Comparison

Crazy Hard Fast Math Reaction vs Dark Math

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

Head to head
About

Crazy Hard Fast Math Reaction

Test your math skills with an infinite number of calculations. Choose your difficulty and race against the clock to achieve a high score. Compete with friends on multiple leaderboards to prove your math prowess.

Highlights
  • Infinite math calculations
  • Two-button right/wrong input
  • Timed challenges
  • Difficulty options (easy, normal, hard)
  • Multiple leaderboards
  • Multiplayer competition
Features
Read full description

Crazy Hard Math Challenge - You get it? An infinite number of math calculations await you, 2 buttons, right or wrong, and a very short amount of time. Race the clock to get a high score, take the easy, normal or hard option, it's your choice, but with 3 different leaderboards, why not prove to your friends who is the king of math? It really doesn't get much harder than this! Are you up for the challenge?

About

Dark Math

A challenging math puzzle game designed to sharpen your logic and reasoning skills. Place number cards to solve equations, from simple to highly complex, with difficulty that scales to push your limits.

Highlights
  • Logic and reasoning training
  • Diverse difficulty levels
  • Equation solving puzzles
  • Number card placement gameplay
  • Suitable for all ages
Features
Read full description

"Dark Math" is a challenging math puzzle game designed to train your brain's logic and reasoning skills. Place the given number cards into empty slots to complete the equation and solve the puzzle. From simple problems like "2 + 3 = 5" to highly complex equations such as "9.64 / 4.23 + 3.11 * 1.1 - 0.5 = 6.65 / 1 - 1.43," the difficulty scales to push your limits. Game Features 1. Diverse Difficulty Levels: Start with easy puzzles, but be prepared for some challenges that might take minutes, days, or even months to solve. 2. Brain Training: Go beyond basic arithmetic with puzzles that push your logical thinking and reasoning skills to the max. 3. For All Ages: Whether you're a kid, student, professional, or senior, this game is perfect for keeping your mind sharp. How to Play Use cards with numbers and operators to fill the empty slots and complete the equation. Some puzzles are straightforward, but others involve over 20 numbers and 10 operators, requiring deep thought and careful planning. As the famous saying goes, "No pain, no gain," challenge yourself with "Dark Math" puzzles and grow your logic, reasoning, and intelligence while tackling tough equations!

Screenshots

Crazy Hard Fast Math Reaction3 screens
Dark Math4 screens

Verdict

The call

The clearest difference is review sentiment: Dark Math at 100% against Crazy Hard Fast Math Reaction's 27%. Dark Math also leads on rating (4.8 vs 1.7) and in-app purchases (none vs 1). Crazy Hard Fast Math Reaction's advantage is ratings volume (29 vs 8). On price, ads, device support and iOS requirement 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. Crazy Hard Fast Math Reaction sells 1 one-off in-app purchase. Dark Math asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Dark Math holds the better App Store score, 4.8 against 1.7. Both are backed by a comparable volume of ratings — 29 and 8 respectively. Written reviews point the same way: 27% of Crazy Hard Fast Math Reaction's written reviews are positive against 100% of Dark Math's.

UpkeepUpdate frequency

Crazy Hard Fast Math Reaction ships an update every 11 months, Dark Math every 4 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
Crazy Hard Fast Math Reaction versus Dark Math: the parameters behind the verdict, then further details
ParameterCrazy Hard Fast Math ReactionDark Math
PriceFreeFree
Rating1.7 (29 ratings)4.8 (8 ratings) — better
Positive reviews27.3% of reviews100.0% of reviews — better
Number of ratings29 — better8
Update frequencyEvery 11 monthsEvery 4 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.4 — better13.0
Further details — not scored
Size48 MB175 MB
Age rating4+4+
DeveloperFragranze Games LtdRedev Inc.

Customer experience

Crazy Hard Fast Math Reaction

All ratings29 ratings
Positive17.2%
Neutral3.4%
Negative79.3%
Written reviews11 reviews
Positive27.3%
Neutral0.0%
Negative72.7%

Dark Math

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Crazy Hard Fast Math Reaction

One-time1
  • Remove Ads$1.99
None

Dark Math

No in-app purchases

Questions

Is Crazy Hard Fast Math Reaction free?
Crazy Hard Fast Math Reaction is free to download, with in-app purchases available.
Is Dark Math free?
Dark Math is free to download, with no in-app purchases.
Which has better reviews, Crazy Hard Fast Math Reaction or Dark Math?
Dark Math is rated higher. Crazy Hard Fast Math Reaction averages 1.7 out of 5 from 29 ratings, while Dark Math averages 4.8 from 8 ratings.
Do Crazy Hard Fast Math Reaction or Dark Math have ads?
Both Crazy Hard Fast Math Reaction and Dark Math show ads.
Which is updated more often, Crazy Hard Fast Math Reaction or Dark Math?
Crazy Hard Fast Math Reaction ships an update every 11 months, and Dark Math every 4 days. Most recently, Crazy Hard Fast Math Reaction was updated on October 22, 2026 and Dark Math on October 25, 2026.

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