# Stack and Merge vs Block Flow

The clearest difference is iOS requirement: Stack and Merge at 11.0 against Block Flow's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Stack and Merge ships an update every 2 days, Block Flow every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Stack and Merge | Block Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/block-flow-a-puzzle-game/id6758810237/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | — | Ad-supported |
| Size | 70 MB | 15 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Berat Oguz](https://appshunter.io/developer/1124816969) | [WILLIAM SCOTT BRYDEN](https://appshunter.io/developer/1875110722) |

## What reviewers say

### Stack and Merge

[App page](https://appshunter.io/ios/app/stack-and-merge/id6444185144)

**Features:** macOS Compatibility

**In-app purchases:** none


### Block Flow

[App page](https://appshunter.io/ios/app/block-flow-a-puzzle-game/id6758810237)

This is a block puzzle game where you drag and drop pieces onto a 10x10 grid. Fill rows or columns to clear them and score points, using power-ups to overcome challenges. Compete on leaderboards and maintain daily streaks for rewards.

**Highlights:** Drag and drop block placement, Fill rows and columns to clear, Bonus points for multiple line clears, Power-ups for assistance, Daily streaks and rewards, Leaderboard rankings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stack and Merge free?

Stack and Merge is free to download, with no in-app purchases.

### Is Block Flow free?

Block Flow is free to download, with no in-app purchases.

### Do Stack and Merge or Block Flow have ads?

Both Stack and Merge and Block Flow show ads.

### Which is updated more often, Stack and Merge or Block Flow?

Stack and Merge ships an update every 2 days, and Block Flow every 3 days. Most recently, Stack and Merge was updated on November 3, 2026 and Block Flow on October 31, 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.*