# OriginCalc vs *CalcMemo

The clearest difference is iOS requirement: *CalcMemo at 16.4 against OriginCalc's 18.2. On price, update cadence, 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.

OriginCalc ships an update every 9 days, *CalcMemo weekly. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OriginCalc | *CalcMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 4 MB | 37 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yusaku Akimioto](https://appshunter.io/developer/1828632352) | [Tomoyuki Fukuzawa](https://appshunter.io/developer/1893263866) |

## What reviewers say

### OriginCalc

[App page](https://appshunter.io/ios/app/origincalc/id6749050876)

**Features:** macOS Compatibility

**In-app purchases:** none


### *CalcMemo

[App page](https://appshunter.io/ios/app/calcmemo-calculator-notes/id6762182082)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OriginCalc free?

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

### Is *CalcMemo free?

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

### Do OriginCalc or *CalcMemo have ads?

Neither OriginCalc nor *CalcMemo shows ads.

### Which is updated more often, OriginCalc or *CalcMemo?

OriginCalc ships an update every 9 days, and *CalcMemo weekly. Most recently, OriginCalc was updated on October 13, 2026 and *CalcMemo on October 14, 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.*