# Outsider vs Block Stack

The clearest difference is rating: Block Stack at 4.7 against Outsider's 4.0. Block Stack also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Outsider sells 1 one-off in-app purchase. Block Stack asks for nothing beyond the download.

Block Stack holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Block Stack has 98 ratings behind it against 4, so its average is the more settled of the two.

Outsider ships an update monthly, Block Stack every 2 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Outsider | Block Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/outsider-colour-puzzle/id957171519/reviews) | **[4.7 (98 ratings)](https://appshunter.io/ios/app/block-stack-blast-puzzle/id6751658526/reviews)** |
| Number of ratings | 4 | **98** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 153 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Andrew Martinuzzo](https://appshunter.io/developer/891265510) | [Vinay Kumar](https://appshunter.io/developer/1779230438) |

## What reviewers say

### Outsider

[App page](https://appshunter.io/ios/app/outsider-colour-puzzle/id957171519)

A fast-paced color identification game that challenges your perception. Quickly find the unique colored circle among millions of options before time runs out. Compete with friends and test your visual acuity.

**Highlights:** Identify the odd colored circle, Limited time challenges, Over 16 million colors, Score comparison, Challenge friends

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Screen Mode (No Ads) | $0.99 | one-time |


### Block Stack

[App page](https://appshunter.io/ios/app/block-stack-blast-puzzle/id6751658526)

A classic block-matching puzzle game where you drag and stack blocks to clear lines and achieve high scores. Enjoy endless gameplay with daily challenges and smooth controls, perfect for quick breaks or extended sessions. Play offline anytime, anywhere.

**Highlights:** Drag and place blocks, Clear full rows or columns, Build streaks and combos, Endless high-score gameplay, Daily challenges, Offline play

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

**In-app purchases:** none


## Frequently asked questions

### Is Outsider free?

Outsider 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, Outsider or Block Stack?

Block Stack is rated higher. Outsider averages 4.0 out of 5 from 4 ratings, while Block Stack averages 4.7 from 98 ratings.

### Do Outsider or Block Stack have ads?

Both Outsider and Block Stack show ads.

### Which is updated more often, Outsider or Block Stack?

Outsider ships an update monthly, and Block Stack every 2 days. Most recently, Outsider was updated on November 1, 2026 and Block Stack on November 5, 2026.

---

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