# Dyslexia Reading Test vs Equation X

The clearest difference is update cadence: Equation X at every 3 weeks against Dyslexia Reading Test's every 4 months. Equation X also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dyslexia Reading Test ships an update every 4 months, Equation X every 3 weeks. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Dyslexia Reading Test | Equation X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (30 ratings)](https://appshunter.io/ios/app/dyslexia-reading-test/id821910943/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 71.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 53 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Online Reading Tutor Services Inc.](https://appshunter.io/developer/1490512495) | [KheniTech](https://appshunter.io/developer/1580419338) |

## What reviewers say

### Dyslexia Reading Test

[App page](https://appshunter.io/ios/app/dyslexia-reading-test/id821910943)

This app offers a quick screener to assess sound and letter-pattern skills crucial for reading accuracy. It guides users through auditory and pattern-matching activities, providing a summary of their reading skills. It's designed for parents guiding children or for adults to self-screen.

**Highlights:** Sound and letter-pattern skill assessment, Guided activities for children and adults, Reading accuracy summary, Focus on decoding skills, Data collection notice and privacy options

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

**In-app purchases:** none


### Equation X

[App page](https://appshunter.io/ios/app/equation-x-math-brain-games/id6789123866)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dyslexia Reading Test free?

Dyslexia Reading Test is free to download, with no in-app purchases.

### Is Equation X free?

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

### Do Dyslexia Reading Test or Equation X have ads?

Neither Dyslexia Reading Test nor Equation X shows ads.

### Which is updated more often, Dyslexia Reading Test or Equation X?

Dyslexia Reading Test ships an update every 4 months, and Equation X every 3 weeks. Most recently, Dyslexia Reading Test was updated on November 6, 2026 and Equation X on November 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.*