# Train Slimmer vs Project Fit app

The clearest difference is update cadence: Train Slimmer at every 11 days against Project Fit app's every 2 months. Train Slimmer also leads on iOS requirement (9.0 vs 13.0). 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.

Train Slimmer ships an update every 11 days, Project Fit app every 2 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Train Slimmer | Project Fit app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Size | 58 MB | 189 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Grib Leisure IT Innovations B.V.](https://appshunter.io/developer/1358470822) | [RH Health & Performance](https://appshunter.io/developer/1675114914) |

## What reviewers say

### Train Slimmer

[App page](https://appshunter.io/ios/app/train-slimmer/id1404327712)

**Features:** macOS Compatibility

**In-app purchases:** none


### Project Fit app

[App page](https://appshunter.io/ios/app/project-fit-app/id6445962255)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Train Slimmer free?

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

### Is Project Fit app free?

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

### Do Train Slimmer or Project Fit app have ads?

Neither Train Slimmer nor Project Fit app shows ads.

### Which is updated more often, Train Slimmer or Project Fit app?

Train Slimmer ships an update every 11 days, and Project Fit app every 2 months. Most recently, Train Slimmer was updated on September 17, 2026 and Project Fit app on September 15, 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.*