# FitterAI vs OnRep

The clearest difference is in-app purchases: FitterAI at none against OnRep's 8. FitterAI also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). OnRep's advantage is update cadence (every 2 days vs weekly). On price and device support there is nothing between them.

Both are free to download. OnRep sells 8 in-app purchases, starting at $4.99 per month. FitterAI asks for nothing beyond the download.

FitterAI ships an update weekly, OnRep every 2 days. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | FitterAI | OnRep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 29 MB | 150 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SUNGHWAN PARK](https://appshunter.io/developer/1872329563) | [BAKKUM](https://appshunter.io/developer/1466653070) |

## What reviewers say

### FitterAI

[App page](https://appshunter.io/ios/app/fitterai/id6758332449)

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

**In-app purchases:** none


### OnRep

[App page](https://appshunter.io/ios/app/onrep-workout-and-run-tracker/id6768259000)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Onrep Pro Monthly | $4.99 | per month |
| Starter Monthly | $29.00 | per month |
| Onrep Pro Yearly | $39.99 | per year |
| Growth Monthly | $79.00 | per month |
| Scale Monthly | $199.00 | per month |
| Starter Yearly | $290.00 | per year |
| Growth Yearly | $790.00 | per year |
| Scale Yearly | $1000.00 | per year |


## Frequently asked questions

### Is FitterAI free?

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

### Is OnRep free?

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

### Do FitterAI or OnRep have ads?

OnRep shows ads; FitterAI does not.

### Which is updated more often, FitterAI or OnRep?

FitterAI ships an update weekly, and OnRep every 2 days. Most recently, FitterAI was updated on October 10, 2026 and OnRep on October 23, 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.*