic streak statistics will keep motivation high without visual noise. Core functionality I need built • Secure sign-up / log-in • Challenge calendar that unlocks one flexibility routine per day • “Completed” button that updates streaks and stats in local storage and the cloud • Push reminders so users don’t miss a day • Code architecture flexible enough to add future cardio or strength challenges with minimal rework Deliverables • UI/UX mock-ups reflecting the professional, clean style • Production-ready iOS & Android builds with source code • Setup notes explaining how to add new routines or whole challenges I’ll test the app end-to-end on TestFlight and the internal Google Play track; final approval comes once a full 30-day cycle logs accurately and the project compiles straight from the repository.
Project ID: 40719424
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66 freelancers are bidding on average $14 USD/hour for this job

I can design and develop your 30-day flexibility challenge app for iOS and Android, with a clean UI, secure login, daily stretching routines, completion tracking, calendar, streak statistics, and push reminders. I’ll ensure progress syncs between local storage and the cloud, with a scalable architecture for future fitness challenges. I’ll provide UI/UX mock-ups, production-ready builds, source code, and setup notes. Ready to start right away and support testing on TestFlight and Google Play. Please see our portfolio on this link : https://www.freelancer.com/u/webperfection123
$12 USD in 40 days
8.0
8.0

Hello, 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 Graphic Design, Flex, UX / User Experience, App Design, UI / User Interface, Flex Circuit Design, iOS 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.
$20 USD in 5 days
8.1
8.1

Hi there, Thank you for considering my bid. I believe my profile fits your project well and I'd like to offer my services. My name is Etienne. I’m a UK-based freelance designer with over a decade of experience in digital product design, proficient in Figma and Adobe Creative Suite. I maintain a strong track record of project completion, excellent reviews, and a high client retention rate. I offer premium services, efficient communication, and a commitment to complete client satisfaction. Please take a look at my portfolio: https://www.freelancer.com/u/etienn If you’re interested in a collaboration, please contact me over chat to discuss the details or schedule a meeting. I would love to learn more about your project and explore how we can work together to achieve your goals. Best regards, Etienne
$15 USD in 40 days
8.1
8.1

Hello! I am ready to help you with 30-Day Flexibility Challenge App, Exactly as you want. I have lots of experience in Graphic Design, App Design. Must check our profile to check amazing ratings and reviews: https://www.freelancer.com/u/komalshaikh92 I am available to chat or a call to discuss the project right now. Thankyou, Komal. Digitaurus Technologies.
$8 USD in 40 days
7.8
7.8

Hello, With over 7 years of experience in Graphic Design and UX, I specialize in creating professional and clean mobile app interfaces. I have thoroughly reviewed your project description for the 30-Day Flexibility Challenge App and understand the need for a user-friendly design with a neutral palette and clear typography. I am confident in providing a clear and professional solution for your app, including a secure sign-up/log-in, a challenge calendar with unlocked routines, a streak and stats tracker, push reminders, and a flexible code architecture for future challenges. I would love to discuss your project further. Please start the chat so we can explore your requirements in more detail. Best regards
$8 USD in 40 days
6.1
6.1

Hello Sir, What if you could have a fully functional demo of your 30-Day Flexibility Challenge app before we dive into development? Our approach focuses on clean, user-friendly design while ensuring flexibility for future enhancements, allowing seamless integration of cardio or strength challenges later on. Let's connect to discuss how we can bring this motivating experience to life. Best, Smith
$12 USD in 40 days
5.8
5.8

Hi there, I see you're looking to develop a mobile app that guides users through a dedicated 30-day flexibility program. I can create a clean and professional UI/UX design that emphasizes an uncluttered layout, ensuring users can easily navigate through daily routines. Implementing the functionality for secure sign-up/log-in, local storage for tracking progress and streaks, and push notifications for reminders will be my top priorities. I'll ensure that the code architecture allows for adding future challenges seamlessly, accommodating potential extensions into cardio or strength routines. I’ll provide production-ready builds for both iOS and Android platforms, along with comprehensive setup notes. Let’s discuss how I can contribute to making your app engaging and straightforward for users. Regards, Ali
$10 USD in 1 day
5.6
5.6

When developing a mobile app that focuses on a user-friendly experience, the real challenge often lie in creating an intuitive interface that encourages daily engagement. To adress potential concerns about user retention and data integrity, I will make sure that all user interactions are smooth and that progress is securely logged without risking data lost. Phased Approach: Design mock-ups: Create UI/UX mock-ups reflecting your clean, professional style. Development sprint: Build production-ready apps for iOS and Android with source code. Testing phase: Conduct thorough testing on TestFlight and Google Play for quality assurance. Final adjustments: Implement feedback and finalize the app for 30-day cycle approval. Are there specific features or statistics you'd like to highlight on the dashboard? Rajavel
$12 USD in 30 days
5.9
5.9

