# ReCalc+ vs RedoCalc

The clearest difference is update cadence: RedoCalc at every 3 days against ReCalc+'s every 21 months. ReCalc+'s advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReCalc+ ships an update every 21 months, RedoCalc every 3 days. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ReCalc+ | RedoCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/recalc-plus/id1121751959/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 3 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EIICHI KOMINE](https://appshunter.io/developer/495643581) | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) |

## What reviewers say

### ReCalc+

[App page](https://appshunter.io/ios/app/recalc-plus/id1121751959)

This calculator app allows for step-by-step calculations, enabling users to review their work and modify previous values. Its large display and buttons make it easy to use for quick computations.

**Highlights:** Step-by-step calculation display, Edit previous calculation values, Review calculation history, Large buttons and display, Intuitive design

**Features:** Vision Pro support

**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 ReCalc+ free?

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

### Is RedoCalc free?

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

### Do ReCalc+ or RedoCalc have ads?

Both ReCalc+ and RedoCalc show ads.

### Which is updated more often, ReCalc+ or RedoCalc?

ReCalc+ ships an update every 21 months, and RedoCalc every 3 days. Most recently, ReCalc+ was updated on September 9, 2026 and RedoCalc on September 8, 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.*