Mobile application iOS/Android

Budget: 15000 PLN Deadline: 21 days

Good morning - with such a scope, I wouldn't treat this as a task for 75 PLN or as work solely for profit sharing. Realistically, I propose starting with a paid project phase for 15,000 PLN in 21 days - architecture, MVP scope, key screen mockups, data model, choice of Flutter or React Native, integration risks with Apple Health, Google Fit, Wear OS, and Strava.

After this phase, we can calculate the actual cost of app production. Based on experience with similar systems, I would say that the MVP of such an application is rather in the range of 90,000-180,000 PLN, depending on how much automation, subscriptions, panels, and integrations are to be included in the first version. A 40% share in profits can be discussed as an addition, but not as a substitute for the development budget - otherwise, the project usually dies at the stage of good intentions =/

Technically, I see it like this - first the core of workouts, progression, calendar, statistics, and offline, then health integrations and the admin panel. Cross-platform makes sense, rather Flutter or React Native, but the decision should be made after checking the requirements for Apple Health and Google Fit. Peak performance requires a warm-up - it's similar with the product.

Two questions, to avoid shooting with cannons into the fog:
> Is it necessary to have Apple Health, Google Fit, Wear OS, and Strava simultaneously in the first version, or can we choose 1-2 integrations for the MVP?
> Should training plans be added manually through the panel only, or should the app create a plan based on the user's goal, level, and history?

Similar experience:
> https://business.ingello.com/lita - medical system, similar level of data sensitivity and user processes
> https://business.ingello.com/evrika - healthtech and digitization of processes around the user
> https://business.ingello.com/vorfahr - product with automation and platform logic, close to the MVP approach

More about us - https://systems-fl.ingello.com

On my side, in the first phase, I will take care of architecture, scope, prototype, and technical decisions. From you, I will need examples of training plans, progression rules, priorities for the MVP, and a decision on whether monetization should start from the first version or after market validation. Expand

Budget: 75 PLN Deadline: 5 days

Hello!

My name is Evgeny, and I have been professionally developing mobile applications, websites, web services, and web applications for 7 years.

*The cost I indicated is for 1 hour of work. To provide a more detailed price, I would like to get in touch/call and discuss the details.

- You can review my portfolio, feedback, and awards in my profile.

Why should you choose me?
- I have taken 1st and 2nd places in international championships and competitions in the IT field.
- I have verified video testimonials and letters of appreciation.
- I am always available, honest, and reasonable.
- I work under a contract.
- I lead my own development team.

I would be happy to talk to you in more detail about the project. Expand

Budget: 700 PLN Deadline: 5 days

I can build a training application as a paid MVP: training plans, progression, statistics, offline mode, admin panel, and architecture for later integrations with Apple Health / Google Fit / Wear OS / Strava.

Do you already have confirmed demand: a waiting list, community, first users, consultation sales, or a paid subscription test, so that we don't build a full application for 3–6 months without certainty that the market will pay for it?

Budget and deadlines — in private messages after determining the scope of the MVP, monetization model, platforms, integrations, admin panel, offline requirements, and terms of cooperation regarding profit sharing.

Budget: 100 PLN Deadline: 5 days

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Budget: 18000 PLN Deadline: 60 days

Good morning, Kacper.

I wouldn’t consider this as a simple training application. The description includes three separate products: an iOS/Android app, an admin panel, and a layer for integration with health data. Therefore, a sensible start is the first paid stage of the MVP (Minimum Viable Product), rather than a full version in 3–6 months right away.

I suggest building the first version in Flutter:
- onboarding with user goals and skill level,
- exercise database and training plans,
- load progression,
- training calendar and training history,
- basic progress charts,
- offline mode for saved plans,
- simple admin panel for editing plans.

Integrations with Apple Health / Health Connect / Strava I would add in stages after closing the first version. Google Fit is not a good direction for a new product because its API (Application Programming Interface) is being deprecated. With health data, it is also necessary from the beginning to separate analytics, advertising, and user data to avoid blocking publication in stores.

I can consider a 60/40 model, but only after establishing rights to the code, the method of calculating net profit, obligations after publication, and proof that there is demand for the application. The mere promise of future profit does not replace the development budget.

