# TrackX vs VIOU

The clearest difference is ads: VIOU at none against TrackX's shown. VIOU also leads on iOS requirement (12.0 vs 26.0). TrackX's advantage is update cadence (every 3 days vs every 2 months). On price, 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.

TrackX ships an update every 3 days, VIOU every 2 months. The most recent releases landed on October 1, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | TrackX | VIOU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 15 MB | 36 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shilei Dong](https://appshunter.io/developer/1071606141) | [Guangzhou Weiou](https://appshunter.io/developer/1797473050) |

## What reviewers say

### TrackX

[App page](https://appshunter.io/ios/app/trackx/id6483943019)

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

**In-app purchases:** none


### VIOU

[App page](https://appshunter.io/ios/app/viou/id6742218202)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrackX free?

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

### Is VIOU free?

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

### Do TrackX or VIOU have ads?

TrackX shows ads; VIOU does not.

### Which is updated more often, TrackX or VIOU?

TrackX ships an update every 3 days, and VIOU every 2 months. Most recently, TrackX was updated on October 1, 2026 and VIOU on September 27, 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.*