# Brain Test Premium vs KnuckleTrainer

The clearest difference is price: KnuckleTrainer at Free against Brain Test Premium's $4.99. KnuckleTrainer also leads on in-app purchases (none vs 4) and ads (none vs shown). Brain Test Premium's advantage is chart position (#111 vs unranked). On device support and iOS requirement there is nothing between them.

KnuckleTrainer is free to download; Brain Test Premium costs $4.99 up front. Brain Test Premium sells 4 one-off in-app purchases. KnuckleTrainer asks for nothing beyond the download.

Brain Test Premium ships an update every 12 months, KnuckleTrainer fortnightly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Brain Test Premium | KnuckleTrainer |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (24 ratings)](https://appshunter.io/ios/app/brain-test-premium/id6447440666/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | Paid | — |
| Best chart rank | **#111** | — |
| Size | 290 MB | 11 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNICO STUDIO](https://appshunter.io/developer/1467451326) | [Charles Goldader](https://appshunter.io/developer/1866760431) |

## What reviewers say

### Brain Test Premium

[App page](https://appshunter.io/ios/app/brain-test-premium/id6447440666)

**Currently charting:** #111 Top Paid · Trivia (US App Store)

This premium puzzle game offers an ad-free experience with all daily levels unlocked and enhanced in-game bonuses. It features a series of challenging brain teasers designed to test your logic and creativity, providing endless fun for all ages.

**Highlights:** Ad-free gameplay, All daily levels unlocked, Double daily gifts, Cheaper hints and skips, Bonus starting bulbs, Tricky and mind-blowing brain teasers, Offline play

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lamp 250 | $2.99 | one-time |
| Lamp 500 | $4.99 | one-time |
| Lamp 1000 | $8.99 | one-time |
| Lamp 2500 | $14.99 | one-time |


### KnuckleTrainer

[App page](https://appshunter.io/ios/app/knuckletrainer/id6757412188)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain Test Premium free?

Brain Test Premium costs $4.99, and also offers in-app purchases.

### Is KnuckleTrainer free?

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

### Do Brain Test Premium or KnuckleTrainer have ads?

Brain Test Premium shows ads; KnuckleTrainer does not.

### Which is updated more often, Brain Test Premium or KnuckleTrainer?

Brain Test Premium ships an update every 12 months, and KnuckleTrainer fortnightly. Most recently, Brain Test Premium was updated on October 14, 2026 and KnuckleTrainer on October 7, 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.*