
Closed
Posted
Paid on delivery
I want to turn the diagram attached in the brief into a working cloud-based application that puts our Total Health Center in every client’s pocket. The first release will be client-facing, with therapist and admin portals following later, so the UX has to feel effortless for everyday users while leaving room for professional tools behind the scenes. Core functionality • Exercise programs: cardio, strength training, swimming, plus full sports-and-spa service routines that I will supply in structured content files. • Secure payments and subscription handling. • Access control for membership tiers and facility check-ins. • Wearable integration (Apple Watch, Garmin, Fitbit preferred but I’m open to other SDKs). • Push and in-app notifications for session reminders and health tips. • Progress tracking with visual analytics surfaced from the cloud data layer. Tech expectations The stack is up to you, but it must be cloud-hosted, scalable, and ready for iOS and Android from a single code-base (React Native or Flutter are both fine; if you have a stronger proposal let me know). Clean API design is essential because therapists and admins will eventually need their own dashboards. Show me apps you have already delivered in health, wellness, or sports that prove you can handle this scope. I’m interested in solid experience over lengthy proposals—screenshots, links, or brief case studies are perfect. If you have questions about the data model, wearable APIs, or the exercise content format, ask up front so we can keep momentum.
Project ID: 40669473
427 proposals
Remote project
Active 3 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
427 freelancers are bidding on average $535 USD for this job

Hello, I understand that you are looking to develop a comprehensive Health Center App that not only caters to the needs of your clients but also provides a seamless experience for therapists and administrators. The core functionalities you mentioned, such as exercise programs, secure payments, access control, wearable integration, and progress tracking, are crucial for the success of this project. Based on your requirements, I envision utilizing a cloud-hosted solution with a scalable architecture, ensuring compatibility with both iOS and Android platforms. React Native or Flutter seem like suitable options for achieving a single code-base approach. Additionally, I will prioritize clean API design to facilitate the development of therapist and admin dashboards in the future. My portfolio includes successful projects in the health, wellness, and sports sectors, showcasing my ability to handle similar scopes effectively. I believe in demonstrating practical experience through tangible results rather than lengthy proposals. Feel free to explore my previous work to gauge my capabilities. If you have any queries regarding the technical aspects or data formats, please don't hesitate to reach out. Let's initiate a chat to discuss further insights and potential strategies for the Health Center App development. Sincerely, Rajesh
$500 USD in 10 days
9.4
9.4

Hi, The app should start with a clean member journey, while the cloud architecture is designed to support therapist and admin tools later. The main risk is defining the content model and access rules too late, especially with subscriptions, check-ins, wearable data, and progress tracking sharing one system. I would begin with the core member flow: onboarding, membership access, exercise program delivery, secure payments, notifications, and progress tracking. Then I’d design the API and data model so therapist/admin portals can be added without rework. For wearables, I’d first confirm which health data you want synced, since Apple Watch, Garmin, and Fitbit each require different integration paths and permissions. Initial focus: app flow and screen map exercise program content structure subscription and access logic wearable integration plan cloud API/data model One key question: which system should be the source of truth for progress tracking and membership status—the app, the cloud backend, or the wearable platforms?
$287 USD in 12 days
9.5
9.5

Hello, Regarding your project, i would like to discuss the app features in detail to better understand your requirements. i am a mobile applications developer and i have more than 8 years of experience developing mobile applications with backend services. i have developed many Business Solutions from scratch to Stores ready applications. i have completed more than 550 projects. i have live sample apps for you. i am super confident i will provide you best quality software services on time and on budget. Let's chat to proceed.
$2,500 USD in 30 days
8.9
8.9

Hello, Health Center App Development Specialist {{{ I HAVE DEVELOPED SIMILAR BEFORE AND I CAN SHOW YOU }}} >>>> Multi languages (English and Arabic)Left-To-Right (LTR) and Right-To-Left (RTL) <<<< I have carefully reviewed your requirements for a cloud-based Total Health Center application for iOS and Android. I have 11+ years of experience in mobile and backend development and recommend Flutter for a single, scalable codebase. I can implement exercise programs, memberships, secure payments, facility check-ins, wearable integrations, push notifications and cloud-based progress analytics. I will structure the backend with clean APIs and scalable data models so therapist and admin portals can be added later without rebuilding the core application. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. I can start immediately and provide regular test builds and progress updates. Thanks, Christina
$450 USD in 10 days
8.5
8.5

