# DualBrain+  Brain Training vs Crazy for Cards

The clearest difference is price: Crazy for Cards at Free against DualBrain+  Brain Training's $1.99. Crazy for Cards also leads on update cadence (every 10 days vs every 22 months). DualBrain+  Brain Training's advantage is in-app purchases (none vs 6) and ads (none vs shown).

Crazy for Cards is free to download; DualBrain+  Brain Training costs $1.99 up front. Crazy for Cards sells 6 one-off in-app purchases. DualBrain+  Brain Training asks for nothing beyond the download.

DualBrain+  Brain Training ships an update every 22 months, Crazy for Cards every 10 days. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DualBrain+  Brain Training | Crazy for Cards |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/dualbrain-plus-brain-training/id371426052/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 73.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 10 days** |
| Monetization | Paid | — |
| Size | 26 MB | 96 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [subkom GmbH](https://appshunter.io/developer/363120138) | [Kamran Babazadeh](https://appshunter.io/developer/1765205527) |

## What reviewers say

### DualBrain+  Brain Training

[App page](https://appshunter.io/ios/app/dualbrain-plus-brain-training/id371426052)

Engage in a variety of exciting games designed to challenge your cognitive abilities. Compete against yourself and others on global leaderboards while unlocking achievements. Enjoy a multi-language interface and customizable music options.

**Highlights:** Eight distinct timed games, Three challenging game modes, Multiple difficulty levels, GameCenter leaderboards, Unlockable achievements, Social media sharing, Multi-language support

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

**In-app purchases:** none


### Crazy for Cards

[App page](https://appshunter.io/ios/app/crazy-for-cards/id6753015286)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Avatar | $0.49 | one-time |
| Remove Ads | $0.99 | one-time |
| Single Premium Avatar | $0.99 | one-time |
| Buy all Avatars of the Same Color | $1.99 | one-time |
| Buy all Avatars of a Premium Color | $2.99 | one-time |
| Premium All-In-1 | $9.99 | one-time |


## Frequently asked questions

### Is DualBrain+  Brain Training free?

DualBrain+  Brain Training costs $1.99, with no in-app purchases.

### Is Crazy for Cards free?

Crazy for Cards is free to download, with in-app purchases available.

### Do DualBrain+  Brain Training or Crazy for Cards have ads?

Crazy for Cards shows ads; DualBrain+  Brain Training does not.

### Which is updated more often, DualBrain+  Brain Training or Crazy for Cards?

DualBrain+  Brain Training ships an update every 22 months, and Crazy for Cards every 10 days. Most recently, DualBrain+  Brain Training was updated on November 1, 2026 and Crazy for Cards on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*