# ST4U vs Thinknx Trend

The clearest difference is update cadence: ST4U at every 3 weeks against Thinknx Trend's every 16 months. Thinknx Trend's advantage is iOS requirement (12.0 vs 15.1). 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.

ST4U ships an update every 3 weeks, Thinknx Trend every 16 months. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ST4U | Thinknx Trend |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Size | 35 MB | 212 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HePoJ](https://appshunter.io/developer/1596658297) | [LuForLu](https://appshunter.io/developer/417257625) |

## What reviewers say

### ST4U

[App page](https://appshunter.io/ios/app/st4u/id1596658055)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thinknx Trend

[App page](https://appshunter.io/ios/app/thinknx-trend/id1641230278)

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

**In-app purchases:** none


## Frequently asked questions

### Is ST4U free?

ST4U is free to download, with no in-app purchases.

### Is Thinknx Trend free?

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

### Do ST4U or Thinknx Trend have ads?

Neither ST4U nor Thinknx Trend shows ads.

### Which is updated more often, ST4U or Thinknx Trend?

ST4U ships an update every 3 weeks, and Thinknx Trend every 16 months. Most recently, ST4U was updated on October 9, 2026 and Thinknx Trend on October 11, 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.*