To start, I have 3 questions:
1. Are the exercises, plans, and progression rules already prepared?
2. Is there a screen design, or are we starting from UX (User Experience) from scratch?
3. Is the 40% share meant to be an addition to the remuneration, or a substitute for the budget?

The amount and deadline in the offer refer to the first stage of the MVP. Expand

Budget: 75 PLN Deadline: 1 day

Good morning! A training application with plans, progression, and integration with Apple Health / Google Fit is an interesting challenge — especially the part with visualizing progress and the management panel for plans. I do such things cross-platform on Flutter/React Native with a backend on Firebase or Node.js, so I can handle everything along with offline mode and notifications. I would be happy to discuss the details and collaboration model in a private message.

Budget: 1000 PLN Deadline: 10 days

Good morning.

I have experience in creating mobile applications for Android/iOS, including backend, Firebase, APIs, and admin panels. The project looks interesting, but the scope is large, so it would make sense to start with an MVP and then develop additional features.

We can discuss the 60/40 model, but first, I would like to understand the terms of cooperation in detail and establish a realistic first stage.

Budget: 1000 PLN Deadline: 19 days

Good morning!

I am interested in collaborating on the creation of a training application. I would propose implementation in React Native / Expo, as it allows for quicker preparation of a single application that works on both iOS and Android, reduces development costs, and makes it easier to develop the project in the future.

I see the project as an application with:
• individual training plans;
• load progression;
• training calendar;
• statistics and progress charts;
• motivational notifications;
• offline mode;
• a simple admin panel for adding and editing plans;
• the possibility of later integration with Apple Health, Google Fit / Health Connect, Wear OS, or Strava.

From a technical standpoint, I propose:
• React Native + Expo;
• Firebase / Supabase as the backend;
• local data storage for offline mode;
• admin panel as a simple web application;
• architecture prepared for premium subscription and further scaling.

I can prepare the MVP in stages: first basic training plans, user profile, calendar, and saving progress, and then statistics, integrations, challenges, subscriptions, and more advanced personalization.

We can discuss a 60/40 model, but it will be important to establish the exact scope, responsibilities, rights to the code, billing principles, and post-publication support. I am open to a partnership collaboration if the project has a real promotion and monetization plan.

I live in Poland, so if needed, we can also talk on the phone and discuss the project details, MVP scope, and first steps more quickly.

I would love to learn more details and discuss a possible implementation plan. Expand

Budget: 1000 PLN Deadline: 1 day

Hello!
My name is Igor, I am the lead developer of a compact engineering team from Ukraine 🇺🇦. We specialize in creating high-load mobile applications and have experience specifically in the Health & Fitness / Booking systems field.

📐 Technical solutions tailored to requirements:
We offer development on React Native or Flutter.
This will allow us to create a single codebase for iOS and Android, saving up to 40% of the budget and time for development, while the application will operate at native speed.
An ideal choice for MVP would be Firebase or Supabase. They will provide instant synchronization of user data, secure authentication (Email, Google, Apple OAuth), and cloud storage for training plans.
We implement local data caching (via SQLite or internal Firestore persistence). Users will be able to see their plan and log sets even in basements without internet, and when the network is available, the data will automatically sync with the backend.
We will create a convenient adaptive web panel on React.js.

📱 Our experience and live applications in the App Store (Portfolio):
We know how to create complex logic, interactive charts, calendars, and work with personal data. Check out our releases:
Our portfolio: kisolid.com/en/portfolio 🌐
App 1 (Complex calendars, tracking, and booking logic): Doctor Plus in the App Store
App 2 (Premium interface and working with custom profiles): YouEver in the App Store
App 3 (Interactive mechanics and working with device data): BallBob in the App Store

🤝 Collaboration terms
Timeline: Ready to commit to 3–4 months until the full readiness of the MVP and publication.

We are ready to start soon. I suggest we have a call on Zoom/Google Meet to discuss the architecture and detail the workflow of the first version of the application together.
Best regards,
Igor and the KISOLID team Expand

Budget: 45000 PLN Deadline: 120 days

I practically have a similar solution ready for an application with plans, progress tracking, an admin panel, and AI modules, which can be quickly adapted and launched as an MVP.))

