# Decrypto vs Emotional Brain Study

The clearest difference is in-app purchases: Emotional Brain Study at none against Decrypto's 8. Emotional Brain Study also leads on iOS requirement (9.0 vs 17.2). Decrypto's advantage is update cadence (every 4 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Decrypto sells 8 one-off in-app purchases. Emotional Brain Study asks for nothing beyond the download.

Decrypto ships an update every 4 days, Emotional Brain Study every 5 months. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Decrypto | Emotional Brain Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (123 ratings)](https://appshunter.io/ios/app/decrypto-cipher-cryptograms/id1023872874/reviews)** | — |
| Number of ratings | **123** | — |
| Positive reviews | 85.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 55 MB |
| Requires iOS | 17.2 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Incognitum, MB](https://appshunter.io/developer/1019812236) | [H2 Cognitive Designs LTD](https://appshunter.io/developer/1658315146) |

## What reviewers say

### Decrypto

[App page](https://appshunter.io/ios/app/decrypto-cipher-cryptograms/id1023872874)

Engage in a captivating puzzle game where you decode classic ciphers and solve cryptogram word puzzles. This app offers a challenging yet accessible experience for those who enjoy riddles and code-breaking. It's designed for curious minds to train their brains with pure, ad-free fun.

**Highlights:** Decode classic ciphers, Solve cryptogram word puzzles, Break challenging codes, Brain training, VoiceOver support, Ad-free gameplay

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Help Points | $0.99 | one-time |
| 5 Keys | $1.49 | one-time |
| Remove ads | $1.99 | one-time |
| 15 Keys | $3.49 | one-time |
| 30 Keys | $5.49 | one-time |
| Unlimited Keys | $11.49 | one-time |
| Solutions | $14.99 | one-time |
| Solutions & Unlimited Keys | $19.99 | one-time |


### Emotional Brain Study

[App page](https://appshunter.io/ios/app/emotional-brain-study/id1445539640)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decrypto free?

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

### Is Emotional Brain Study free?

Emotional Brain Study is free to download, with no in-app purchases.

### Do Decrypto or Emotional Brain Study have ads?

Neither Decrypto nor Emotional Brain Study shows ads.

### Which is updated more often, Decrypto or Emotional Brain Study?

Decrypto ships an update every 4 days, and Emotional Brain Study every 5 months. Most recently, Decrypto was updated on October 16, 2026 and Emotional Brain Study on October 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.*