# Slim4 vs TracM8

The clearest difference is iOS requirement: TracM8 at 15.1 against Slim4's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Slim4 | TracM8 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 29 MB | 29 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Slimstock Holding B.V.](https://appshunter.io/developer/1437251928) | [PRIM8LABS LIMITED](https://appshunter.io/developer/6779501323) |

## What reviewers say

### Slim4

[App page](https://appshunter.io/ios/app/slim4/id1670522589)

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

**In-app purchases:** none


### TracM8

[App page](https://appshunter.io/ios/app/tracm8/id6779501321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slim4 free?

Slim4 is free to download, with no in-app purchases.

### Is TracM8 free?

TracM8 is free to download, with no in-app purchases.

### Do Slim4 or TracM8 have ads?

Neither Slim4 nor TracM8 shows ads.

### Which is updated more often, Slim4 or TracM8?

Slim4 ships an update every 3 weeks, and TracM8 every 3 weeks. Most recently, Slim4 was updated on October 1, 2026 and TracM8 on September 30, 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.*