# GridMath vs Just Math

The clearest difference is in-app purchases: Just Math at none against GridMath's 3. GridMath's advantage is iOS requirement (13.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GridMath sells 3 one-off in-app purchases. Just Math asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GridMath | Just Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/just-math-math-card-game/id6756003970/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | — | Free |
| Size | 34 MB | 9 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wojciech Szczurek](https://appshunter.io/developer/1454681479) | [Tim Chen](https://appshunter.io/developer/893032386) |

## 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 |


### Just Math

[App page](https://appshunter.io/ios/app/just-math-math-card-game/id6756003970)

This app makes learning math facts fun for kids through interactive card games. It offers practice in addition, subtraction, multiplication, and division with customizable difficulty and various problem formats. It's designed to build confidence and improve mental math skills.

**Highlights:** Customizable number ranges, Multiple choice answers, Column and linear problem formats, Open sentence problems, All four basic operations, Kid-friendly interface, Printable worksheets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GridMath free?

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

### Is Just Math free?

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

### Do GridMath or Just Math have ads?

Neither GridMath nor Just Math shows ads.

### Which is updated more often, GridMath or Just Math?

GridMath ships an update daily, and Just Math daily. Most recently, GridMath was updated on October 28, 2026 and Just Math on October 30, 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.*