# Brainchain vs Word World

The clearest difference is rating: Word World at 4.7 against Brainchain's 4.0. Word World also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 4 months). Brainchain's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Brainchain sells 1 one-off in-app purchase. Word World asks for nothing beyond the download.

Word World holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Word World has 1.1K ratings behind it against 1, so its average is the more settled of the two.

Brainchain ships an update every 4 months, Word World weekly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Brainchain | Word World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/brainchain/id6448923230/reviews) | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/word-world-brain-training/id6737323717/reviews)** |
| Number of ratings | 1 | **1.1K** |
| Positive reviews | — | 85.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 4 MB | 240 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Baxnet Technologies Pte Ltd](https://appshunter.io/developer/1549876573) | [MIND RAIN LIMITED](https://appshunter.io/developer/1775897738) |

## What reviewers say

### 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 |


### Word World

[App page](https://appshunter.io/ios/app/word-world-brain-training/id6737323717)

This offline word puzzle game challenges your vocabulary by having you connect letters to find hidden words. Enjoy a relaxing experience with soothing music and nature-themed backgrounds as you progress through thousands of levels.

**Highlights:** Engaging and challenging word puzzle, Free offline gameplay, Suitable for all ages, Over 6,000 puzzles, Relaxing backgrounds and music, Daily challenges

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and challenging
- 🧠 Helps to think and use the brain
- 🧠 Brain training
- 🧠 Great mind challenging game

**What reviewers complain about**

- 🔍 Starts out a bit too simply
- 🖥️ Wish to get to more difficult solutions with fewer levels

**Requested features**

- Landscape mode for iPads
- More varied situations for the word order


## Frequently asked questions

### Is Brainchain free?

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

### Is Word World free?

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

### Which has better reviews, Brainchain or Word World?

Word World is rated higher. Brainchain averages 4.0 out of 5 from 1 ratings, while Word World averages 4.7 from 1.1K ratings.

### Do Brainchain or Word World have ads?

Word World shows ads; Brainchain does not.

### Which is updated more often, Brainchain or Word World?

Brainchain ships an update every 4 months, and Word World weekly. Most recently, Brainchain was updated on November 3, 2026 and Word World on November 8, 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.*