# Missing Num vs Learning

The clearest difference is ads: Learning at none against Missing Num's shown. Learning also leads on update cadence (every 2 months vs every 11 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Missing Num ships an update every 11 months, Learning every 2 months. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Missing Num | Learning |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 8 MB | 136 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Tom Wanyama](https://appshunter.io/developer/1735137741) |

## What reviewers say

### Missing Num

[App page](https://appshunter.io/ios/app/missing-num/id868026877)

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

**In-app purchases:** none


### Learning

[App page](https://appshunter.io/ios/app/learning-subtraction/id6670368319)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Missing Num free?

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

### Is Learning free?

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

### Do Missing Num or Learning have ads?

Missing Num shows ads; Learning does not.

### Which is updated more often, Missing Num or Learning?

Missing Num ships an update every 11 months, and Learning every 2 months. Most recently, Missing Num was updated on September 10, 2026 and Learning on September 16, 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.*