# Brain Training AHA vs DJDX

The clearest difference is update cadence: DJDX at weekly against Brain Training AHA's every 33 months. Brain Training AHA's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Brain Training AHA ships an update every 33 months, DJDX weekly. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Brain Training AHA | DJDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/djdx/id6502867123/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Weekly** |
| Monetization | — | Free |
| Size | 22 MB | 75 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [yuzuru watanabe](https://appshunter.io/developer/1564714966) | [Justin Xin](https://appshunter.io/developer/1423154796) |

## What reviewers say

### Brain Training AHA

[App page](https://appshunter.io/ios/app/brain-training-aha/id1564714964)

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

**In-app purchases:** none


### DJDX

[App page](https://appshunter.io/ios/app/djdx/id6502867123)

This app helps rhythm game players manage and analyze their scores. It supports importing play data from various games and provides detailed statistics and trend analysis. Users can also view charts and customize their data display.

**Highlights:** Score data import (web/CSV), Automatic data backup, Customizable data display, Score statistics and trends, Chart viewer (Textage, sdvx.in, YouTube), External data source integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Brain Training AHA free?

Brain Training AHA is free to download, with no in-app purchases.

### Is DJDX free?

DJDX is free to download, with no in-app purchases.

### Do Brain Training AHA or DJDX have ads?

Neither Brain Training AHA nor DJDX shows ads.

### Which is updated more often, Brain Training AHA or DJDX?

Brain Training AHA ships an update every 33 months, and DJDX weekly. Most recently, Brain Training AHA was updated on October 2, 2026 and DJDX on October 13, 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.*