Hey there, The goal isn’t just to launch the app it’s to build a strong first release that delivers a great client experience today while keeping the foundation ready for therapist and admin portals tomorrow. I would structure the first release around a clean API and scalable cloud data layer, keeping memberships, exercise content, progress, check ins, and notifications properly separated. This gives future dashboards a solid foundation without requiring major rewrites. React Native is a strong fit for one iOS/Android codebase, while I would keep Apple Watch, Garmin and Fitbit integrations behind a flexible service layer so additional wearables can be added without disrupting the core architecture. I can handle the React Native/API development with a focus on performance, scalability and maintainability, so the product can keep growing without the codebase becoming a bottleneck. If you want a developer who can build the first release with the bigger product roadmap in mind, I’d be happy to discuss the architecture. Which wearable integration is the highest priority for the first release? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best regards, Hammad Hassan
$300 USD in 10 days
7.3
7.3

The Total Health Center app should begin as a simple, dependable client experience while its architecture remains ready for therapist and admin portals. I would build the first release in React Native for iOS and Android, with a secure cloud backend using Node.js, PostgreSQL, REST APIs, and AWS. The API will support future dashboards without rebuilding the mobile app. I’ll translate the attached diagram into navigation, membership tiers, exercise and sports/spa routines from your structured content files, secure subscription payments, facility check-in access, reminders, health tips, and cloud-based progress analytics. Wearable connectivity will be designed around Apple Health/Watch, Garmin, and Fitbit SDK capabilities, with permissions and data syncing handled securely. Push notifications and in-app alerts will use Firebase, while authentication, role-based access, encrypted data, and scalable storage will be included from the start. With 10+ years of experience and 249+ delivered projects across mobile apps, APIs, cloud systems, payments, and integrations, I can also share relevant health, wellness, and sports app screenshots or brief case studies through Freelancer. I’ll first validate the diagram and data model, then deliver the core UX, backend, integrations, testing, and release-ready builds. Are the exercise and sports/spa routines already available as structured files for the first release? Muhammad Saad
$750 USD in 7 days
7.0
7.0

I can transform your vision for a cloud-based health center app into a seamless reality. Focusing on an effortless user experience, I will ensure that clients can easily access services while creating a professional backend for future expansions. I understand that you need core functionalities like secure payments, membership access control, and integration with wearables. Delivering a scalable app for both iOS and Android from a single codebase is crucial for your project's success. My expertise in React Native and Flutter, combined with a strong background in health and wellness applications, positions me perfectly to meet your needs. I can provide examples of my past work that highlight my capabilities in this domain. Regards, Jp
$400 USD in 7 days
6.8
6.8

Hello, I have 10 years of experience developing scalable mobile applications with React Native for both Android and iOS, supported by secure REST APIs and cloud deployment. I can build the client-facing Total Health Center app with exercise programs, membership access, subscriptions, facility check-ins, wearable integrations, notifications, and progress analytics. I recommend React Native for a shared codebase while preserving native integration options for Apple Watch, Garmin, and Fitbit SDKs. I would design a modular backend with clear APIs so therapist and admin portals can be added later without restructuring the core platform. Secure authentication, payment processing, subscription validation, tier-based permissions, encrypted data handling, and reliable cloud storage would be built into the foundation. Exercise content can be organized into manageable categories and delivered dynamically through the API. Could you share the diagram and preferred payment provider so I can confirm the initial architecture? Best regards
$250 USD in 7 days
7.0
7.0

Hello, There is no diagram attached, can you please share the diagram for better understanding. I have read your requirement and I can develop the app as per your requirement. I will use flutter to develop this app. I will do the third party integration of wearables as required. Do you have any reference link. I am available to start the work immediately. Can we have more discussion, so I can understand the work and give you exact cost and time. Regards Avinash
$250 USD in 7 days
7.0
7.0

Hi, It will be an honor for me to work with you. I have got 12 years of mobile application development experience (iOS, android, flutter). Lets discuss this in detail and get this started. Looking forward to hear from you.
$650 USD in 10 days
6.9
6.9

Hello there, Hope you are doing well I can develop your Total Health Center mobile application for iOS and Android with a scalable cloud architecture, polished client experience, secure subscriptions, wearable integrations and a foundation that can later support therapist and admin portals. I’ll focus the first release on making exercise programs, memberships, payments and progress tracking simple for everyday users while keeping the backend/API architecture ready for future professional dashboards. Key Features Cross-platform iOS & Android application Client registration, login and secure profiles Membership tiers and access control Digital facility check-in Exercise programs: Cardio Strength training Swimming Sports & spa routines Structured exercise/content management Progress tracking and personal goals Visual health and fitness analytics Apple Watch integration Garmin and Fitbit integration where supported by their SDKs/APIs Secure subscription and payment processing Push and in-app notifications Session reminders and health tips Cloud data synchronization Offline-friendly experience where appropriate Secure REST APIs for future therapist/admin portals Recommended Tech Stack Mobile: Flutter Backend: Node.js + NestJS Database: PostgreSQL / Supabase Authentication: Supabase Auth / Firebase Auth Cloud: AWS or Supabase Thanks & Regards Dheeraj K.
$250 USD in 5 days
7.0
7.0

