# GridMath vs SumFun Kids

The clearest difference is update cadence: GridMath at daily against SumFun Kids's weekly. GridMath also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GridMath sells 3 one-off in-app purchases and SumFun Kids sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GridMath ships an update daily, SumFun Kids weekly. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | GridMath | SumFun Kids |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 34 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wojciech Szczurek](https://appshunter.io/developer/1454681479) | [VNIL AB](https://appshunter.io/developer/882599808) |

## What reviewers say

### GridMath

[App page](https://appshunter.io/ios/app/gridmath/id6754144816)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Tokens | $2.99 | one-time |
| 50 Tokens | $4.99 | one-time |
| 100 Tokens | $5.99 | one-time |


### 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 GridMath free?

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

### Is SumFun Kids free?

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

### Do GridMath or SumFun Kids have ads?

Neither GridMath nor SumFun Kids shows ads.

### Which is updated more often, GridMath or SumFun Kids?

GridMath ships an update daily, and SumFun Kids weekly. Most recently, GridMath was updated on September 21, 2026 and SumFun Kids on September 19, 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.*