# Pure Math Drills vs Abacus

The clearest difference is update cadence: Abacus at every 3 weeks against Pure Math Drills's every 5 months. Abacus also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pure Math Drills ships an update every 5 months, Abacus every 3 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Pure Math Drills | Abacus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 2 MB | 12 MB |
| Requires iOS | 18.4 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Scriven](https://appshunter.io/developer/1818261951) | [Phuc Huynh](https://appshunter.io/developer/6779869359) |

## What reviewers say

### Pure Math Drills

[App page](https://appshunter.io/ios/app/pure-math-drills/id6755940671)

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

**In-app purchases:** none


### Abacus

[App page](https://appshunter.io/ios/app/abacus-bead-math/id6780208319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pure Math Drills free?

Pure Math Drills is free to download, with no in-app purchases.

### Is Abacus free?

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

### Do Pure Math Drills or Abacus have ads?

Neither Pure Math Drills nor Abacus shows ads.

### Which is updated more often, Pure Math Drills or Abacus?

Pure Math Drills ships an update every 5 months, and Abacus every 3 weeks. Most recently, Pure Math Drills was updated on September 23, 2026 and Abacus on September 22, 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.*