Comparison

Mathbrain by XGameDev.com vs Black Hole Puzzle

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Mathbrain by XGameDev.com

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
Read full description

Welcome to Mathbrain Solve math problems and challenges in this simple one-touch game. Mathbrain is a mathematical puzzle game, which uses arithmetic operators to improve your math skills. There are over 200 questions to solve with this interactive puzzle game. Make your train or bus trip worth the time, by challenging your brain, while keeping in mind the order of operations, e.g: BODMAS - Brackets,Orders,Divide,Multiply,Add,Subtract Features * Campaign Mode - complete predefined levels and work your way through all the levels. * Drill Mode - choose the number of options you want, which is the difficulty of the drill, and complete as many as you can. * One-hand one-touch controls * Gain real-world math skills * No Ads * No IAP * Completely Free! Please follow us on social media: https://www.facebook.com/xgamedev/ https://twitter.com/XGameDev https://www.instagram.com/xgamedev/

About

Black Hole Puzzle

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
Read full description

Black Hole Puzzle is a simple yet strategic game where every move matters. Play on boards made of 21 circles arranged in different shapes, and take turns placing your numbers in any empty spot. As the board fills up, choices become harder and more important.At the end, one circle remains empty. It becomes the Black Hole, pulling in nearby circles and changing the final score. The player with the highest total wins. Think ahead, plan smart, and stay one step ahead of your opponent. Features: 1. Classic Paper Game, Reimagined 2. Real-Time Multiplayer Matches 3. Simple Rules, Deep Strategy 4. Quick, Competitive Gameplay 5. Clean, Minimal Design 6. Leaderboards & Rankings Can you outplay your opponent and survive the Black Hole?

Screenshots

Mathbrain by XGameDev.com3 screens
Black Hole Puzzle4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Mathbrain by XGameDev.com versus Black Hole Puzzle: the parameters behind the verdict, then further details
ParameterMathbrain by XGameDev.comBlack Hole Puzzle
PriceFreeFree
Rating2.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 29 monthsDaily — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size47 MB129 MB
Age rating4+4+
DeveloperXGameDev Pty LtdVikas Pawar

Customer experience

Mathbrain by XGameDev.com

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Black Hole Puzzle

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Mathbrain by XGameDev.com

One-time5
  • Buy 10 Hints$0.99
  • Buy 50 Hints$2.99
  • Buy 100 hints$4.99
Show 2 more
  • Buy 250 hints$9.99
  • Buy 500 hints$14.99
1 purchases

Black Hole Puzzle

One-time1
  • Premium Unlock$2.99

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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