# Octuple Calc vs *CalcMemo

The clearest difference is ads: *CalcMemo at none against Octuple Calc's shown. On price, update cadence, 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.

Octuple Calc ships an update every 2 weeks, *CalcMemo weekly. The most recent releases landed on September 28, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Octuple Calc | *CalcMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 36 MB | 37 MB |
| Requires iOS | **15.8.3** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Tomoyuki Fukuzawa](https://appshunter.io/developer/1893263866) |

## What reviewers say

### Octuple Calc

[App page](https://appshunter.io/ios/app/octuple-calc/id6742039735)

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

**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 Octuple Calc free?

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

### Is *CalcMemo free?

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

### Do Octuple Calc or *CalcMemo have ads?

Octuple Calc shows ads; *CalcMemo does not.

### Which is updated more often, Octuple Calc or *CalcMemo?

Octuple Calc ships an update every 2 weeks, and *CalcMemo weekly. Most recently, Octuple Calc was updated on September 28, 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.*