# GUM Playbrush vs Brainchain

The clearest difference is monetization model: Brainchain at free against GUM Playbrush's free with in-app purchases. GUM Playbrush's advantage is rating (4.3 vs 4.0) and update cadence (every 5 weeks vs every 4 months). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. GUM Playbrush sells 2 in-app purchases, starting at $9.49 per 3 months and Brainchain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GUM Playbrush holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

GUM Playbrush ships an update every 5 weeks, Brainchain every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GUM Playbrush | Brainchain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/gum-playbrush/id1378254806/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/brainchain/id6448923230/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 270 MB | 4 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PLAYBRUSH LTD](https://appshunter.io/developer/959404938) | [Baxnet Technologies Pte Ltd](https://appshunter.io/developer/1549876573) |

## What reviewers say

### GUM Playbrush

[App page](https://appshunter.io/ios/app/gum-playbrush/id1378254806)

This app transforms brushing teeth into a fun adventure for children aged 3 and up. Interactive games, a brushing coach, and virtual pet care encourage proper oral hygiene. Parents can track progress with detailed statistics.

**Highlights:** 13 interactive toothbrushing games, Brushing coach for proper technique, Detailed brushing statistics for parents, Virtual pet care with Dayo coins, Bluetooth connectivity with sonic toothbrushes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Game Subscription | $9.49 | per 3 months |
| Yearly Game Subscription | $27.99 | per year |


### Brainchain

[App page](https://appshunter.io/ios/app/brainchain/id6448923230)

Train your associative thinking with this fast-paced word game. Create a chain of six words, starting with a given word and associating each subsequent word to the previous one within a time limit. Broaden your thinking and improve your mood and creativity.

**Highlights:** Create 6-word word chains, Timed word association, Develop broader thinking, Improve mood and creativity, Review and share chains, Single common English words only

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited play | $2.99 | one-time |


## Frequently asked questions

### Is GUM Playbrush free?

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

### Is Brainchain free?

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

### Which has better reviews, GUM Playbrush or Brainchain?

GUM Playbrush is rated higher. GUM Playbrush averages 4.3 out of 5 from 4 ratings, while Brainchain averages 4.0 from 1 ratings.

### Do GUM Playbrush or Brainchain have ads?

Neither GUM Playbrush nor Brainchain shows ads.

### Which is updated more often, GUM Playbrush or Brainchain?

GUM Playbrush ships an update every 5 weeks, and Brainchain every 4 months. Most recently, GUM Playbrush was updated on November 2, 2026 and Brainchain on November 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.*