# Shape Theory vs BrainPlay

The clearest difference is update cadence: BrainPlay at every 3 days against Shape Theory's every 3 weeks. BrainPlay also leads on iOS requirement (15.0 vs 18.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Shape Theory sells 3 in-app purchases, starting at $0.99 per month and BrainPlay sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Shape Theory ships an update every 3 weeks, BrainPlay every 3 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Shape Theory | BrainPlay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/brainplay-logic-challenges/id6756168652/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 231 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bulltech](https://appshunter.io/developer/1586482702) | [EverSky Studio, LLC](https://appshunter.io/developer/1774004273) |

## 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 |


### BrainPlay

[App page](https://appshunter.io/ios/app/brainplay-logic-challenges/id6756168652)

Engage your mind with a variety of creative and surprising logic puzzles. This game encourages playful thinking and experimentation with no timers or pressure, offering a fun and accessible way to challenge your creativity and curiosity.

**Highlights:** Variety of unique puzzles, Simple, intuitive mechanics, Relaxed gameplay, no timers, Encourages creativity and experimentation, Family-friendly design, Solo or group play

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Shape Theory free?

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

### Is BrainPlay free?

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

### Do Shape Theory or BrainPlay have ads?

Both Shape Theory and BrainPlay show ads.

### Which is updated more often, Shape Theory or BrainPlay?

Shape Theory ships an update every 3 weeks, and BrainPlay every 3 days. Most recently, Shape Theory was updated on October 12, 2026 and BrainPlay on October 14, 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.*