# FocusGrid vs Die Kartei

The clearest difference is price: Die Kartei at Free against FocusGrid's $0.99. Die Kartei also leads on in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 3 months). FocusGrid's advantage is iOS requirement (17.6 vs 26.2). On ads and device support there is nothing between them.

Die Kartei is free to download; FocusGrid costs $0.99 up front. FocusGrid sells 1 one-off in-app purchase. Die Kartei asks for nothing beyond the download.

FocusGrid ships an update every 3 months, Die Kartei every 5 weeks. The most recent releases landed on October 28, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | FocusGrid | Die Kartei |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 99 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [华芳 张](https://appshunter.io/developer/586041482) | [Kyle Essenmacher](https://appshunter.io/developer/1608051632) |

## What reviewers say

### FocusGrid

[App page](https://appshunter.io/ios/app/focusgrid-schulte-table/id6759941005)

This minimalist brain training game helps improve attention, speed, and concentration by tapping numbers in ascending order as quickly as possible. It features a daily goal system, streak tracking, and performance monitoring to help users see measurable improvement over time.

**Highlights:** Improve attention and concentration, Tap numbers in order quickly, Daily goal system, Track streaks and performance, Multiple grid sizes, Distraction-free design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FocusGrid Pro | $2.99 | one-time |


### Die Kartei

[App page](https://appshunter.io/ios/app/die-kartei/id6770390331)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FocusGrid free?

FocusGrid costs $0.99, and also offers in-app purchases.

### Is Die Kartei free?

Die Kartei is free to download, with no in-app purchases.

### Do FocusGrid or Die Kartei have ads?

Neither FocusGrid nor Die Kartei shows ads.

### Which is updated more often, FocusGrid or Die Kartei?

FocusGrid ships an update every 3 months, and Die Kartei every 5 weeks. Most recently, FocusGrid was updated on October 28, 2026 and Die Kartei on October 12, 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.*