Hi,I’ve already developed a similar fitness/productivity mobile application, so your Total Health Center project is closely aligned with my previous work. I handled the UI/UX, Flutter development, workout features, progress tracking, analytics and overall mobile app implementation. For your platform, I can build a polished iOS + Android app from a single Flutter codebase, with the backend structured from day one to support future therapist and admin portals. Relevant experience includes: * Workout/exercise program management * Strength & cardio activity tracking * Progress tracking and analytics * Charts, statistics and performance trends * User accounts and secure data management * Modern responsive mobile UI/UX * Notifications and scheduled reminders * Cloud/API-based application architecture * Scalable Flutter applications I can implement your exercise programs, subscriptions/payments, membership access, facility check-ins, wearable integrations, notifications and cloud-based progress analytics while keeping the architecture flexible for future professional dashboards. Tech: Flutter, Dart, REST APIs, Cloud Backend, Database, iOS & Android. I can share my similar app screenshots, portfolio and project details so you can see the quality and functionality before we begin. I’d be happy to review the attached diagram and exercise content structure and suggest the best architecture for the first release. Best Regards,
$350 USD in 15 days
7.6
7.6

Hello There! I’m Md Toriqul Islam, an experienced full-stack/mobile developer specializing in React Native, Flutter, cloud APIs, secure authentication, payments, subscriptions, notifications, and scalable application architecture. I understand you need a cloud-based Total Health Center app for iOS and Android, starting with the client experience and designed to support future therapist/admin portals. Core features include exercise programs, memberships, secure payments, facility access, wearable integrations, notifications, and cloud-based progress analytics. I’m skilled in React Native, Flutter, REST APIs, cloud architecture, Firebase, payment integrations, push notifications, database design, and third-party API/SDK integrations. I can build the first release with a scalable API/data architecture so future therapist and admin dashboards can integrate cleanly without rebuilding the platform. I’m ready to start immediately and can discuss the exercise data model, wearable APIs, subscription flow, and provided content structure before development begins. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$250 USD in 5 days
6.4
6.4

Hello!! I can build a scalable cloud-based health center application for iOS and Android with exercise programs, subscriptions, secure payments, membership access, wearable integration, notifications and visual progress tracking. * Do you already have the exercise content files ready? * Which membership plans should be included first? * Do you already have accounts for Apple Watch, Garmin or Fitbit integrations? React Native with a secure cloud backend will provide one maintainable codebase while keeping the application ready for future therapist and admin portals. Clean application interfaces and APIs will make future expansion easier. Relevant health, wellness and fitness applications have been completed, with strong attention to secure data, smooth user experience and reliable integrations. Let us discuss your diagram and define the first release. Best regards Farhin B
$250 USD in 10 days
6.8
6.8

Hello!, I am a Florida-based senior software engineer, and this Health Center App project is exactly the kind of build I take seriously. Your biggest pain point is not just turning a diagram into an app, but turning it into a reliable cloud-based system that works smoothly for staff and patients without becoming messy later. I’d approach it in clear phases: 1) Review the diagram and map every screen, flow, and role 2) Define the backend, database, API structure, and cloud setup 3) Build the mobile app in React Native or Flutter for iPhone and Android 4) Connect secure APIs, test workflows, then polish and deploy I focus on the details clients usually care about most, like clean user flow, stable data handling, and making sure the final product matches the original logic of the brief, not just the visible screens. A few relevant examples of my past work: - clinic scheduling and patient intake app - cloud dashboard for a healthcare workflow system - appointment and records management mobile app - internal admin portal for a service business Quick questions: 1) Is the diagram already final, or should I help refine the workflow before development? 2) Do you want patient-facing, staff-facing, or both kinds of access in version one? 3) Is there any preferred cloud provider or API stack you want used? If you want, I can help you turn this into a clean, buildable product without wasted time. -James
$650 USD in 4 days
6.3
6.3

