# RotON vs SmartCalc Easy

The clearest difference is in-app purchases: SmartCalc Easy at none against RotON's 1. RotON's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RotON sells 1 one-off in-app purchase. SmartCalc Easy asks for nothing beyond the download.

RotON ships an update every 5 days, SmartCalc Easy every 3 weeks. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RotON | SmartCalc Easy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MUNEATSU G.K.](https://appshunter.io/developer/1534902759) | [Younghan Kim](https://appshunter.io/developer/1859100256) |

## What reviewers say

### RotON

[App page](https://appshunter.io/ios/app/roton/id6754537065)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 拡張機能（プレミアム） | $1.99 | one-time |


### SmartCalc Easy

[App page](https://appshunter.io/ios/app/smartcalc-easy/id6757077422)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RotON free?

RotON is free to download, with in-app purchases available.

### Is SmartCalc Easy free?

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

### Do RotON or SmartCalc Easy have ads?

SmartCalc Easy shows ads; RotON does not.

### Which is updated more often, RotON or SmartCalc Easy?

RotON ships an update every 5 days, and SmartCalc Easy every 3 weeks. Most recently, RotON was updated on October 17, 2026 and SmartCalc Easy on October 7, 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.*