# Missing Numbers Minds vs Academic Fish App

The clearest difference is iOS requirement: Academic Fish App at 15.6 against Missing Numbers Minds's 26.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Missing Numbers Minds sells 2 one-off in-app purchases and Academic Fish App sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Missing Numbers Minds ships an update every 5 months, Academic Fish App every 7 months. The most recent releases landed on September 9, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Missing Numbers Minds | Academic Fish App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 19 MB |
| Requires iOS | 26.1 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juan Fullana](https://appshunter.io/developer/692107580) | [ACADEMIC FISH LTD](https://appshunter.io/developer/1564051382) |

## What reviewers say

### Missing Numbers Minds

[App page](https://appshunter.io/ios/app/missing-numbers-minds/id980949764)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation for maintenance. | $0.99 | one-time |
| Extra for develop and maintenance | $0.99 | one-time |


### Academic Fish App

[App page](https://appshunter.io/ios/app/academic-fish-app/id1613334891)

This app helps students understand and translate academic math language across English, Irish, and Chinese. It offers video, audio, and text resources for post-primary to university levels, developed by mathematicians.

**Highlights:** Academic math language translation, English, Irish, and Chinese support, Video, audio, and text resources, Curriculum-based content, Post-primary to university levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $3.99 | per month |


## Frequently asked questions

### Is Missing Numbers Minds free?

Missing Numbers Minds is free to download, with in-app purchases available.

### Is Academic Fish App free?

Academic Fish App is free to download, with in-app purchases available.

### Do Missing Numbers Minds or Academic Fish App have ads?

Neither Missing Numbers Minds nor Academic Fish App shows ads.

### Which is updated more often, Missing Numbers Minds or Academic Fish App?

Missing Numbers Minds ships an update every 5 months, and Academic Fish App every 7 months. Most recently, Missing Numbers Minds was updated on September 9, 2026 and Academic Fish App on June 5, 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.*