# Brain Trainer. Math. Counting vs Deyro

Brain Trainer. Math. Counting and Deyro both sit at 4.5 stars, but that hides the real split: 100% of Deyro's written reviews are positive against 83% of Brain Trainer. Math. Counting's. Deyro also leads on ratings volume (47 vs 8). Brain Trainer. Math. Counting's advantage is update cadence (every 11 days vs monthly) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Brain Trainer. Math. Counting sells 1 in-app purchase, starting at $0.99 per 7 days and Deyro sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Brain Trainer. Math. Counting against 4.6 for Deyro. That said, the two scores are not equally well evidenced: Deyro has 47 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 83% of Brain Trainer. Math. Counting's written reviews are positive against 100% of Deyro's.

Brain Trainer. Math. Counting ships an update every 11 days, Deyro monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Brain Trainer. Math. Counting | Deyro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/brain-trainer-math-counting/id6642690933/reviews) | **[4.6 (47 ratings)](https://appshunter.io/ios/app/deyro-ai-homework-helper/id6737484553/reviews)** |
| Number of ratings | 8 | **47** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 81 MB | 36 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Sirvard Manukyan](https://appshunter.io/developer/1614374993) | [SereneSpectrum Inc.](https://appshunter.io/developer/1710474846) |

## What reviewers say

### Brain Trainer. Math. Counting

[App page](https://appshunter.io/ios/app/brain-trainer-math-counting/id6642690933)

Enhance your mental math and logic skills with this engaging game. Solve equations presented in a visually appealing format, suitable for all ages from 4 years old to adults. Enjoy flexible difficulty and unlock new themes to make learning even more enjoyable.

**Highlights:** Mental calculation development, Logic game mechanics, Flexible difficulty settings, Themed content packs, Suitable for all ages

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EQ PRO | $0.99 | per 7 days |


### Deyro

[App page](https://appshunter.io/ios/app/deyro-ai-homework-helper/id6737484553)

This app uses AI to help with schoolwork by solving problems, explaining concepts, summarizing text, and improving writing. It also offers tools for coding, translation, brainstorming, and planning.

**Highlights:** Scan and solve homework questions, Explain complex concepts, Summarize text and videos, Draft essays and messages, Improve writing and grammar, Code assistance and optimization, Translate text and brainstorm ideas

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day free trial (Discount) | $5.99 | per 7 days |
| 3-day free trial | $6.99 | per 7 days |
| Yearly Access (Discount) | $39.99 | per year |
| Yearly access | $49.99 | per year |


## Frequently asked questions

### Is Brain Trainer. Math. Counting free?

Brain Trainer. Math. Counting is free to download, with in-app purchases available.

### Is Deyro free?

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

### Which has better reviews, Brain Trainer. Math. Counting or Deyro?

Deyro is rated higher. Brain Trainer. Math. Counting averages 4.5 out of 5 from 8 ratings, while Deyro averages 4.6 from 47 ratings.

### Do Brain Trainer. Math. Counting or Deyro have ads?

Neither Brain Trainer. Math. Counting nor Deyro shows ads.

### Which is updated more often, Brain Trainer. Math. Counting or Deyro?

Brain Trainer. Math. Counting ships an update every 11 days, and Deyro monthly. Most recently, Brain Trainer. Math. Counting was updated on October 24, 2026 and Deyro on October 24, 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.*