Clear 4 vs Block Line Up
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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
Block Line Up
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Challenge your brain with Block Line Up, the addictive puzzle game that will keep you coming back for more! With a grid of 9 by 9 squares and a variety of block shapes to choose from, you'll need to think strategically to fill up lines either vertically or horizontally. The fast-paced gameplay and simple controls make it easy to get started, but hard to master. With endless levels and increasing difficulty, Block Line Up will keep you entertained for hours. Download now and become a Line-Up Legend!
Screenshots
Verdict
The clearest difference is ads: Block Line Up at none against Clear 4's shown. Clear 4's advantage is update cadence (fortnightly vs every 14 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.
Clear 4 ships an update fortnightly, Block Line Up every 14 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | Clear 4 | Block Line Up |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly — better | Every 14 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 74 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | 文锋 郑 | Yellow Duck Games Inc. |
In-app purchases
Clear 4
No in-app purchases
Block Line Up
No in-app purchases