Hi, I can build your 30-day flexibility challenge app for both iOS and Android using Flutter with a clean, scalable architecture. I’ll implement secure authentication, daily routine unlocking, completion tracking, streaks, calendar history, cloud/local data sync, and push reminders. The UI will follow your professional, neutral, uncluttered style with a simple dashboard and clear progress experience. I’ll structure the challenge system so future cardio, strength, or other programs can be added without major code changes. I’ll provide Figma mockups, production-ready builds, complete source code, setup documentation, and support through TestFlight and Google Play testing.
$8 USD in 40 days
4.3
4.3

Hey, sounds like a clean daily-unlock flow for your 30-day flexibility program. I can map out that neutral dashboard and hook up the 24-hour routine unlock without bloating the code. The tricky part is usually keeping local storage and cloud state synced when a user marks a day complete offline, but I've handled that plenty of times. Are you leaning toward Flutter or React Native for the cross-platform build?
$15 USD in 40 days
4.2
4.2

Hi there, Building a 30-day fitness app requires a delicate balance between frictionless user experience and a robust backend to ensure streaks and calendar unlocks never miss a beat, and my solution is to develop a cross-platform mobile application using a modular architecture that cleanly separates daily routines while syncing seamlessly across local storage and the cloud. Before we dive in, here are my questions: 1. Are you planning to use Firebase for user authentication and cloud data syncing, or do you have another backend preference in mind? 2. Do you already have the specific stretching routines and media content prepared, or will I need to source placeholder exercises for the initial builds? Drop me a message so we can get started right away.
$15 USD in 40 days
4.3
4.3

Hello, I HAVE SEEN YOUR DESCRIPTION. YOU NEED A CLEAN 30-DAY FLEXIBILITY CHALLENGE APP FOR IOS AND ANDROID WITH DAILY ROUTINES, PROGRESS TRACKING, STREAKS AND PUSH REMINDERS. I have reviewed your requirements and can build this as a lightweight Flutter app with a single maintainable codebase for both platforms. I have 10+ years of experience with mobile apps, Flutter, authentication, cloud backends, local storage, push notifications and production deployments. I can create the clean UI/UX, secure sign-up/login, daily routine unlocking, completion tracking, calendar history, streak statistics and reminder notifications. I’ll structure the challenge data separately from the core app logic so additional cardio, strength or other 30-day programs can be added later without major redevelopment. The progress system can support local storage for fast updates while synchronizing with the cloud, with proper handling for missed days, completed routines and streak calculations. I’ll also test the complete 30-day cycle to ensure progress is logged accurately. Working Flow: UI/UX → Authentication → Challenge & Routine Data → Daily Unlock → Completion Tracking → Calendar & Streaks → Cloud Sync → Push Reminders → Testing → TestFlight/Google Play Please share the routine content, preferred backend and any design references so I can review the scope and confirm the architecture, milestones and timeline. Thanks, Invoke Tech
$10 USD in 40 days
4.4
4.4

Hello! We can build your 30-day flexibility program app with a clean, professional design—secure sign-up/login, daily routine unlocks, a "Completed" button that logs progress locally and to the cloud, push reminders, and streak statistics. As a team of 62 professionals with over 9 years of experience in iOS/Android app development, we've built similar challenge-based fitness apps with flexible architecture for adding future cardio or strength programs with minimal rework. Here's how we can help: - Design clean, uncluttered UI/UX mock-ups with a neutral palette and readable typography. - Build production-ready iOS and Android apps with secure authentication, challenge calendar, daily unlocks, and completion logging. - Implement local storage + cloud sync for streaks and stats, plus push reminders to keep users on track. - Architect the code so new routines or whole challenges (cardio, strength) can be added easily. - Deliver setup notes explaining how to add new routines or challenges. To clarify, do you have a preferred backend (Firebase, Supabase, custom API) for cloud sync? Also, do you have branding assets or a preferred font/palette we should follow? We'll test end-to-end on TestFlight and Google Play internal track and ensure a full 30-day cycle logs accurately. Let's build your app.
$12 USD in 40 days
4.1
4.1

Greetings, Understanding the need for a dedicated 30-day flexibility program app, I am confident in my ability to deliver a professional and clean design that aligns with your vision. With a focus on user experience, I will ensure a seamless journey for users as they progress through daily stretching routines. My expertise in Graphic Design, UI/UX, and App Design positions me as a strong fit for this project. By following a structured approach encompassing secure sign-up/log-in, challenge calendar progression, and push reminders, I will guarantee a smooth and engaging user experience. My portfolio showcases successful projects in similar domains, highlighting my capability to deliver results that exceed expectations. Could you please share your top priority or business goal to help me tailor the project accordingly? I invite you to initiate a chat to finalize the scope seamlessly. Looking forward to the opportunity to collaborate on this exciting project. Best regards, Muhammad Anas Khan
$15 USD in 40 days
4.2
4.2

Creating engaging and user-friendly mobile applications is my forte. With a background in designing intuitive user interfaces and seamless user experiences, I am confident that I am the right freelancer for your 30-Day Flexibility Challenge App project. I have successfully developed similar apps that focus on daily routines and progress tracking, ensuring a professional and clean look with a neutral palette and clear typography. My expertise in secure sign-up/log-in processes, daily challenge calendars, and push notifications align perfectly with your requirements. I will approach this project by creating UI/UX mock-ups that reflect the desired style, delivering production-ready iOS and Android builds, and providing detailed setup notes for future enhancements. Please review my portfolio https://www.freelancer.com/u/alphatechca to see examples of my work. Looking forward to discussing your project further. Best regards, Sahar H.
$15 USD in 40 days
3.8
3.8

