# Mathbrain by XGameDev.com vs Black Hole Puzzle

The clearest difference is rating: Black Hole Puzzle at 5.0 against Mathbrain by XGameDev.com's 2.0. Mathbrain by XGameDev.com's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Mathbrain by XGameDev.com sells 5 one-off in-app purchases and Black Hole Puzzle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Black Hole Puzzle holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Mathbrain by XGameDev.com ships an update every 29 months, Black Hole Puzzle daily. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mathbrain by XGameDev.com | Black Hole Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/mathbrain-by-xgamedevcom/id1066287672/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/black-hole-puzzle/id6762140368/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 129 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XGameDev Pty Ltd](https://appshunter.io/developer/669021543) | [Vikas Pawar](https://appshunter.io/developer/1588876306) |

## What reviewers say

### Mathbrain by XGameDev.com

[App page](https://appshunter.io/ios/app/mathbrain-by-xgamedevcom/id1066287672)

Engage your mind with arithmetic challenges in this puzzle game. Solve over 200 math problems using operators and practice order of operations. Offers campaign and drill modes for skill improvement.

**Highlights:** Solve arithmetic problems, Practice order of operations (BODMAS), Campaign Mode with predefined levels, Drill Mode for customizable difficulty, One-hand, one-touch controls, Gain real-world math skills

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 10 Hints | $0.99 | one-time |
| Buy 50 Hints | $2.99 | one-time |
| Buy 100 hints | $4.99 | one-time |
| Buy 250 hints | $9.99 | one-time |
| Buy 500 hints | $14.99 | one-time |


### Black Hole Puzzle

[App page](https://appshunter.io/ios/app/black-hole-puzzle/id6762140368)

A strategic board game where players place numbers on a circular grid. The last empty space becomes a black hole, affecting scores and determining the winner. Outwit your opponent with clever planning and quick moves.

**Highlights:** Classic paper game reimagined, Real-time multiplayer, Simple rules, deep strategy, Quick, competitive gameplay, Leaderboards and rankings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Mathbrain by XGameDev.com free?

Mathbrain by XGameDev.com is free to download, with in-app purchases available.

### Is Black Hole Puzzle free?

Black Hole Puzzle is free to download, with in-app purchases available.

### Which has better reviews, Mathbrain by XGameDev.com or Black Hole Puzzle?

Black Hole Puzzle is rated higher. Mathbrain by XGameDev.com averages 2.0 out of 5 from 1 ratings, while Black Hole Puzzle averages 5.0 from 2 ratings.

### Do Mathbrain by XGameDev.com or Black Hole Puzzle have ads?

Black Hole Puzzle shows ads; Mathbrain by XGameDev.com does not.

### Which is updated more often, Mathbrain by XGameDev.com or Black Hole Puzzle?

Mathbrain by XGameDev.com ships an update every 29 months, and Black Hole Puzzle daily. Most recently, Mathbrain by XGameDev.com was updated on October 9, 2026 and Black Hole Puzzle 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.*