# Chess.clock vs Double Tap 10+

The clearest difference is in-app purchases: Chess.clock at none against Double Tap 10+'s 1. Double Tap 10+'s advantage is update cadence (daily vs every 3 months) and iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Double Tap 10+ sells 1 one-off in-app purchase. Chess.clock asks for nothing beyond the download.

Chess.clock ships an update every 3 months, Double Tap 10+ daily. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Chess.clock | Double Tap 10+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 2 MB | 1 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Paul Hering](https://appshunter.io/developer/1788259541) | [Takayuki Hamuro](https://appshunter.io/developer/1875707249) |

## What reviewers say

### Chess.clock

[App page](https://appshunter.io/ios/app/chessclock/id6740070517)

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

**In-app purchases:** none


### Double Tap 10+

[App page](https://appshunter.io/ios/app/double-tap-10-plus/id6761082183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Double Tap 10+ Pro | $1.99 | one-time |


## Frequently asked questions

### Is Chess.clock free?

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

### Is Double Tap 10+ free?

Double Tap 10+ is free to download, with in-app purchases available.

### Do Chess.clock or Double Tap 10+ have ads?

Neither Chess.clock nor Double Tap 10+ shows ads.

### Which is updated more often, Chess.clock or Double Tap 10+?

Chess.clock ships an update every 3 months, and Double Tap 10+ daily. Most recently, Chess.clock was updated on October 28, 2026 and Double Tap 10+ on October 25, 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.*