# PencilCalc vs *CalcMemo

The clearest difference is update cadence: PencilCalc at every 2 days against *CalcMemo's weekly. *CalcMemo's advantage is iOS requirement (16.4 vs 18.6). On price, ads, 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.

PencilCalc ships an update every 2 days, *CalcMemo weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | PencilCalc | *CalcMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 4 MB | 37 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YASUHIDE MATSUMOTO](https://appshunter.io/developer/1850732929) | [Tomoyuki Fukuzawa](https://appshunter.io/developer/1893263866) |

## What reviewers say

### PencilCalc

[App page](https://appshunter.io/ios/app/pencilcalc/id6754930533)

**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 PencilCalc free?

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

### Is *CalcMemo free?

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

### Do PencilCalc or *CalcMemo have ads?

Neither PencilCalc nor *CalcMemo shows ads.

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

PencilCalc ships an update every 2 days, and *CalcMemo weekly. Most recently, PencilCalc was updated on October 25, 2026 and *CalcMemo 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.*