# GenieNote vs Missing Number Calculator

The clearest difference is price: GenieNote at Free against Missing Number Calculator's $0.99. Missing Number Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

GenieNote is free to download; Missing Number Calculator costs $0.99 up front. GenieNote sells 1 one-off in-app purchase. Missing Number Calculator asks for nothing beyond the download.

GenieNote ships an update every 2 weeks, Missing Number Calculator every 3 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | GenieNote | Missing Number Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 7 MB | 6 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Leo Rivas-Micoud](https://appshunter.io/developer/302776955) | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) |

## What reviewers say

### GenieNote

[App page](https://appshunter.io/ios/app/genienote-notes-and-calculator/id6747508810)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $39.99 | one-time |


### Missing Number Calculator

[App page](https://appshunter.io/ios/app/missing-number-calculator/id6747973776)

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

**In-app purchases:** none


## Frequently asked questions

### Is GenieNote free?

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

### Is Missing Number Calculator free?

Missing Number Calculator costs $0.99, with no in-app purchases.

### Do GenieNote or Missing Number Calculator have ads?

GenieNote shows ads; Missing Number Calculator does not.

### Which is updated more often, GenieNote or Missing Number Calculator?

GenieNote ships an update every 2 weeks, and Missing Number Calculator every 3 days. Most recently, GenieNote was updated on October 28, 2026 and Missing Number Calculator 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.*