# Upblock vs Shackling Shapes

The clearest difference is in-app purchases: Shackling Shapes at none against Upblock's 1. Shackling Shapes also leads on rating (5.0 vs 4.7). Upblock's advantage is update cadence (every 2 months vs every 5 months) and ratings volume (10 vs 1). On price, review sentiment, ads and device support there is nothing between them.

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

Shackling Shapes 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 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Upblock ships an update every 2 months, Shackling Shapes every 5 months. The most recent releases landed on September 26, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Upblock | Shackling Shapes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (10 ratings)](https://appshunter.io/ios/app/upblock-stack-the-blocks/id1590843768/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shackling-shapes/id1669047699/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 107 MB | 164 MB |
| Requires iOS | 12.0 | 12.0 |
| 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 |


### Shackling Shapes

[App page](https://appshunter.io/ios/app/shackling-shapes/id1669047699)

An action-arcade game set in a volcano world. Players must move to avoid enemies, find a key, and escape chaotic rooms while being chased. It tests dodging and strategic abilities in a fast-paced environment.

**Highlights:** Volcano-themed world, Fast-paced arcade gameplay, Finger-based player movement, Enemy avoidance challenges, Key finding and room escape objectives, Strategic dodging

**In-app purchases:** none


## Frequently asked questions

### Is Upblock free?

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

### Is Shackling Shapes free?

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

### Which has better reviews, Upblock or Shackling Shapes?

Shackling Shapes is rated higher. Upblock averages 4.7 out of 5 from 10 ratings, while Shackling Shapes averages 5.0 from 1 ratings.

### Do Upblock or Shackling Shapes have ads?

Both Upblock and Shackling Shapes show ads.

### Which is updated more often, Upblock or Shackling Shapes?

Upblock ships an update every 2 months, and Shackling Shapes every 5 months. Most recently, Upblock was updated on September 26, 2026 and Shackling Shapes on June 3, 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.*