# abacus shapes vs Prime Math

The clearest difference is in-app purchases: abacus shapes at none against Prime Math's 3. abacus shapes also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (12.0 vs 18.0). Prime Math's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Prime Math sells 3 in-app purchases, starting at $2.99 per 7 days. abacus shapes asks for nothing beyond the download.

abacus shapes ships an update every 6 weeks, Prime Math every 3 months. The most recent releases landed on September 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | abacus shapes | Prime Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 90 MB | 7 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [taijun sawano](https://appshunter.io/developer/1370412660) | [Oluwatobi Omotayo](https://appshunter.io/developer/1606453205) |

## What reviewers say

### abacus shapes

[App page](https://appshunter.io/ios/app/abacus-shapes/id1370412661)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prime Math

[App page](https://appshunter.io/ios/app/prime-math-ai-math-solver/id6746931470)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $7.99 | per month |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is abacus shapes free?

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

### Is Prime Math free?

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

### Do abacus shapes or Prime Math have ads?

abacus shapes shows ads; Prime Math does not.

### Which is updated more often, abacus shapes or Prime Math?

abacus shapes ships an update every 6 weeks, and Prime Math every 3 months. Most recently, abacus shapes was updated on September 22, 2026 and Prime Math 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.*