# Abacus Mental Maths vs Abacus Kids

The clearest difference is in-app purchases: Abacus Mental Maths at none against Abacus Kids's 6. Abacus Mental Maths also leads on iOS requirement (12.0 vs 17.0). Abacus Kids's advantage is ads (none vs shown) and update cadence (every 10 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Abacus Kids sells 6 in-app purchases, starting at $0.99 per 7 days. Abacus Mental Maths asks for nothing beyond the download.

Abacus Mental Maths ships an update every 3 months, Abacus Kids every 10 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Abacus Mental Maths | Abacus Kids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/abacus-kids-mental-math/id6749298785/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 59 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blue Castle Studios](https://appshunter.io/developer/1465237858) | [Vedaavi Learning](https://appshunter.io/developer/1829903467) |

## 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 Kids

[App page](https://appshunter.io/ios/app/abacus-kids-mental-math/id6749298785)

This app teaches children mental math skills using the abacus method. It offers structured lessons and practice modes for various age groups, from basic bead manipulation to advanced mental calculation and times tables.

**Highlights:** Abacus method for mental math, Structured curriculum by age group, Practice modes: Step by Step, Final Answer, Formal Exam, Customizable Anzan training, Math game zone with multiple mini-games, Progress tracking and exam results

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription Discount | $12.00 | per year |
| Yearly Subscription | $17.99 | per year |
| Lifetime Access Discount | $29.99 | one-time |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Abacus Mental Maths free?

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

### Is Abacus Kids free?

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

### Do Abacus Mental Maths or Abacus Kids have ads?

Abacus Mental Maths shows ads; Abacus Kids does not.

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

Abacus Mental Maths ships an update every 3 months, and Abacus Kids every 10 days. Most recently, Abacus Mental Maths was updated on November 7, 2026 and Abacus Kids on November 5, 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.*