Comparison

Crazy Hard Fast Math Reaction vs DEAM

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

DEAM

This logic game challenges players to reach a target number using six given numbers and basic arithmetic operations. It's designed to improve mental calculation and problem-solving skills for all ages.

Highlights
  • Reach target number with 6 numbers
  • Use +, -, x, ÷ operations
  • Improve mental calculation
  • Creative problem-solving
  • Thousands of puzzles
  • Addictive gameplay
Features
Read full description

Are you a math genius? DEAM is a challenging yet fun math puzzle that will suit the needs of all ages. Challenge yourself and try to reach the target number as quickly as possible by solving math puzzle. "DEAM: Math Puzzle" is a logic game to see how far you can go. It is for people who are able to solve problems quickly and are looking for a challenge. With just 6 numbers, try to reach the target number by using the operations +, -, x, ÷. This game will help you improve your mental calculation skills and have many hours of fun! DEAM is a fun and addictive maths puzzle game that will challenge both your math skills as well as your thinking skills. You must use the numbers on the board to reach the target number on the top of the screen by only doing math with them. But beware, if you move any of the numbers already on the board, you'll lose all progress made so far. Reach the target number before losing all 6 numbers and try to do it. The story of DEAM is simple yet powerful. The puzzle is based on the idea that when solving a math problem, the process of getting to the answer is just as important as the answer itself. Our goal with DEAM is to teach children about healthy problem-solving strategies, while also teaching them basic mathematical concepts. It's a math puzzle that is more of a brain teaser. It requires you to be creative and think outside the box. There are no instructions given because it is about the process of solving problems. Think you can solve it? Play DEAM: Math Puzzle now! It's math puzzle time. DEAM is a simple yet addictive number puzzle that will keep you busy for hours. You have to work your way from the lowest number to the perfect number, with the goal of getting as close as possible. With more than thousands puzzles, DEAM has something for everyone!

Screenshots

Crazy Hard Fast Math Reaction3 screens
DEAM4 screens

Verdict

The call

The clearest difference is review sentiment: DEAM at 100% against Crazy Hard Fast Math Reaction's 27%. DEAM also leads on in-app purchases (none vs 1) and ads (none vs shown). Crazy Hard Fast Math Reaction's advantage is device support (3 vs 1) and iOS requirement (12.4 vs 16.0). On price 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. DEAM asks for nothing beyond the download.

UpkeepUpdate frequency

Crazy Hard Fast Math Reaction ships an update every 11 months, DEAM daily. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard7 real differences · 3 level
Crazy Hard Fast Math Reaction versus DEAM: the parameters behind the verdict, then further details
ParameterCrazy Hard Fast Math ReactionDEAM
PriceFreeFree
Rating1.7 (29 ratings) — better—
Positive reviews27.3% of reviews100.0% of reviews — better
Number of ratings29 — better—
Update frequencyEvery 11 monthsDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.4 — better16.0
Further details — not scored
Size48 MB3 MB
Age rating4+4+
DeveloperFragranze Games LtdHVALABS, LLC

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%

DEAM

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Crazy Hard Fast Math Reaction

One-time1
  • Remove Ads$1.99
None

DEAM

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 DEAM free?
DEAM is free to download, with no in-app purchases.
Do Crazy Hard Fast Math Reaction or DEAM have ads?
Crazy Hard Fast Math Reaction shows ads; DEAM does not.
Which is updated more often, Crazy Hard Fast Math Reaction or DEAM?
Crazy Hard Fast Math Reaction ships an update every 11 months, and DEAM daily. Most recently, Crazy Hard Fast Math Reaction was updated on November 1, 2026 and DEAM on November 4, 2026.

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