Dot Line Lightning vs Clear 4
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dot Line Lightning
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.
- Classic, Reverse, and Panic modes
- Various patterns and matrices
- Combo System
- Continue, Time, and Hint items
- GameCenter Leaderboards and Achievements
- Haptic Feedback
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This is the sequel of the Dot Line. The Dot Line was downloaded over 3,000,000 and had been ranked TOP 2 in the United States. It is a extremely addictive short-term memory game! Can you remember well? If you want to check your memory, you have to play the Dot Line Lightning !!! ● FEATURES - Classic, Reverse, Panic Mode - Various patterns and matrices - Combo System - Continue, Time, and Hint items - GameCenter Leaderboards - GameCenter Achievements - Haptic Feedback ● REQUIREMENTS - iOS 11.0 or later ● SUPPORT E-MAIL : support@sharpapp.com
Clear 4
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.
- Chain reaction gameplay
- Strategic square clicking
- Rotating baffles
- Black holes
- Limited steps to clear levels
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"Clear4" is a new puzzle game which is simple and funny. You can play the game for free, and win the level through your wit in the game. Succinct pictures and play methods, using the chain reaction, experience the pleasant experience brought by the game. How to play: - Click on the square and add the number. - The square with the number 4 will disappear when clicked and bullets will be fired around it. - A square hit by each bullet adds one to the number. - There are rotating baffles to change the direction of the bullet; black holes to swallow the bullet; have coat to restrict the bullet's entry and fire. - Causing chain reaction in limited steps, eliminating all square. Email:zgamegz@hotmail.com
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Dot Line Lightning | Clear 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (32 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 22.2% of reviews | — |
| Number of ratings | 32 — better | 3 |
| Update frequency | Every 57 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 21 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | SharpApp | 文锋 郑 |
Customer experience
Dot Line Lightning
Clear 4
In-app purchases
Dot Line Lightning
- 30 Stars$0.99
- 100 Stars$2.99
- Unlock All Classic Level$2.99
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- Unlock All Reverse Level$2.99
- Unlock All Panic Level$2.99
- 180 Stars$4.99
- Unlock 3 Packs (Classic+Reverse+Panic)$4.99
- 400 Stars$9.99
Clear 4
No in-app purchases









