# Stack Em! Cosmic Blocks vs Gridlock

The clearest difference is ads: Stack Em! Cosmic Blocks at none against Gridlock's shown. Stack Em! Cosmic Blocks also leads on rating (5.0 vs 4.8) and monetization model (free vs ad-supported). On price, ratings volume, update cadence 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 Em! Cosmic Blocks holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Stack Em! Cosmic Blocks | Gridlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stack-em-cosmic-blocks/id6774973758/reviews)** | [4.8 (4 ratings)](https://appshunter.io/ios/app/gridlock-block-puzzle/id6808988501/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | **Free** | Ad-supported |
| Size | 31 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JMM Technologies](https://appshunter.io/developer/6774973760) | [Ryan Lubbers](https://appshunter.io/developer/6802070419) |

## What reviewers say

### Stack Em! Cosmic Blocks

[App page](https://appshunter.io/ios/app/stack-em-cosmic-blocks/id6774973758)

A relaxing block puzzle game designed for short play sessions. Drag and drop pieces to complete rows and columns, clear space, and aim for high scores. Enjoy satisfying visual and audio feedback with multiple themes.

**Highlights:** Ad-free gameplay, Fast offline play, No account required, Smooth drag-and-drop controls, Satisfying clears and combos, Multiple unlockable themes

**In-app purchases:** none


### Gridlock

[App page](https://appshunter.io/ios/app/gridlock-block-puzzle/id6808988501)

This block puzzle game ensures every move is playable, preventing unfair losses. Strategically place pieces to clear rows and columns, build combos, and achieve high scores in both endless and daily challenge modes. It offers a thoughtful, reflex-free puzzle experience.

**Highlights:** Guaranteed playable moves, Fill rows/columns to clear, Combo multiplier, Endless mode, Daily Challenge mode, Undo last moves, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Em! Cosmic Blocks free?

Stack Em! Cosmic Blocks is free to download, with no in-app purchases.

### Is Gridlock free?

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

### Which has better reviews, Stack Em! Cosmic Blocks or Gridlock?

Stack Em! Cosmic Blocks is rated higher. Stack Em! Cosmic Blocks averages 5.0 out of 5 from 2 ratings, while Gridlock averages 4.8 from 4 ratings.

### Do Stack Em! Cosmic Blocks or Gridlock have ads?

Gridlock shows ads; Stack Em! Cosmic Blocks does not.

### Which is updated more often, Stack Em! Cosmic Blocks or Gridlock?

Stack Em! Cosmic Blocks ships an update every 3 days, and Gridlock every 3 days. Most recently, Stack Em! Cosmic Blocks was updated on October 31, 2026 and Gridlock 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.*