# RedoCalc vs SmartCalc Easy

The clearest difference is update cadence: RedoCalc at every 3 days against SmartCalc Easy's every 3 weeks. 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.

RedoCalc ships an update every 3 days, SmartCalc Easy every 3 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RedoCalc | SmartCalc Easy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 3 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) | [Younghan Kim](https://appshunter.io/developer/1859100256) |

## What reviewers say

### RedoCalc

[App page](https://appshunter.io/ios/app/redocalc/id6743318834)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartCalc Easy

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RedoCalc free?

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

### Is SmartCalc Easy free?

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

### Do RedoCalc or SmartCalc Easy have ads?

Both RedoCalc and SmartCalc Easy show ads.

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

RedoCalc ships an update every 3 days, and SmartCalc Easy every 3 weeks. Most recently, RedoCalc was updated on October 11, 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.*