# Thinknx Trend vs Gerlsair

The clearest difference is update cadence: Gerlsair at every 2 months against Thinknx Trend's every 16 months. 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.

Thinknx Trend ships an update every 16 months, Gerlsair every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Thinknx Trend | Gerlsair |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 212 MB | 60 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LuForLu](https://appshunter.io/developer/417257625) | [Changsha Xizhen Electronics Technology Co., Ltd.](https://appshunter.io/developer/1754488118) |

## What reviewers say

### Thinknx Trend

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

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

**In-app purchases:** none


### Gerlsair

[App page](https://appshunter.io/ios/app/gerlsair/id6504975752)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thinknx Trend free?

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

### Is Gerlsair free?

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

### Do Thinknx Trend or Gerlsair have ads?

Neither Thinknx Trend nor Gerlsair shows ads.

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

Thinknx Trend ships an update every 16 months, and Gerlsair every 2 months. Most recently, Thinknx Trend was updated on September 24, 2026 and Gerlsair on September 22, 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.*