# QuickCalculator vs RedoCalc

The clearest difference is in-app purchases: RedoCalc at none against QuickCalculator's 2. RedoCalc also leads on update cadence (every 3 days vs every 2 months). QuickCalculator's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. QuickCalculator sells 2 in-app purchases, starting at $0.99 per year. RedoCalc asks for nothing beyond the download.

QuickCalculator ships an update every 2 months, RedoCalc every 3 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | QuickCalculator | RedoCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 50 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAZUHIRO KAKIMOTO](https://appshunter.io/developer/1378277306) | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) |

## What reviewers say

### QuickCalculator

[App page](https://appshunter.io/ios/app/quickcalculator-all-in-one/id1404000437)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Annual | $0.99 | per year |
| Pro - Lifetime | $4.99 | one-time |


### RedoCalc

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QuickCalculator free?

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

### Is RedoCalc free?

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

### Do QuickCalculator or RedoCalc have ads?

Both QuickCalculator and RedoCalc show ads.

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

QuickCalculator ships an update every 2 months, and RedoCalc every 3 days. Most recently, QuickCalculator was updated on October 15, 2026 and RedoCalc on October 25, 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.*