# Silhouette Blocks vs Shape Theory

The clearest difference is in-app purchases: Silhouette Blocks at none against Shape Theory's 3. Silhouette Blocks also leads on iOS requirement (11.0 vs 18.6). On price, update cadence, ads 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. Silhouette Blocks asks for nothing beyond the download.

Silhouette Blocks ships an update every 4 weeks, Shape Theory every 3 weeks. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Silhouette Blocks | Shape Theory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 78 MB | 13 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Graphics Meme LLC](https://appshunter.io/developer/1473010698) | [Bulltech](https://appshunter.io/developer/1586482702) |

## What reviewers say

### Silhouette Blocks

[App page](https://appshunter.io/ios/app/silhouette-blocks/id6444155519)

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

**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 Silhouette Blocks free?

Silhouette Blocks 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 Silhouette Blocks or Shape Theory have ads?

Both Silhouette Blocks and Shape Theory show ads.

### Which is updated more often, Silhouette Blocks or Shape Theory?

Silhouette Blocks ships an update every 4 weeks, and Shape Theory every 3 weeks. Most recently, Silhouette Blocks was updated on October 21, 2026 and Shape Theory on October 27, 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.*