# Brain Guessing Game vs Onyx Magic

The clearest difference is price: Brain Guessing Game at $39.99 against Onyx Magic's $64.99. Brain Guessing Game also leads on in-app purchases (none vs 2). Onyx Magic's advantage is ratings volume (13 vs 2). On rating, review sentiment, update cadence and ads there is nothing between them.

Brain Guessing Game costs $39.99 and Onyx Magic $64.99 up front. Onyx Magic sells 2 one-off in-app purchases. Brain Guessing Game asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Brain Guessing Game against 5.0 for Onyx Magic. That said, the two scores are not equally well evidenced: Onyx Magic has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Brain Guessing Game ships an update every 3 weeks, Onyx Magic fortnightly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Brain Guessing Game | Onyx Magic |
| --- | --- | --- |
| Price | **$39.99** | $64.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/brain-guessing-game/id6498151646/reviews) | [5.0 (13 ratings)](https://appshunter.io/ios/app/onyx-magic/id6756542102/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 87 MB | 36 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Penguin Magic](https://appshunter.io/developer/952840047) | [Marc Kerstein](https://appshunter.io/developer/821255617) |

## What reviewers say

### Brain Guessing Game

[App page](https://appshunter.io/ios/app/brain-guessing-game/id6498151646)

Engage in a clever card guessing game with a friend. This app generates unique images to reveal a chosen card in an astonishing way. Explore various animations and a calibration mode for advanced reveals.

**Highlights:** Interactive card guessing, Animated reveals, Image generation for reveals, Calibration mode for advanced effects, Easy-to-use interface, Novel playing card reveal

**In-app purchases:** none


### Onyx Magic

[App page](https://appshunter.io/ios/app/onyx-magic/id6756542102)

This utility uses AI to remotely alter captured photos in real-time. It allows for seamless modifications to images moments after they are taken, directly on a spectator's device. Create impossible effects like changing playing cards, revealing hidden messages, or altering clock times within photos.

**Highlights:** Real-time AI photo modification, Remote image alteration, Spectator's camera integration, Physical photo printing (Onyx Print), Third-party app integrations, Variable delayed input

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Onyx Credits | $19.99 | one-time |
| Onyx Print | $49.99 | one-time |


## Frequently asked questions

### Is Brain Guessing Game free?

Brain Guessing Game costs $39.99, with no in-app purchases.

### Is Onyx Magic free?

Onyx Magic costs $64.99, and also offers in-app purchases.

### Which has better reviews, Brain Guessing Game or Onyx Magic?

Brain Guessing Game and Onyx Magic are both rated 5.0 out of 5 on the App Store, from 2 and 13 ratings respectively.

### Do Brain Guessing Game or Onyx Magic have ads?

Neither Brain Guessing Game nor Onyx Magic shows ads.

### Which is updated more often, Brain Guessing Game or Onyx Magic?

Brain Guessing Game ships an update every 3 weeks, and Onyx Magic fortnightly. Most recently, Brain Guessing Game was updated on October 24, 2026 and Onyx Magic on October 22, 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.*