# Academic Fish App vs Thesius

The clearest difference is in-app purchases: Thesius at none against Academic Fish App's 1. Thesius also leads on update cadence (every 4 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Academic Fish App sells 1 in-app purchase, starting at $3.99 per month. Thesius asks for nothing beyond the download.

Academic Fish App ships an update every 7 months, Thesius every 4 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Academic Fish App | Thesius |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 215 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ACADEMIC FISH LTD](https://appshunter.io/developer/1564051382) | [Seigneur Consults Limited](https://appshunter.io/developer/1469317635) |

## What reviewers say

### 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 |


### Thesius

[App page](https://appshunter.io/ios/app/thesius/id6743826401)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Academic Fish App free?

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

### Is Thesius free?

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

### Do Academic Fish App or Thesius have ads?

Neither Academic Fish App nor Thesius shows ads.

### Which is updated more often, Academic Fish App or Thesius?

Academic Fish App ships an update every 7 months, and Thesius every 4 days. Most recently, Academic Fish App was updated on October 20, 2026 and Thesius on October 25, 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.*