Hi, Thanks for posting "30-Day Flexibility Challenge App" — it lands right in our wheelhouse, and we'd be thrilled to bring it to life. What stood out to me is how clearly you’ve described what you want — and clarity like that is where we deliver our very best work. From your brief I can see this involves ui/ux, ui, ux — all areas we handle in-house. We specialise in Graphic Design, Flex, UX / User Experience, App Design, which lines up directly with what you need. How we'd approach it: - Discovery to capture your brand, references and goals - Initial concepts for you to react to - Refine the chosen direction across revision rounds - Deliver source files in every format you need I also noted you don’t need visual noise — that’s clear, and I’ll keep the work clean and strictly on-brief. Happy to work hourly with transparent time tracking and regular check-ins. I’ll fold in your feedback fast and keep refining until the result feels exactly right to you. Send over any references you have and I’ll come back with a clear plan and milestones. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!
$8 USD in 5 days
3.1
3.1

Hi, The core challenge here is building an app that feels simple to users but stays maintainable as you add new challenge types later. A 30-day streak tracker sounds straightforward, but the real work is getting the architecture right so you're not rewriting everything when you launch cardio or strength modules. I'd structure this around a modular challenge framework where each routine (flexibility, cardio, strength) inherits from a base challenge class. That way the completion logic, streak counting, and cloud sync stay consistent, and adding a new challenge type means plugging in a new routine set rather than touching core code. For the UI, I'd use a clean state management approach so the dashboard, calendar, and stats all stay in sync whether the user is offline or pushing data to the cloud. One thing to watch: timezone handling. If a user completes a stretch at 11 PM and the server records it in UTC, their streak might break unexpectedly when they check the app the next morning. I'd store completion timestamps in UTC but always display and calculate streaks in the user's local timezone to avoid confusion. I'll deliver production-ready iOS and Android builds with clear setup notes for adding new routines—just a JSON config and a routine class, no digging through the main app logic. I'll test the full 30-day cycle on TestFlight and Google Play internal track before handoff, and make sure the repo compiles cleanly on first pull. I can start right away. Thanks, Felix.
$15 USD in 40 days
2.4
2.4

Hello, I'm Denis, a full-stack developer who has built several fitness and wellness apps with daily progression systems. I understand what you're building—a clean 30-day challenge app where users complete daily routines, track streaks, and stay motivated without unnecessary complexity. The core challenge is getting the progression logic right. Each day must unlock exactly one routine, completion state must sync reliably between local storage and cloud, and streaks must calculate correctly even after missed days or app reinstalls. Push reminders also need consistent delivery across platforms without being intrusive. I'd start by mapping the data model for users, routines, and completion records, then build authentication. From there, the main flow is the daily unlock system, completion state management, and the dashboard displaying today's routine plus a calendar view. Push notifications and end-to-end testing follow. The architecture is crucial. I'd structure the code so challenges are modular—new routines or challenge types can be added via JSON or database updates rather than changing core logic. This keeps future maintenance simple. One realistic consideration: ensuring completion timestamps sync correctly across devices and time zones, especially offline completions. I'd store timestamps in UTC and validate server-side to prevent streak manipulation. I can start immediately. Let's discuss the details. Thanks, Denis.
$15 USD in 40 days
2.1
2.1

I would use Flutter and Firebase, with a simple Today screen, challenge calendar and progress view. A completion should have a unique user/challenge/day key so offline retries cannot inflate streaks. Routine content should remain separate from progress records. At $8/hour, I propose a three-day first sprint of up to 18 hours for the UI, login and a working daily-completion flow. Cloud sync, reminders and release testing would follow agreed milestones. My mobile portfolio includes GOAT Cricket. I would provide source, setup notes and internal test builds; the full launch estimate follows content review. Are the 30 routines ready, and should missed days be completed in order? I would test a simulated 30-day cycle, time-zone changes and duplicate taps before handover.
$8 USD in 20 days
1.7
1.7

Hi, I guess the real challenge is that the app must enforce a strict daily routine while keeping data sync simple and future‑proof. I will build a modular MVVM architecture with a shared core library for challenge logic, a lightweight local Room/SQLite database, and a Firestore sync layer that only writes on “Completed.” The UI will be a single‑screen flow using Jetpack Compose / SwiftUI, with a calendar view backed by a reusable component. Push notifications are handled via FCM/APNs with a daily schedule that respects Do‑Not‑Disturb. All new challenge types will plug into the same data model via a generic routine schema. Deliverables: polished UI/UX mock‑ups, fully functional iOS and Android APK/IPA builds with source, a detailed README on adding routines or new challenge categories, and automated test scripts for the 30‑day cycle. I have delivered cross‑platform health apps with daily sync and streak metrics for 8+ clients. I am open to work immediately. Best Regards.
$12 USD in 40 days
0.0
0.0

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