# Zen Blocks vs Block Stack

The clearest difference is rating: Block Stack at 5.0 against Zen Blocks's 4.0. Block Stack also leads on in-app purchases (none vs 4) and ads (none vs shown). Zen Blocks's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price and update cadence there is nothing between them.

Both are free to download. Zen Blocks sells 4 in-app purchases, starting at $0.99 per month. Block Stack asks for nothing beyond the download.

Block Stack holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Zen Blocks ships an update weekly, Block Stack every 10 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Zen Blocks | Block Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/zen-blocks-calm-block-puzzle/id6755252485/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/block-stack-tower-physics/id6759821751/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 67 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ERAN TOKER](https://appshunter.io/developer/1836472274) | [CyberGame Limited](https://appshunter.io/developer/1778824442) |

## What reviewers say

### Zen Blocks

[App page](https://appshunter.io/ios/app/zen-blocks-calm-block-puzzle/id6755252485)

A relaxing drag-and-drop puzzle game where you strategically place colorful pieces on a grid to clear lines and score points. Enjoy endless, pressure-free gameplay that sharpens your spatial reasoning skills.

**Highlights:** Drag-and-drop puzzle mechanics, Clear horizontal and vertical lines, No timers or falling pieces, Endless gameplay, Brain training and spatial reasoning, Offline play

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Annual Pro | $2.99 | per year |
| 15 Lives | $0.99 | one-time |
| 40 Bombs | $1.99 | one-time |


### Block Stack

[App page](https://appshunter.io/ios/app/block-stack-tower-physics/id6759821751)

A physics-based stacking game where you build towers as high as possible without letting them fall. Experience realistic gravity and tension as an adaptive algorithm challenges your skill level with increasingly complex block shapes.

**Highlights:** Realistic physics simulation, Adaptive difficulty algorithm, Variety of block shapes, One-handed portrait play, Haptic feedback, Auto-save functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zen Blocks free?

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

### Is Block Stack free?

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

### Which has better reviews, Zen Blocks or Block Stack?

Block Stack is rated higher. Zen Blocks averages 4.0 out of 5 from 1 ratings, while Block Stack averages 5.0 from 3 ratings.

### Do Zen Blocks or Block Stack have ads?

Zen Blocks shows ads; Block Stack does not.

### Which is updated more often, Zen Blocks or Block Stack?

Zen Blocks ships an update weekly, and Block Stack every 10 days. Most recently, Zen Blocks was updated on October 1, 2026 and Block Stack on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*