# Mental Math vs Edusphere Teacher

The clearest difference is in-app purchases: Edusphere Teacher at none against Mental Math's 10. Edusphere Teacher also leads on iOS requirement (14.0 vs 17.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mental Math sells 10 in-app purchases, starting at $4.99 per 7 days. Edusphere Teacher asks for nothing beyond the download.

Mental Math ships an update every 3 weeks, Edusphere Teacher every 5 weeks. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Mental Math | Edusphere Teacher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/mental-math-mathee/id6502719157/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 61 MB |
| Requires iOS | 17.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Andrey Lebedev](https://appshunter.io/developer/636486462) | [Alla Al-jmehawi](https://appshunter.io/developer/1762597458) |

## What reviewers say

### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-mathee/id6502719157)

Enhance your arithmetic abilities with daily math challenges. This app offers over 30 difficulty levels, personalized exercises, and progress tracking to help users of all ages improve their calculation speed and accuracy.

**Highlights:** 30+ difficulty levels, Personalized exercises, Progress tracking, Quick sessions, User-friendly design, Engaging and interactive

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plus | $4.99 | per 7 days |
| Premium Plus | $4.99 | per 7 days |
| Premium Plus | $5.99 | per month |
| Premium Plus | $11.99 | per 3 months |
| Premium Plus | $14.99 | per year |
| Premium Plus | $17.49 | per year |
| Premium Plus | $24.99 | per year |
| Premium Plus | $24.99 | per year |
| Premium Plus | $39.99 | per year |
| Premium Plus | $39.99 | one-time |


### Edusphere Teacher

[App page](https://appshunter.io/ios/app/edusphere-teacher/id6633431849)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mental Math free?

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

### Is Edusphere Teacher free?

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

### Do Mental Math or Edusphere Teacher have ads?

Neither Mental Math nor Edusphere Teacher shows ads.

### Which is updated more often, Mental Math or Edusphere Teacher?

Mental Math ships an update every 3 weeks, and Edusphere Teacher every 5 weeks. Most recently, Mental Math was updated on September 22, 2026 and Edusphere Teacher on October 6, 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.*