# LarsLighting BT vs Sonel MeasureEffect

The clearest difference is update cadence: LarsLighting BT at every 9 days against Sonel MeasureEffect's monthly. 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.

LarsLighting BT ships an update every 9 days, Sonel MeasureEffect monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | LarsLighting BT | Sonel MeasureEffect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Size | 58 MB | 169 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [GSOC SP Z O O](https://appshunter.io/developer/1751977008) | [Sonel S.A.](https://appshunter.io/developer/1837118414) |

## What reviewers say

### LarsLighting BT

[App page](https://appshunter.io/ios/app/larslighting-bt/id6751152855)

**Features:** Vision Pro support

**In-app purchases:** none


### Sonel MeasureEffect

[App page](https://appshunter.io/ios/app/sonel-measureeffect/id6751837211)

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

**In-app purchases:** none


## Frequently asked questions

### Is LarsLighting BT free?

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

### Is Sonel MeasureEffect free?

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

### Do LarsLighting BT or Sonel MeasureEffect have ads?

Neither LarsLighting BT nor Sonel MeasureEffect shows ads.

### Which is updated more often, LarsLighting BT or Sonel MeasureEffect?

LarsLighting BT ships an update every 9 days, and Sonel MeasureEffect monthly. Most recently, LarsLighting BT was updated on October 25, 2026 and Sonel MeasureEffect on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*