# Brain Test vs Rainbow Groupies

The clearest difference is in-app purchases: Rainbow Groupies at none against Brain Test's 8. Rainbow Groupies also leads on ads (none vs shown) and update cadence (every 5 days vs monthly). Brain Test's advantage is ratings volume (6.5K vs 3) and iOS requirement (12.5 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Brain Test sells 8 in-app purchases, starting at $2.99 per 7 days. Rainbow Groupies asks for nothing beyond the download.

Rainbow Groupies holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Brain Test has 6.5K ratings behind it against 3, so its average is the more settled of the two.

Brain Test ships an update monthly, Rainbow Groupies every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Brain Test | Rainbow Groupies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.5K ratings)](https://appshunter.io/ios/app/brain-test-tricky-words/id1568784560/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rainbow-groupies/id6759208584/reviews)** |
| Number of ratings | **6.5K** | 3 |
| Positive reviews | 42.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 195 MB | 6 MB |
| Requires iOS | **12.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UNICO STUDIO](https://appshunter.io/developer/1467451326) | [Neel Ketkar](https://appshunter.io/developer/1877422540) |

## What reviewers say

### Brain Test

[App page](https://appshunter.io/ios/app/brain-test-tricky-words/id1568784560)

This game challenges your vocabulary and recognition skills by presenting picture puzzles. Guess the word based on the image, offering a unique and tricky word game experience. It's a fun way to exercise your brain and improve your puzzle-solving abilities.

**Highlights:** Picture puzzles, Word guessing, Tricky challenges, Hint system, Offline play, Family-friendly puzzles

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $2.99 | per 7 days |
| 250 Lamps | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 500 Lamps | $2.99 | one-time |
| 1000 Lamps | $4.99 | one-time |
| 2500 Lamps | $9.99 | one-time |
| 5000 Lamps Discount | $11.99 | one-time |
| 5000 Lamps | $14.99 | one-time |

**What reviewers like**

- 👍 Challenging and interesting game
- 🧠 Helps brain exercise
- 😊 Fun and enjoyable

**What reviewers complain about**

- 💸 Too many ads
- ⏱️ Ads disrupt gameplay flow
- 🤯 Frustrating ad frequency
- 🤔 Some puzzles don't make sense

**Reported bugs**

- Levels restarting after ads
- Hints not working as expected
- Keyboard lag issues

**Requested features**

- Reduce ad frequency
- Option to pay for ad-free version
- Improve puzzle clues and logic


### Rainbow Groupies

[App page](https://appshunter.io/ios/app/rainbow-groupies/id6759208584)

A daily word puzzle game where players find connections between words to form four secret groups. It offers a fresh challenge each day with hints and educational benefits for the whole family.

**Highlights:** Daily word puzzles, Four secret word groups, On-device AI hints, Daily streak tracking, Vocabulary building, Multiple themes, iCloud sync

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Test free?

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

### Is Rainbow Groupies free?

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

### Which has better reviews, Brain Test or Rainbow Groupies?

Rainbow Groupies is rated higher. Brain Test averages 4.7 out of 5 from 6.5K ratings, while Rainbow Groupies averages 5.0 from 3 ratings.

### Do Brain Test or Rainbow Groupies have ads?

Brain Test shows ads; Rainbow Groupies does not.

### Which is updated more often, Brain Test or Rainbow Groupies?

Brain Test ships an update monthly, and Rainbow Groupies every 5 days. Most recently, Brain Test was updated on November 7, 2026 and Rainbow Groupies on October 31, 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.*