# Abacus Mental Maths vs Abacus Genius Perfect Practice

The clearest difference is price: Abacus Mental Maths at Free against Abacus Genius Perfect Practice's $3.99. Abacus Mental Maths also leads on in-app purchases (none vs 1). Abacus Genius Perfect Practice's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 months). On device support and iOS requirement there is nothing between them.

Abacus Mental Maths is free to download; Abacus Genius Perfect Practice costs $3.99 up front. Abacus Genius Perfect Practice sells 1 in-app purchase, starting at $3.99 per month. Abacus Mental Maths asks for nothing beyond the download.

Abacus Mental Maths ships an update every 3 months, Abacus Genius Perfect Practice every 4 days. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Abacus Mental Maths | Abacus Genius Perfect Practice |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 56 MB | 37 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Blue Castle Studios](https://appshunter.io/developer/1465237858) | [Diptimaya Patra](https://appshunter.io/developer/1726820679) |

## What reviewers say

### Abacus Mental Maths

[App page](https://appshunter.io/ios/app/abacus-mental-maths/id6451128513)

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

**In-app purchases:** none


### Abacus Genius Perfect Practice

[App page](https://appshunter.io/ios/app/abacus-genius-perfect-practice/id6477358095)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $3.99 | per month |


## Frequently asked questions

### Is Abacus Mental Maths free?

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

### Is Abacus Genius Perfect Practice free?

Abacus Genius Perfect Practice costs $3.99, and also offers in-app purchases.

### Do Abacus Mental Maths or Abacus Genius Perfect Practice have ads?

Abacus Mental Maths shows ads; Abacus Genius Perfect Practice does not.

### Which is updated more often, Abacus Mental Maths or Abacus Genius Perfect Practice?

Abacus Mental Maths ships an update every 3 months, and Abacus Genius Perfect Practice every 4 days. Most recently, Abacus Mental Maths was updated on September 7, 2026 and Abacus Genius Perfect Practice on September 18, 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.*