# Dot Line Lightning vs Clear 4

The clearest difference is in-app purchases: Clear 4 at none against Dot Line Lightning's 8. Clear 4 also leads on update cadence (fortnightly vs every 57 months). Dot Line Lightning's advantage is rating (4.1 vs 3.7) and ratings volume (32 vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dot Line Lightning sells 8 one-off in-app purchases. Clear 4 asks for nothing beyond the download.

Dot Line Lightning holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: Dot Line Lightning has 32 ratings behind it against 3, so its average is the more settled of the two.

Dot Line Lightning ships an update every 57 months, Clear 4 fortnightly. The most recent releases landed on September 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Dot Line Lightning | Clear 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (32 ratings)](https://appshunter.io/ios/app/dot-line-lightning/id570641878/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/clear-4/id1546584385/reviews) |
| Number of ratings | **32** | 3 |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 57 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 21 MB | 74 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SharpApp](https://appshunter.io/developer/377755013) | [文锋 郑](https://appshunter.io/developer/1590995911) |

## What reviewers say

### Dot Line Lightning

[App page](https://appshunter.io/ios/app/dot-line-lightning/id570641878)

Test your short-term memory with this addictive sequel to a popular game. Challenge yourself with different modes, patterns, and a combo system to improve your recall abilities. Compete with others via leaderboards.

**Highlights:** Classic, Reverse, and Panic modes, Various patterns and matrices, Combo System, Continue, Time, and Hint items, GameCenter Leaderboards and Achievements, Haptic Feedback

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 Stars | $0.99 | one-time |
| 100 Stars | $2.99 | one-time |
| Unlock All Classic Level | $2.99 | one-time |
| Unlock All Reverse Level | $2.99 | one-time |
| Unlock All Panic Level | $2.99 | one-time |
| 180 Stars | $4.99 | one-time |
| Unlock 3 Packs (Classic+Reverse+Panic) | $4.99 | one-time |
| 400 Stars | $9.99 | 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 Dot Line Lightning free?

Dot Line Lightning is free to download, with in-app purchases available.

### Is Clear 4 free?

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

### Which has better reviews, Dot Line Lightning or Clear 4?

Dot Line Lightning is rated higher. Dot Line Lightning averages 4.1 out of 5 from 32 ratings, while Clear 4 averages 3.7 from 3 ratings.

### Do Dot Line Lightning or Clear 4 have ads?

Both Dot Line Lightning and Clear 4 show ads.

### Which is updated more often, Dot Line Lightning or Clear 4?

Dot Line Lightning ships an update every 57 months, and Clear 4 fortnightly. Most recently, Dot Line Lightning was updated on September 27, 2026 and Clear 4 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.*