# CEM Smart vs Sonel MeasureEffect

The clearest difference is update cadence: Sonel MeasureEffect at monthly against CEM Smart's every 2 months. CEM Smart's advantage is iOS requirement (13.0 vs 16.0). 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.

CEM Smart ships an update every 2 months, Sonel MeasureEffect monthly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | CEM Smart | Sonel MeasureEffect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 6 MB | 169 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Everbest Machinery Industry Co.,Ltd](https://appshunter.io/developer/564470332) | [Sonel S.A.](https://appshunter.io/developer/1837118414) |

## What reviewers say

### CEM Smart

[App page](https://appshunter.io/ios/app/cem-smart/id1644257399)

**Features:** macOS Compatibility

**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 CEM Smart free?

CEM Smart 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 CEM Smart or Sonel MeasureEffect have ads?

Neither CEM Smart nor Sonel MeasureEffect shows ads.

### Which is updated more often, CEM Smart or Sonel MeasureEffect?

CEM Smart ships an update every 2 months, and Sonel MeasureEffect monthly. Most recently, CEM Smart was updated on October 16, 2026 and Sonel MeasureEffect on October 19, 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.*