# Drain Brain vs Doodle Boo

The clearest difference is in-app purchases: Drain Brain at none against Doodle Boo's 1. Drain Brain also leads on ads (none vs shown). Doodle Boo's advantage is iOS requirement (12.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Doodle Boo sells 1 one-off in-app purchase. Drain Brain asks for nothing beyond the download.

## The numbers

| Metric | Drain Brain | Doodle Boo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/drain-brain/id6758406110/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 14 MB | 72 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Symbolic Software](https://appshunter.io/developer/613116232) | [Juan Ormaechea](https://appshunter.io/developer/1662392975) |

## What reviewers say

### Drain Brain

[App page](https://appshunter.io/ios/app/drain-brain/id6758406110)

A retro-styled puzzle game where players connect pipes on a grid to create a path for flowing liquid. Score points by filling pipes and race against the clock to fix dead ends before the flow stops. Features include various pipe types, a smart queue, and bombs to correct mistakes.

**Highlights:** Pipe connection puzzles, Retro LCD handheld style, Progressive difficulty, Smart queue system, Game Center leaderboards, Original soundtrack

**Features:** macOS Compatibility

**In-app purchases:** none


### Doodle Boo

[App page](https://appshunter.io/ios/app/doodle-boo/id6759507866)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Drain Brain free?

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

### Is Doodle Boo free?

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

### Do Drain Brain or Doodle Boo have ads?

Doodle Boo shows ads; Drain Brain does not.

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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.*