# marble.fit vs Repgrit

The clearest difference is in-app purchases: marble.fit at none against Repgrit's 2. marble.fit also leads on update cadence (fortnightly vs every 2 months). Repgrit's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Repgrit sells 2 in-app purchases, starting at $6.99 per month. marble.fit asks for nothing beyond the download.

marble.fit ships an update fortnightly, Repgrit every 2 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | marble.fit | Repgrit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 10 MB | 21 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Quaid Sison](https://appshunter.io/developer/1821002361) | [Denis Kobliha](https://appshunter.io/developer/1896340782) |

## What reviewers say

### marble.fit

[App page](https://appshunter.io/ios/app/marblefit/id6757725234)

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

**In-app purchases:** none


### Repgrit

[App page](https://appshunter.io/ios/app/repgrit-workout-tracker/id6766956682)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Repgrit Pro Monthly | $6.99 | per month |
| Repgrit Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is marble.fit free?

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

### Is Repgrit free?

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

### Do marble.fit or Repgrit have ads?

Neither marble.fit nor Repgrit shows ads.

### Which is updated more often, marble.fit or Repgrit?

marble.fit ships an update fortnightly, and Repgrit every 2 months. Most recently, marble.fit was updated on October 24, 2026 and Repgrit on October 21, 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.*