# Text Recognition vs Missing Number Calculator

The clearest difference is price: Text Recognition at Free against Missing Number Calculator's $0.99. Text Recognition also leads on iOS requirement (15.6 vs 17.0). Missing Number Calculator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Text Recognition is free to download; Missing Number Calculator costs $0.99 up front. Text Recognition sells 2 in-app purchases, starting at $1.99 per month. Missing Number Calculator asks for nothing beyond the download.

Text Recognition ships an update every 2 weeks, Missing Number Calculator every 3 days. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Text Recognition | Missing Number Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 30 MB | 6 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) |

## What reviewers say

### Text Recognition

[App page](https://appshunter.io/ios/app/text-recognition-ocr-scanner/id6473706737)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $14.99 | per year |


### 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 Text Recognition free?

Text Recognition 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 Text Recognition or Missing Number Calculator have ads?

Text Recognition shows ads; Missing Number Calculator does not.

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

Text Recognition ships an update every 2 weeks, and Missing Number Calculator every 3 days. Most recently, Text Recognition was updated on September 30, 2026 and Missing Number Calculator on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*