# Upblock vs Chaotic Penguin

The clearest difference is in-app purchases: Chaotic Penguin at none against Upblock's 1. Chaotic Penguin also leads on rating (5.0 vs 4.7). Upblock's advantage is update cadence (every 2 months vs every 4 months) and ratings volume (10 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Upblock sells 1 one-off in-app purchase. Chaotic Penguin asks for nothing beyond the download.

Chaotic Penguin holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Upblock has 10 ratings behind it against 2, so its average is the more settled of the two.

Upblock ships an update every 2 months, Chaotic Penguin every 4 months. The most recent releases landed on June 4, 2026 and June 8, 2026 respectively.

## The numbers

| Metric | Upblock | Chaotic Penguin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (10 ratings)](https://appshunter.io/ios/app/upblock-stack-the-blocks/id1590843768/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chaotic-penguin/id1633660817/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 107 MB | 129 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maka Mobile](https://appshunter.io/developer/1583009679) | [Adknown](https://appshunter.io/developer/1243054661) |

## What reviewers say

### Upblock

[App page](https://appshunter.io/ios/app/upblock-stack-the-blocks/id1590843768)

This is a tower-building game where players stack blocks to create the tallest tower possible. It's easy to learn but challenging to master, offering a fun experience for casual gamers looking for a time-killer or offline play.

**Highlights:** Intuitive tap-based stacking gameplay, Build the tallest tower possible, Challenging precision-based mechanics, Designed for all ages, Free to install and play, Offline gameplay support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Chaotic Penguin

[App page](https://appshunter.io/ios/app/chaotic-penguin/id1633660817)

Guide a penguin on an icy slide, collecting snowballs and dodging hazards. Use your skills to navigate the treacherous iceberg and keep the penguin alive.

**Highlights:** Joystick controls, Collect snowballs, Dodge fireballs, Use shield for protection, Conquer the iceberg

**In-app purchases:** none


## Frequently asked questions

### Is Upblock free?

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

### Is Chaotic Penguin free?

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

### Which has better reviews, Upblock or Chaotic Penguin?

Chaotic Penguin is rated higher. Upblock averages 4.7 out of 5 from 10 ratings, while Chaotic Penguin averages 5.0 from 2 ratings.

### Do Upblock or Chaotic Penguin have ads?

Both Upblock and Chaotic Penguin show ads.

### Which is updated more often, Upblock or Chaotic Penguin?

Upblock ships an update every 2 months, and Chaotic Penguin every 4 months. Most recently, Upblock was updated on June 4, 2026 and Chaotic Penguin on June 8, 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.*