# Double Touch vs Clear 4

The clearest difference is in-app purchases: Clear 4 at none against Double Touch's 1. Clear 4 also leads on update cadence (fortnightly vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Double Touch sells 1 one-off in-app purchase. Clear 4 asks for nothing beyond the download.

Double Touch ships an update every 15 months, Clear 4 fortnightly. The most recent releases landed on October 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Double Touch | Clear 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/clear-4/id1546584385/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 14 MB | 74 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tristan Nottelman](https://appshunter.io/developer/1187705519) | [文锋 郑](https://appshunter.io/developer/1590995911) |

## What reviewers say

### Double Touch

[App page](https://appshunter.io/ios/app/double-touch/id1418675198)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### Clear 4

[App page](https://appshunter.io/ios/app/clear-4/id1546584385)

A free puzzle game where players strategically click squares to trigger chain reactions and clear the board. It features simple mechanics with elements like rotating baffles and black holes to add complexity.

**Highlights:** Chain reaction gameplay, Strategic square clicking, Rotating baffles, Black holes, Limited steps to clear levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Double Touch free?

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

### Is Clear 4 free?

Clear 4 is free to download, with no in-app purchases.

### Do Double Touch or Clear 4 have ads?

Both Double Touch and Clear 4 show ads.

### Which is updated more often, Double Touch or Clear 4?

Double Touch ships an update every 15 months, and Clear 4 fortnightly. Most recently, Double Touch was updated on October 4, 2026 and Clear 4 on September 26, 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.*