# Trimm 420 vs YX BLE

The clearest difference is update cadence: YX BLE at monthly against Trimm 420's every 18 months. Trimm 420's advantage is iOS requirement (11.0 vs 13.0). 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.

Trimm 420 ships an update every 18 months, YX BLE monthly. The most recent releases landed on October 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Trimm 420 | YX BLE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Monthly** |
| Size | 20 MB | 44 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gustav Schubert](https://appshunter.io/developer/670940970) | [Hunan Ginkgo Data Technology Co., Ltd.](https://appshunter.io/developer/1525473030) |

## What reviewers say

### Trimm 420

[App page](https://appshunter.io/ios/app/trimm-420/id989762941)

**In-app purchases:** none


### YX BLE

[App page](https://appshunter.io/ios/app/yx-ble/id6747751510)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trimm 420 free?

Trimm 420 is free to download, with no in-app purchases.

### Is YX BLE free?

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

### Do Trimm 420 or YX BLE have ads?

Neither Trimm 420 nor YX BLE shows ads.

### Which is updated more often, Trimm 420 or YX BLE?

Trimm 420 ships an update every 18 months, and YX BLE monthly. Most recently, Trimm 420 was updated on October 26, 2026 and YX BLE on October 3, 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.*