# Primary Math vs Kids Math

The clearest difference is update cadence: Primary Math at every 32 months against Kids Math's every 71 months. Primary Math also leads on iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Primary Math ships an update every 32 months, Kids Math every 71 months. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Primary Math | Kids Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 32 months** | Every 71 months |
| Size | 27 MB | 23 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harikrishna Patel](https://appshunter.io/developer/957301335) | [Bao Tran](https://appshunter.io/developer/1541146400) |

## What reviewers say

### Primary Math

[App page](https://appshunter.io/ios/app/primary-math/id1149238798)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kids Math

[App page](https://appshunter.io/ios/app/kids-math-naughty-pig/id1541583837)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Primary Math free?

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

### Is Kids Math free?

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

### Do Primary Math or Kids Math have ads?

Neither Primary Math nor Kids Math shows ads.

### Which is updated more often, Primary Math or Kids Math?

Primary Math ships an update every 32 months, and Kids Math every 71 months. Most recently, Primary Math was updated on October 26, 2026 and Kids Math on November 4, 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.*