# Abacus vs Chaste Intellect School

The clearest difference is in-app purchases: Chaste Intellect School at none against Abacus's 3. Abacus's advantage is update cadence (every 4 days vs every 9 months) and iOS requirement (13.4 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Abacus sells 3 in-app purchases, starting at $1.99 per 7 days. Chaste Intellect School asks for nothing beyond the download.

Abacus ships an update every 4 days, Chaste Intellect School every 9 months. The most recent releases landed on October 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Abacus | Chaste Intellect School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 months |
| Size | 33 MB | 145 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sahan Cava](https://appshunter.io/developer/1723739236) | [NLET INITIATIVES LLP](https://appshunter.io/developer/1570619872) |

## What reviewers say

### Abacus

[App page](https://appshunter.io/ios/app/abacus-math-for-kids/id6478469882)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $29.99 | per year |


### Chaste Intellect School

[App page](https://appshunter.io/ios/app/chaste-intellect-school/id6745259220)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus free?

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

### Is Chaste Intellect School free?

Chaste Intellect School is free to download, with no in-app purchases.

### Do Abacus or Chaste Intellect School have ads?

Neither Abacus nor Chaste Intellect School shows ads.

### Which is updated more often, Abacus or Chaste Intellect School?

Abacus ships an update every 4 days, and Chaste Intellect School every 9 months. Most recently, Abacus was updated on October 4, 2026 and Chaste Intellect School on October 28, 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.*