# TOPIX vs Trackunit Fit

The clearest difference is update cadence: Trackunit Fit at every 3 weeks against TOPIX's every 2 months. TOPIX's advantage is iOS requirement (12.0 vs 18.0). 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.

TOPIX ships an update every 2 months, Trackunit Fit every 3 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | TOPIX | Trackunit Fit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 46 MB | 30 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TOPIX Business Software AG](https://appshunter.io/developer/406479000) | [Trackunit](https://appshunter.io/developer/1230055931) |

## What reviewers say

### TOPIX

[App page](https://appshunter.io/ios/app/topix/id6474665830)

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

**In-app purchases:** none


### Trackunit Fit

[App page](https://appshunter.io/ios/app/trackunit-fit/id6746450836)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TOPIX free?

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

### Is Trackunit Fit free?

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

### Do TOPIX or Trackunit Fit have ads?

Neither TOPIX nor Trackunit Fit shows ads.

### Which is updated more often, TOPIX or Trackunit Fit?

TOPIX ships an update every 2 months, and Trackunit Fit every 3 weeks. Most recently, TOPIX was updated on October 30, 2026 and Trackunit Fit on October 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.*