# Square Siege vs Shape Theory

The clearest difference is in-app purchases: Square Siege at none against Shape Theory's 3. Square Siege also leads on ads (none vs shown) and iOS requirement (15.6 vs 18.6). Shape Theory's advantage is update cadence (every 3 weeks vs every 49 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Shape Theory sells 3 in-app purchases, starting at $0.99 per month. Square Siege asks for nothing beyond the download.

Square Siege ships an update every 49 months, Shape Theory every 3 weeks. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Square Siege | Shape Theory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/square-siege/id888957607/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 49 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 13 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Diego Cathalifaud](https://appshunter.io/developer/570089925) | [Bulltech](https://appshunter.io/developer/1586482702) |

## What reviewers say

### Square Siege

[App page](https://appshunter.io/ios/app/square-siege/id888957607)

A fast-paced arcade game where players must strategically crush falling squares to prevent them from filling the screen. The primary objective is to achieve the highest score possible by surviving the onslaught and clearing the play area.

**Highlights:** Crush falling squares, Prevent screen fill, High score focus, Fast-paced gameplay, Strategic survival

**Features:** macOS Compatibility

**In-app purchases:** none


### Shape Theory

[App page](https://appshunter.io/ios/app/shape-theory-brain-puzzles/id6449924079)

Uncover hidden geometric shapes by strategically revealing parts of a concealed form. Deduce the correct shape from a list of suspects to advance through increasingly challenging levels. Compete globally for the top leaderboard spot.

**Highlights:** Shape discovery through limited reveals, Strategic deduction of hidden forms, Progressive difficulty levels, Minimalist, captivating graphics, Global leaderboard competition, Brain teaser and strategy gameplay

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads For 1 Month | $0.99 | per month |
| No Ads For 1 Year | $4.99 | per year |
| No Ads Forever | $8.99 | one-time |


## Frequently asked questions

### Is Square Siege free?

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

### Is Shape Theory free?

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

### Do Square Siege or Shape Theory have ads?

Shape Theory shows ads; Square Siege does not.

### Which is updated more often, Square Siege or Shape Theory?

Square Siege ships an update every 49 months, and Shape Theory every 3 weeks. Most recently, Square Siege was updated on October 9, 2026 and Shape Theory on October 12, 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.*