Comparison

Fast MathB vs Gonggi Drop

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

Head to head
About

Fast MathB

Features
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Improve your mental math skills with our fast-paced and addictive math game! Solve a variety of math problems as quickly as possible to earn points and level up. With increasing difficulty levels and a variety of game modes, our app will challenge you to become a math master in no time. Download now and start improving your math skills while having fun!

About

Gonggi Drop

Features
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Gonggi Drop – The Ultimate Anti-Stress Sorting Game! Feeling overwhelmed? Need a quick mental reset? Gonggi Drop is the perfect anti-stress game that sharpens your reflexes while giving you a fun and satisfying way to unwind! * How to Play: Each falling gonggi (game piece) has one of five colors and one of five unique patterns inside. At the bottom, random buckets appear, assigned either a color or a pattern. Your goal? Quickly decide where to drop each gonggi—match either its color or pattern and keep the streak going! * Example: A purple gonggi with a circle pattern? Drop it in the purple bucket or the circle bucket—your choice! But don’t hesitate too long… * Simple & Satisfying Controls: Swipe left or right to move the gonggi. Swipe down to drop it instantly. Fast-Paced, Addictive, and Relaxing! The game starts easy but speeds up over time. Train your brain while experiencing the oddly satisfying feeling of perfectly sorting objects. A perfect game to clear your mind, de-stress, and have fun anytime, anywhere! How long can you keep up? * Challenge yourself in Gonggi Drop and feel the stress melt away! *

Screenshots

Fast MathB4 screens
Gonggi Drop4 screens

Verdict

The call

The clearest difference is ads: Fast MathB at none against Gonggi Drop's shown. Fast MathB also leads on update cadence (every 6 days vs every 6 weeks) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support 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. Fast MathB sells 5 one-off in-app purchases and Gonggi Drop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fast MathB ships an update every 6 days, Gonggi Drop every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level
Fast MathB versus Gonggi Drop: the parameters behind the verdict, then further details
ParameterFast MathBGonggi Drop
PriceFreeFree
Update frequencyEvery 6 days — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size153 MB219 MB
Age rating17+4+
DeveloperSalih HamoudaSmelly Cat

In-app purchases

5 purchases

Fast MathB

One-time5
  • pack1$0.99
  • vip1$0.99
  • pack3$2.99
Show 2 more
  • vip3$2.99
  • pack5$4.99
1 purchases

Gonggi Drop

One-time1
  • Remove Ads$3.99

Questions

Is Fast MathB free?
Fast MathB is free to download, with in-app purchases available.
Is Gonggi Drop free?
Gonggi Drop is free to download, with in-app purchases available.
Do Fast MathB or Gonggi Drop have ads?
Gonggi Drop shows ads; Fast MathB does not.
Which is updated more often, Fast MathB or Gonggi Drop?
Fast MathB ships an update every 6 days, and Gonggi Drop every 6 weeks. Most recently, Fast MathB was updated on November 3, 2026 and Gonggi Drop on October 30, 2026.

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