# Impact vs FitFever

The clearest difference is update cadence: FitFever at every 5 weeks against Impact's every 8 months. 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.

Impact ships an update every 8 months, FitFever every 5 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Impact | FitFever |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Size | 15 MB | 210 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Trainin](https://appshunter.io/developer/1732652497) | [FitFever Montfoort](https://appshunter.io/developer/1874894887) |

## What reviewers say

### Impact

[App page](https://appshunter.io/ios/app/impact45/id6739770649)

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

**In-app purchases:** none


### FitFever

[App page](https://appshunter.io/ios/app/fitfever/id6760110667)

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

**In-app purchases:** none


## Frequently asked questions

### Is Impact free?

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

### Is FitFever free?

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

### Do Impact or FitFever have ads?

Neither Impact nor FitFever shows ads.

### Which is updated more often, Impact or FitFever?

Impact ships an update every 8 months, and FitFever every 5 weeks. Most recently, Impact was updated on October 3, 2026 and FitFever 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.*