Fast MathB vs Gonggi Drop
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Fast MathB
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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!
Gonggi Drop
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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
Verdict
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
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.
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.
| Parameter | Fast MathB | Gonggi Drop |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 153 MB | 219 MB |
| Age rating | 17+ | 4+ |
| Developer | Salih Hamouda | Smelly Cat |
In-app purchases
Fast MathB
- pack1$0.99
- vip1$0.99
- pack3$2.99
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- vip3$2.99
- pack5$4.99
Gonggi Drop
- Remove Ads$3.99
Questions
Is Fast MathB free?
Is Gonggi Drop free?
Do Fast MathB or Gonggi Drop have ads?
Which is updated more often, Fast MathB or Gonggi Drop?
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