# Practice Fast Math vs SumFun Kids

The clearest difference is in-app purchases: Practice Fast Math at none against SumFun Kids's 1. SumFun Kids's advantage is update cadence (weekly vs every 10 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SumFun Kids sells 1 one-off in-app purchase. Practice Fast Math asks for nothing beyond the download.

Practice Fast Math ships an update every 10 months, SumFun Kids weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Practice Fast Math | SumFun Kids |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Size | 41 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Up One Story](https://appshunter.io/developer/443919203) | [VNIL AB](https://appshunter.io/developer/882599808) |

## What reviewers say

### Practice Fast Math

[App page](https://appshunter.io/ios/app/practice-fast-math/id6755569741)

**Features:** macOS Compatibility

**In-app purchases:** none


### SumFun Kids

[App page](https://appshunter.io/ios/app/sumfun-kids-math-practice/id6760265996)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Avatars | $1.99 | one-time |


## Frequently asked questions

### Is Practice Fast Math free?

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

### Is SumFun Kids free?

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

### Do Practice Fast Math or SumFun Kids have ads?

Neither Practice Fast Math nor SumFun Kids shows ads.

### Which is updated more often, Practice Fast Math or SumFun Kids?

Practice Fast Math ships an update every 10 months, and SumFun Kids weekly. Most recently, Practice Fast Math was updated on October 24, 2026 and SumFun Kids 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.*