# PermaTest vs Reddu

The clearest difference is price: Reddu at Free against PermaTest's $399.99. PermaTest's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

Reddu is free to download; PermaTest costs $399.99 up front. Reddu sells 3 in-app purchases, starting at $39.99 per month. PermaTest asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PermaTest | Reddu |
| --- | --- | --- |
| Price | $399.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reddu/id6473049247/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 59 MB |
| Requires iOS | 15.1 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Academia Corpe](https://appshunter.io/developer/1467789569) | [Nubo Learning](https://appshunter.io/developer/1876891375) |

## What reviewers say

### PermaTest

[App page](https://appshunter.io/ios/app/permatest-ejercito/id1635193748)

**Features:** macOS Compatibility

**In-app purchases:** none


### Reddu

[App page](https://appshunter.io/ios/app/reddu/id6473049247)

This app uses science-based games and AI to improve reading, writing, and memory skills for individuals with dyslexia. It offers personalized exercises to strengthen phonological awareness, reading speed, and sustained attention, aiming to boost academic performance for users aged 12 and up.

**Highlights:** Science-based games for literacy and memory, AI-driven personalized content adaptation, Improves phonological awareness, Enhances reading speed and comprehension, Boosts working memory and sustained attention, Gamified learning approach

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mensual | $39.99 | per month |
| Trimestral | $79.99 | per 3 months |
| Anual | $199.99 | per year |


## Frequently asked questions

### Is PermaTest free?

PermaTest costs $399.99, with no in-app purchases.

### Is Reddu free?

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

### Do PermaTest or Reddu have ads?

Neither PermaTest nor Reddu shows ads.

### Which is updated more often, PermaTest or Reddu?

PermaTest ships an update every 2 months, and Reddu every 2 months. Most recently, PermaTest was updated on October 25, 2026 and Reddu on October 1, 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.*