# Flex 'n Burn vs BUNDA App

The clearest difference is update cadence: BUNDA App at weekly against Flex 'n Burn's every 3 weeks. BUNDA App also leads on monetization model (free vs ad-supported) and ratings volume (1.1K vs 253). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Flex 'n Burn against 5.0 for BUNDA App. Both are backed by a comparable volume of ratings — 253 and 1.1K respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Flex 'n Burn ships an update every 3 weeks, BUNDA App weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Flex 'n Burn | BUNDA App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (253 ratings)](https://appshunter.io/ios/app/flex-n-burn/id1434456191/reviews)** | [5.0 (1.1K ratings)](https://appshunter.io/ios/app/bunda-app/id6758741147/reviews) |
| Number of ratings | 253 | **1.1K** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 38 MB | 38 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mariana Tek Corporation](https://appshunter.io/developer/1178746980) | [Bunda Inc (LA)](https://appshunter.io/developer/1495260545) |

## 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


### BUNDA App

[App page](https://appshunter.io/ios/app/bunda-app/id6758741147)

Easily browse and purchase class packs or membership options. View the class schedule, filter by type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, View class schedule, Filter classes by type, Manage reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**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 BUNDA App free?

BUNDA App is free to download, with no in-app purchases.

### Which has better reviews, Flex 'n Burn or BUNDA App?

Flex 'n Burn is rated higher. Flex 'n Burn averages 5.0 out of 5 from 253 ratings, while BUNDA App averages 5.0 from 1.1K ratings.

### Do Flex 'n Burn or BUNDA App have ads?

Neither Flex 'n Burn nor BUNDA App shows ads.

### Which is updated more often, Flex 'n Burn or BUNDA App?

Flex 'n Burn ships an update every 3 weeks, and BUNDA App weekly. Most recently, Flex 'n Burn was updated on October 10, 2026 and BUNDA App on October 25, 2026.

---

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