Hello, Do you prefer React Native or Flutter for this app? Have you decided on specific wearable SDKs yet? Excited about your app vision! To ensure a smooth UX transition as new portals are added, I'll focus on a scalable and modular design. Handling secure payments without affecting user experience might be challenging, but my strategy will keep it seamless. I'll send previous examples in the chat. Let’s chat to align on details and refine the path forward. Please feel free to message me anytime!
$250 USD in 4 days
5.9
5.9

Hi, I’m aligning with a cloud-hosted, single-codebase app for clients now and dashboards later, focusing on a smooth UX, payments, access control, and wearable data. I’ve delivered health/wellness apps with client-facing flows and cloud sync that scale with user growth. Execution approach: I’d start by validating the current content structure and API surface, then implement the client flow with authentication, core workouts, and wearable data adapters, followed by a light admin pathway and rollout plan. One technical risk / key challenge: wearable data normalization and privacy constraints across devices could affect analytics and reliability. Two clarification questions 1) What should happen if wearable events arrive out-of-sequence or with gaps, and how should that be reconciled in reports? 2) Do you plan multiple centers with separate data boundaries, and how should initial admin/therapist access be provisioned in v1? If we're aligned, I’d be happy to walk you through the implementation plan before we get started. Best regards, Brandon
$300 USD in 3 days
6.0
6.0

Hello, As an experienced developer with over a decade in the field, I assure you of my proficiency in serving your project's needs. Having worked on various web and mobile applications, including sports, health, and wellness platforms, motivates me for this opportunity. My ability to create software tailored to specific needs, utilizing the perfect tech stack, aligns well with your cloud-hosted vision powered by a clean API design. On reviewing your project requirements, I realized that you prioritized functionalities such as exercise programs, secure payments and subscription handling, and wearable integration to name a few. All these functionalities exist within the purview of my past projects and specializations. Flutter being one of my remarkable proficiencies in mobile app development stands poised to meet all your iOS and Android requirements from a single code base. Moreover, my expertise extends to building backend dashboards that perform efficient analytics with visually appealing outputs - a mandate for tracking user progress as you specified. This comprehensive approach of translating possibilities into tangible solutions is what I offer. Choose me for your Health Center App Development project- for an elegant interface combined with robust functionality made possible by my extensive skillset. Thanks!
$350 USD in 4 days
6.3
6.3

Hi ⭐️, Building a comprehensive health center app requires a scalable architecture that seamlessly integrates wearable data with secure subscription management. I will develop a cross-platform application using Flutter or React Native, ensuring a smooth user experience for exercise tracking, facility check-ins, and progress analytics while laying the groundwork for future therapist and admin portals. The focus will be on robust API design to handle Apple Watch, Garmin, and Fitbit integrations, alongside secure payment gateways for membership tiers. By prioritizing clean code and cloud scalability, I ensure the app is ready for growth and can easily accommodate the additional professional tools you plan to introduce in later phases. Could you share the diagram mentioned in the brief? Please let me know if you have specific preferences for the cloud backend (Firebase, AWS, etc.) to align with your long-term infrastructure goals.
$450 USD in 14 days
6.0
6.0

Getting a first-release health app right means more than putting workout content into screens; the risky part is structuring subscriptions, wearable data, check-ins, and progress tracking so the client app feels simple now while the therapist/admin side can plug in cleanly later. I’d approach this by defining the app flows and API/data model first, then building the mobile layer on a single codebase with a cloud backend that is ready to scale. I’ve worked on custom app and platform builds where user experience had to stay very clean while the backend handled roles, gated access, payments, notifications, and reporting logic. For a wellness product like this, the main win is not just design quality but making sure Apple Watch/Garmin/Fitbit data, reminders, and membership rules do not become messy when phase 2 portals are added. A small added value from my side would be helping you shape the MVP boundary so release 1 stays launchable instead of overloaded. - Do you already have the exercise content files in a fixed format such as JSON/CSV, or do they still need structuring? - For wearable sync, do you want activity import only, or two-way program/session interaction as well? - Should facility check-ins work via QR, geolocation, NFC, or another method?
$450 USD in 7 days
6.2
6.2

Amman, Jordan
Payment method verified
Member since Feb 21, 2016
$10-30 USD
$30-250 USD
$10-30 USD
$10-30 USD
$10-30 USD
$250-750 USD
$250-750 USD
$250-750 USD
$250-750 USD
$30-250 USD
$250-750 USD
₹750-1250 INR / hour
$750-1500 USD
$250-750 USD
₹75000-150000 INR
$3000-5000 USD
₹600-4000 INR
₹12500-37500 INR
₹100-150 INR / hour
$10-40 USD
₹12500-37500 INR
$2-8 USD / hour
$750-1500 AUD
$250-750 USD
₹1500-12500 INR