# Blocks Stack Puzzle vs Fill Line Block

The clearest difference is rating: Fill Line Block at 5.0 against Blocks Stack Puzzle's 4.3. Fill Line Block also leads on update cadence (every 2 days vs every 10 days). Blocks Stack Puzzle's advantage is ads (none vs shown) and ratings volume (29 vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Blocks Stack Puzzle sells 2 one-off in-app purchases and Fill Line Block sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fill Line Block holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Blocks Stack Puzzle has 29 ratings behind it against 1, so its average is the more settled of the two.

Blocks Stack Puzzle ships an update every 10 days, Fill Line Block every 2 days. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Blocks Stack Puzzle | Fill Line Block |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (29 ratings)](https://appshunter.io/ios/app/blocks-stack-puzzle/id1575681456/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fill-line-block/id6755623527/reviews)** |
| Number of ratings | **29** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 62 MB | 109 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Vnstart LLC](https://appshunter.io/developer/1467854570) | [Beijing Liuwei Technology Co.,Ltd](https://appshunter.io/developer/1855043656) |

## What reviewers say

### Blocks Stack Puzzle

[App page](https://appshunter.io/ios/app/blocks-stack-puzzle/id1575681456)

A brain puzzle game where you fill empty cells by stacking colorful blocks in the correct orientation. It offers over 1000 levels, starting easy and progressively increasing in difficulty. Enjoy a minimalist 3D art design while challenging your mind.

**Highlights:** Fill empty cells with colorful blocks, Stack blocks in correct orientation, Over 1000 challenging levels, Minimalist 3D art design, Easy to play touch controls

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Unlock All | $0.99 | one-time |


### Fill Line Block

[App page](https://appshunter.io/ios/app/fill-line-block/id6755623527)

Navigate a maze by drawing non-intersecting paths from colored grids to explore all spaces. Solve increasingly complex puzzles by strategically filling the maze.

**Highlights:** Maze exploration, Path drawing, Non-intersecting paths, Grid filling puzzles, Color-coded grids

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |


## Frequently asked questions

### Is Blocks Stack Puzzle free?

Blocks Stack Puzzle is free to download, with in-app purchases available.

### Is Fill Line Block free?

Fill Line Block is free to download, with in-app purchases available.

### Which has better reviews, Blocks Stack Puzzle or Fill Line Block?

Fill Line Block is rated higher. Blocks Stack Puzzle averages 4.3 out of 5 from 29 ratings, while Fill Line Block averages 5.0 from 1 ratings.

### Do Blocks Stack Puzzle or Fill Line Block have ads?

Fill Line Block shows ads; Blocks Stack Puzzle does not.

### Which is updated more often, Blocks Stack Puzzle or Fill Line Block?

Blocks Stack Puzzle ships an update every 10 days, and Fill Line Block every 2 days. Most recently, Blocks Stack Puzzle was updated on November 11, 2026 and Fill Line Block on November 5, 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.*