# Abacus Kids vs Abacusync

The clearest difference is in-app purchases: Abacusync at none against Abacus Kids's 6. Abacusync also leads on iOS requirement (15.0 vs 17.0). Abacus Kids's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads 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. Abacusync asks for nothing beyond the download.

Abacus Kids ships an update every 10 days, Abacusync every 5 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Abacus Kids | Abacusync |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 505 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vedaavi Learning](https://appshunter.io/developer/1829903467) | [SR Edu Technologies Private Limited](https://appshunter.io/developer/1798405782) |

## What reviewers say

### 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 a structured curriculum with practice levels, exams, and games designed to improve calculation speed and confidence. The app supports various age groups with tailored learning modules.

**Highlights:** Abacus method for mental math, Structured curriculum by age group, Practice levels and formal exams, Speed math and Anzan training, Math game zone with puzzles, Customizable challenge modes

**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 |


### Abacusync

[App page](https://appshunter.io/ios/app/abacusync/id6758548985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus Kids free?

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

### Is Abacusync free?

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

### Do Abacus Kids or Abacusync have ads?

Neither Abacus Kids nor Abacusync shows ads.

### Which is updated more often, Abacus Kids or Abacusync?

Abacus Kids ships an update every 10 days, and Abacusync every 5 weeks. Most recently, Abacus Kids was updated on October 30, 2026 and Abacusync on October 25, 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.*