# Kokokitara vs RedoCalc

The clearest difference is update cadence: Kokokitara at daily against RedoCalc's every 3 days. 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.

Kokokitara ships an update daily, RedoCalc every 3 days. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Kokokitara | RedoCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 3 days |
| Size | 4 MB | 3 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Koyu Tanigawa](https://appshunter.io/developer/1612788321) | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) |

## What reviewers say

### Kokokitara

[App page](https://appshunter.io/ios/app/kokokitara/id6737480024)

**Features:** macOS Compatibility

**In-app purchases:** none


### RedoCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kokokitara free?

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

### Is RedoCalc free?

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

### Do Kokokitara or RedoCalc have ads?

Both Kokokitara and RedoCalc show ads.

### Which is updated more often, Kokokitara or RedoCalc?

Kokokitara ships an update daily, and RedoCalc every 3 days. Most recently, Kokokitara was updated on October 2, 2026 and RedoCalc on October 11, 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.*