# Logic Master vs HAL 9000

The clearest difference is rating: HAL 9000 at 5.0 against Logic Master's 4.5. HAL 9000 also leads on in-app purchases (none vs 10) and iOS requirement (11.0 vs 13.0). Logic Master's advantage is update cadence (weekly vs every 36 months) and ratings volume (118 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Logic Master sells 10 one-off in-app purchases. HAL 9000 asks for nothing beyond the download.

HAL 9000 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Logic Master has 118 ratings behind it against 1, so its average is the more settled of the two.

Logic Master ships an update weekly, HAL 9000 every 36 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Logic Master | HAL 9000 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (118 ratings)](https://appshunter.io/ios/app/logic-master-brain-puzzles/id1194911580/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hal-9000/id1518486203/reviews)** |
| Number of ratings | **118** | 1 |
| Positive reviews | 91.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 36 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 26 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Burak Sendag](https://appshunter.io/developer/542230273) | [Vladimir Djokic](https://appshunter.io/developer/1483350231) |

## What reviewers say

### Logic Master

[App page](https://appshunter.io/ios/app/logic-master-brain-puzzles/id1194911580)

Engage your mind with a collection of over 200 unusual and tricky puzzles designed to challenge your cognitive abilities. Improve attention, memory, and problem-solving skills with creative gameplay and absurd solutions.

**Highlights:** 200+ unusual and tricky puzzles, Cognitive skill evaluation, Global leaderboards, Offline play, Creative problem-solving, Hand-drawn graphics

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Hints | $0.99 | one-time |
| 5 Hints | $0.99 | one-time |
| 10 Hints | $1.99 | one-time |
| Remove ads | $1.99 | one-time |
| Starter Pack | $3.99 | one-time |
| Half Price Offer | $4.99 | one-time |
| Low Coins Offer | $4.99 | one-time |
| 100 Hints | $9.99 | one-time |
| Mega Pack | $14.99 | one-time |
| Unlock all hints | $19.99 | one-time |


### HAL 9000

[App page](https://appshunter.io/ios/app/hal-9000/id1518486203)

Experience classic chess with advanced 3D graphics and an AI opponent. This hobby project offers a virtual chess set for players to test their skills. More features are planned for future updates.

**Highlights:** Advanced 3D graphics, Virtual chess set interaction, Play against AI opponent, Classic chess gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logic Master free?

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

### Is HAL 9000 free?

HAL 9000 is free to download, with no in-app purchases.

### Which has better reviews, Logic Master or HAL 9000?

HAL 9000 is rated higher. Logic Master averages 4.5 out of 5 from 118 ratings, while HAL 9000 averages 5.0 from 1 ratings.

### Do Logic Master or HAL 9000 have ads?

Neither Logic Master nor HAL 9000 shows ads.

### Which is updated more often, Logic Master or HAL 9000?

Logic Master ships an update weekly, and HAL 9000 every 36 months. Most recently, Logic Master was updated on October 17, 2026 and HAL 9000 on October 11, 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.*