# Flex 'n Burn vs Infinity Medspa Rewards

The clearest difference is update cadence: Flex 'n Burn at every 3 weeks against Infinity Medspa Rewards's every 4 months. Infinity Medspa Rewards's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flex 'n Burn ships an update every 3 weeks, Infinity Medspa Rewards every 4 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flex 'n Burn | Infinity Medspa Rewards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (254 ratings)](https://appshunter.io/ios/app/flex-n-burn/id1434456191/reviews)** | — |
| Number of ratings | **254** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 38 MB | 194 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Mariana Tek Corporation](https://appshunter.io/developer/1178746980) | [J&T Empire Inc](https://appshunter.io/developer/1792893256) |

## What reviewers say

### Flex 'n Burn

[App page](https://appshunter.io/ios/app/flex-n-burn/id1434456191)

Access fitness classes and manage your account with this app. It offers a 30-minute workout combining high-tech machines and HIIT to maximize results and save time. Join studio classes to experience an efficient and effective fitness routine.

**Highlights:** Book classes, Manage account, View locations, 30-minute workouts, HIIT training, CardioMuscular Workout™

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Infinity Medspa Rewards

[App page](https://appshunter.io/ios/app/infinity-medspa-rewards/id6741074036)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flex 'n Burn free?

Flex 'n Burn is free to download, with no in-app purchases.

### Is Infinity Medspa Rewards free?

Infinity Medspa Rewards is free to download, with no in-app purchases.

### Do Flex 'n Burn or Infinity Medspa Rewards have ads?

Neither Flex 'n Burn nor Infinity Medspa Rewards shows ads.

### Which is updated more often, Flex 'n Burn or Infinity Medspa Rewards?

Flex 'n Burn ships an update every 3 weeks, and Infinity Medspa Rewards every 4 months. Most recently, Flex 'n Burn was updated on November 6, 2026 and Infinity Medspa Rewards on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*