# Bubble Classic Doris vs ADHD Brain Train

The clearest difference is in-app purchases: Bubble Classic Doris at none against ADHD Brain Train's 1. Bubble Classic Doris also leads on iOS requirement (6.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. ADHD Brain Train sells 1 in-app purchase, starting at $2.99 per 7 days. Bubble Classic Doris asks for nothing beyond the download.

## The numbers

| Metric | Bubble Classic Doris | ADHD Brain Train |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 104 MB | 30 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Shendrikov](https://appshunter.io/developer/969146966) | [Saurabh Khare](https://appshunter.io/developer/417606407) |

## What reviewers say

### Bubble Classic Doris

[App page](https://appshunter.io/ios/app/bubble-classic-doris-bubble-blast/id1203647035)

**Features:** macOS Compatibility

**In-app purchases:** none


### ADHD Brain Train

[App page](https://appshunter.io/ios/app/adhd-brain-train/id6792343689)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| adhd_brain_train_weekly_299 | $2.99 | per 7 days |


## Frequently asked questions

### Is Bubble Classic Doris free?

Bubble Classic Doris is free to download, with no in-app purchases.

### Is ADHD Brain Train free?

ADHD Brain Train is free to download, with in-app purchases available.

### Do Bubble Classic Doris or ADHD Brain Train have ads?

Neither Bubble Classic Doris nor ADHD Brain Train shows ads.

---

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