# Arcsin Calculator vs Sonel MeasureEffect

The clearest difference is update cadence: Sonel MeasureEffect at monthly against Arcsin Calculator's every 12 months. Arcsin Calculator's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Arcsin Calculator ships an update every 12 months, Sonel MeasureEffect monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Arcsin Calculator | Sonel MeasureEffect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Size | 43 MB | 169 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Stage Coding](https://appshunter.io/developer/1637068135) | [Sonel S.A.](https://appshunter.io/developer/1837118414) |

## What reviewers say

### Arcsin Calculator

[App page](https://appshunter.io/ios/app/arcsin-calculator/id1618615902)

**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 Arcsin Calculator free?

Arcsin Calculator 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 Arcsin Calculator or Sonel MeasureEffect have ads?

Neither Arcsin Calculator nor Sonel MeasureEffect shows ads.

### Which is updated more often, Arcsin Calculator or Sonel MeasureEffect?

Arcsin Calculator ships an update every 12 months, and Sonel MeasureEffect monthly. Most recently, Arcsin Calculator was updated on October 27, 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.*