# F vs FitterDays

The clearest difference is update cadence: FitterDays at every 4 months against F'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.

F ships an update every 8 months, FitterDays every 4 months. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | F | FitterDays |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Size | 15 MB | 147 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Trainin](https://appshunter.io/developer/1732652497) | [Simon Quick Holding B.V.](https://appshunter.io/developer/1810687416) |

## What reviewers say

### F

[App page](https://appshunter.io/ios/app/f-it/id6740269498)

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

**In-app purchases:** none


### FitterDays

[App page](https://appshunter.io/ios/app/fitterdays/id6745094748)

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

**In-app purchases:** none


## Frequently asked questions

### Is F free?

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

### Is FitterDays free?

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

### Do F or FitterDays have ads?

Neither F nor FitterDays shows ads.

### Which is updated more often, F or FitterDays?

F ships an update every 8 months, and FitterDays every 4 months. Most recently, F was updated on October 6, 2026 and FitterDays on October 25, 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.*