# Shape Theory vs String Theory Game

The clearest difference is in-app purchases: String Theory Game at none against Shape Theory's 3. String Theory Game also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). On price 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. String Theory Game asks for nothing beyond the download.

Shape Theory ships an update every 3 weeks, String Theory Game every 2 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Shape Theory | String Theory Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/string-theory-game/id6479223958/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 43 MB |
| Requires iOS | 18.6 | **10.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bulltech](https://appshunter.io/developer/1586482702) | [Andrew Viesta](https://appshunter.io/developer/1735241726) |

## What reviewers say

### 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 |


### String Theory Game

[App page](https://appshunter.io/ios/app/string-theory-game/id6479223958)

A vibrant puzzle game where you recreate patterns by drawing loops between pegs. Strategically place and overlap loops to match the target design with minimal moves. Offers handcrafted puzzles, daily challenges, and endless free play.

**Highlights:** Pattern matching puzzles, Loop drawing mechanics, Color-based loop filling, 60+ handcrafted puzzles, Daily challenges, Free play modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shape Theory free?

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

### Is String Theory Game free?

String Theory Game is free to download, with no in-app purchases.

### Do Shape Theory or String Theory Game have ads?

Shape Theory shows ads; String Theory Game does not.

### Which is updated more often, Shape Theory or String Theory Game?

Shape Theory ships an update every 3 weeks, and String Theory Game every 2 days. Most recently, Shape Theory was updated on October 12, 2026 and String Theory Game on October 9, 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.*