# Schulte Table vs Digital Chess Clock

The clearest difference is in-app purchases: Digital Chess Clock at none against Schulte Table's 1. Digital Chess Clock also leads on update cadence (every 2 days vs every 2 months). Schulte Table's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Schulte Table sells 1 one-off in-app purchase. Digital Chess Clock asks for nothing beyond the download.

Schulte Table ships an update every 2 months, Digital Chess Clock every 2 days. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Schulte Table | Digital Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [pilyeong heo](https://appshunter.io/developer/1835315150) | [Matthew Webb](https://appshunter.io/developer/1885517571) |

## What reviewers say

### Schulte Table

[App page](https://appshunter.io/ios/app/schulte-table-focus-test/id6764247661)

Train your concentration and visual scanning skills with a classic number grid game. Find numbers in order as quickly as possible to improve your focus and speed reading abilities. Offers various modes and grid sizes to challenge yourself.

**Highlights:** Number grid puzzles, Speed reading training, Focus and concentration exercises, Personal best tracking, Multiple grid sizes, Daily challenges, Multiple languages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schulte Table Pro | $3.99 | one-time |


### Digital Chess Clock

[App page](https://appshunter.io/ios/app/digital-chess-clock/id6785083306)

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

**In-app purchases:** none


## Frequently asked questions

### Is Schulte Table free?

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

### Is Digital Chess Clock free?

Digital Chess Clock is free to download, with no in-app purchases.

### Do Schulte Table or Digital Chess Clock have ads?

Neither Schulte Table nor Digital Chess Clock shows ads.

### Which is updated more often, Schulte Table or Digital Chess Clock?

Schulte Table ships an update every 2 months, and Digital Chess Clock every 2 days. Most recently, Schulte Table was updated on September 8, 2026 and Digital Chess Clock on September 9, 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.*