With this scope, 75 PLN is not a realistic budget for implementation; I would rather treat it as a symbolic budget for the announcement.
A complete MVP with a mobile application, admin panel, user database, statistics, payments/subscriptions, and health integrations I estimate from around 45,000 PLN and about 4 months of work.

As for technology - Flutter will be the best, Firebase or Node.js on the server side, a separate admin panel, and health integrations done in stages.
To start, I would include training plans, progression, a calendar, statistics, offline access for saved plans, and a content editing panel.
AI can be added sensibly - plan personalization, regularity analysis, user suggestions, and automatic motivational messages.

I have 2 questions; without them, an accurate estimate will rather be pretending to be precise =)
- Is one mobile system enough for the first version, or should we use Flutter for both iOS and Android simultaneously?
- Are the exercises, plans, and progression rules already prepared content-wise, or do we also need to help arrange the product logic?

We have similar experience on our side:
- https://business.ingello.com/lita - healthtech and a system for working with users and medical processes
- https://business.ingello.com/rapport - application logic, reporting, and working with user data
- https://business.ingello.com/vorfahr - AI and automation in a product system

More about us and our approach to such systems - https://systems-fl.ingello.com
I am available, we can discuss the scope here on the platform and choose a reasonable first stage. Expand

Budget: 800 PLN Deadline: 1 day

Good day. I am ready to complete this project as I have extensive experience in app development.

Budget: 75 PLN Deadline: 1 day

Hello!

I specialize in developing mobile applications for iOS and Android and can fully implement your project — from creating the architecture and designing the functionality to publishing the finished application.

I can fully implement the functionality, including:

- integration with Apple Health / Google Fit and workout tracking;
- progress charts, activity calendars, and push notifications;
- Firebase, data synchronization, and a full offline mode, so profiles, progress, and plans are accessible even without the internet.

Examples of my work:

- https://play.google.com/store/apps/details?id=counterstep.euroapp.live
- https://play.google.com/store/apps/details?id=com.nivustop.cleaner
- https://play.google.com/store/apps/details?id=com.utils.antivirustoolkit

I am ready to discuss the details and offer the best solution for implementing your project. I look forward to collaborating! Expand

Budget: 800 PLN Deadline: 7 days

❤️Hi, hope you are doing well

This fitness app needs a scalable cross-platform foundation, especially if you want iOS, Android, offline access, wearable integrations, progress tracking, and future subscription monetization.

I’d recommend Flutter or React Native with Firebase/Node.js backend depending on how much user data needs to sync. The app can include personalized training plans, load progression, Apple Health/Google Fit/Wear OS integration, statistics, charts, workout calendar, motivational notifications, challenges, offline plan access, and a simple admin panel for adding/editing plans.

I can also support testing on real devices, App Store/Google Play preparation, clean documented code, and future updates after launch.

Best regards,
Youssef.

Budget: 75 PLN Deadline: 1 day

Hello. A few months ago, I created a similar project for my portfolio. The application is built for Android and is already available for download. https://play.google.com/store/apps/details?id=com.dijin.fattality I used a gamified style to stand out from other similar applications, but I did not engage in marketing. If it serves as a good basis, we can discuss the details of further collaboration.

Budget: 75 PLN Deadline: 20 days

Hello! I am very interested in your project: I have experience in Flutter development, which is perfect for implementing your technical requirements considering cross-platform compatibility, integration with Apple Health/Google Fit, and creating a user-friendly admin panel. I appreciate your approach to the collaboration model and marketing strategy, so I am ready to discuss the details, the backend tech stack, and the development schedule so that we can meet significantly shorter deadlines.

Budget: 75 PLN Deadline: 14 days

I have worked on similar fitness applications — the key is to properly structure the logic of training plans on the backend: load progression, history of sets/repetitions, reminder notifications. On the client side, it's important to create a convenient onboarding process tailored to the fitness level and a progress dashboard that truly motivates users to return. An MVP usually takes 6–8 weeks if the design is not delayed. Question: is there an existing design or wireframes, or are we starting from scratch? I am ready to discuss the scope and timeline.