# Flex vs REPS

The clearest difference is in-app purchases: REPS at none against Flex's 2. REPS also leads on update cadence (every 5 days vs every 3 months). Flex's advantage is iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Flex sells 2 in-app purchases, starting at $13.99 per month. REPS asks for nothing beyond the download.

Flex ships an update every 3 months, REPS every 5 days. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Flex | REPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 70 MB | 4 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CAPNKLUTCH](https://appshunter.io/developer/1772032590) | [Murat Surenler](https://appshunter.io/developer/6786936260) |

## What reviewers say

### Flex

[App page](https://appshunter.io/ios/app/flex-stretch/id6736611703)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $13.99 | per month |
| Premium Annual | $39.99 | per year |


### REPS

[App page](https://appshunter.io/ios/app/reps-kettlebell-antrenman/id6810940641)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flex free?

Flex is free to download, with in-app purchases available.

### Is REPS free?

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

### Do Flex or REPS have ads?

Neither Flex nor REPS shows ads.

### Which is updated more often, Flex or REPS?

Flex ships an update every 3 months, and REPS every 5 days. Most recently, Flex was updated on October 25, 2026 and REPS on October 7, 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.*