# Indigo Math Abacus for kids vs Abacus Mental Maths

The clearest difference is in-app purchases: Abacus Mental Maths at none against Indigo Math Abacus for kids's 3. Abacus Mental Maths also leads on iOS requirement (12.0 vs 16.0). Indigo Math Abacus for kids's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Indigo Math Abacus for kids sells 3 in-app purchases, starting at $5.99 per month. Abacus Mental Maths asks for nothing beyond the download.

Indigo Math Abacus for kids ships an update every 3 weeks, Abacus Mental Maths every 3 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Indigo Math Abacus for kids | Abacus Mental Maths |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/indigo-math-abacus-for-kids/id6450366535/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 56 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INDYGO MENTAL, TOV](https://appshunter.io/developer/1692935899) | [Blue Castle Studios](https://appshunter.io/developer/1465237858) |

## What reviewers say

### Indigo Math Abacus for kids

[App page](https://appshunter.io/ios/app/indigo-math-abacus-for-kids/id6450366535)

This app offers interactive mental math and brain training for children. It uses gamified tasks and an abacus visualization to improve calculation speed, focus, and logical thinking. Designed to enhance mathematical intuition and academic performance.

**Highlights:** Mental calculations practice, Abacus (Soroban) visualization, Gamified learning tasks, Adjustable complexity levels, User-friendly interface, Improves focus and concentration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $5.99 | per month |
| 3 months | $80.99 | per 3 months |
| year | $304.99 | per year |


### Abacus Mental Maths

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Indigo Math Abacus for kids free?

Indigo Math Abacus for kids is free to download, with in-app purchases available.

### Is Abacus Mental Maths free?

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

### Do Indigo Math Abacus for kids or Abacus Mental Maths have ads?

Both Indigo Math Abacus for kids and Abacus Mental Maths show ads.

### Which is updated more often, Indigo Math Abacus for kids or Abacus Mental Maths?

Indigo Math Abacus for kids ships an update every 3 weeks, and Abacus Mental Maths every 3 months. Most recently, Indigo Math Abacus for kids was updated on October 24, 2026 and Abacus Mental Maths on October 8, 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.*