# RedoCalc vs Listaz

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

Both are free to download. Listaz sells 1 one-off in-app purchase. RedoCalc asks for nothing beyond the download.

RedoCalc ships an update every 3 days, Listaz every 3 weeks. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | RedoCalc | Listaz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 3 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) | [Comlinks Co. Ltd.](https://appshunter.io/developer/1668250557) |

## What reviewers say

### RedoCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Listaz

[App page](https://appshunter.io/ios/app/listaz/id6751796700)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy coffee to developers | $0.99 | one-time |


## Frequently asked questions

### Is RedoCalc free?

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

### Is Listaz free?

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

### Do RedoCalc or Listaz have ads?

RedoCalc shows ads; Listaz does not.

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

RedoCalc ships an update every 3 days, and Listaz every 3 weeks. Most recently, RedoCalc was updated on October 11, 2026 and Listaz on October 5, 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.*