# Mental Maths Drill vs Abacus Trainer

The clearest difference is in-app purchases: Abacus Trainer at none against Mental Maths Drill's 2. Abacus Trainer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). Mental Maths Drill's advantage is update cadence (weekly vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. Mental Maths Drill sells 2 in-app purchases, starting at $0.99 per month. Abacus Trainer asks for nothing beyond the download.

Mental Maths Drill ships an update weekly, Abacus Trainer every 2 weeks. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mental Maths Drill | Abacus Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 8 MB | 30 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Farid Ahmad](https://appshunter.io/developer/599405155) | [Doni Winata](https://appshunter.io/developer/6794313295) |

## What reviewers say

### Mental Maths Drill

[App page](https://appshunter.io/ios/app/mental-maths-drill/id6760826612)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| 6 Months | $4.99 | per 6 months |


### Abacus Trainer

[App page](https://appshunter.io/ios/app/abacus-trainer-mental-math/id6794313293)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mental Maths Drill free?

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

### Is Abacus Trainer free?

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

### Do Mental Maths Drill or Abacus Trainer have ads?

Both Mental Maths Drill and Abacus Trainer show ads.

### Which is updated more often, Mental Maths Drill or Abacus Trainer?

Mental Maths Drill ships an update weekly, and Abacus Trainer every 2 weeks. Most recently, Mental Maths Drill was updated on September 28, 2026 and Abacus Trainer on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*