# CalMemo Stadio vs InkCalc

The clearest difference is ads: InkCalc at none against CalMemo Stadio's shown. InkCalc also leads on update cadence (fortnightly vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. CalMemo Stadio sells 2 in-app purchases, starting at $2.99 per month and InkCalc sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CalMemo Stadio ships an update every 6 weeks, InkCalc fortnightly. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CalMemo Stadio | InkCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 115 MB | 2 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Udagagwa Rie](https://appshunter.io/developer/1865092161) | [KENTARO SOGA](https://appshunter.io/developer/1883580671) |

## What reviewers say

### CalMemo Stadio

[App page](https://appshunter.io/ios/app/calmemo-stadio/id6757178967)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalMemo Premium (Monthly) | $2.99 | per month |
| CalMemo Premium (Yearly) | $14.99 | per year |


### InkCalc

[App page](https://appshunter.io/ios/app/inkcalc-notepad-calculator/id6763837608)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InkCalc Monthly | $1.99 | per month |


## Frequently asked questions

### Is CalMemo Stadio free?

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

### Is InkCalc free?

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

### Do CalMemo Stadio or InkCalc have ads?

CalMemo Stadio shows ads; InkCalc does not.

### Which is updated more often, CalMemo Stadio or InkCalc?

CalMemo Stadio ships an update every 6 weeks, and InkCalc fortnightly. Most recently, CalMemo Stadio was updated on October 21, 2026 and InkCalc on October 28, 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.*