# Member app for a multi-site fitness chain

The chain's members used a white-label app that the business didn't own. Native iOS and Android member app with class booking, wearable sync and personalised training plans.

- **Sector**: Fitness
- **Region**: United Kingdom
- **Disciplines**: Mobile · AI
- **Practices**: [Product engineering](https://www.winapps.co.in/services/product-engineering/), [AI & machine learning](https://www.winapps.co.in/services/ai-ml/)
- **Client**: Under NDA. References available on a call.

## The challenge

A multi-site fitness chain in the United Kingdom relied on a white-label member app that it didn't own.

## Our approach

We built native apps for iOS (Swift) and Android (Kotlin) on a Node.js back end running on AWS. The apps cover class booking, sync with members' wearable devices and personalised training plans.

## Architecture

- **Members**: iOS app (Swift), Android app (Kotlin), Wearable devices
- **API**: Node.js API
- **Capabilities**: Class booking, Wearable sync, Personalised training plans
- **Cloud**: AWS

Illustrative architecture, simplified to protect client confidentiality.

## Results

Outcome details for this engagement are shared under NDA. We're happy to walk through results and put you in touch with a reference on a call.

## Stack

- Swift
- Kotlin
- Node.js
- AWS

Next case study: [Legacy pharma SaaS re-platformed to cloud-native](https://www.winapps.co.in/work/pharma-saas-replatform/) ([Markdown](https://www.winapps.co.in/work/pharma-saas-replatform.md))

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A senior engineer, not a salesperson, replies within one business day. NDA available before any detailed discussion.

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