Crazing Math vs WHERE'S NUMBER!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Crazing Math
A fast-paced puzzle game where you select three numbers that sum to a target before time runs out. It's designed to sharpen focus and speed, offering quick rounds perfect for a mental break. Challenge yourself and others on the leaderboard.
- Tap three numbers to reach target sum
- Time decreases with each correct answer
- Score bonus for fast answers
- Difficulty increases over time
- Offline play supported
- Game Center leaderboards
- Three free themes
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Pick 3 numbers that add up to the target — before the clock runs out! Crazing Math is a fast, addictive mental math game that trains your focus and speed. Easy to start, hard to master. HOW TO PLAY • Tap three numbers whose sum equals the number on the balloon. • Every correct answer gives you less time for the next one. • From question 10, answer within 2.5 seconds to score a +2 FAST! bonus. • One wrong pick or running out of time ends the game. FEATURES • Quick rounds, perfect for a one-minute brain break • Difficulty ramps up the longer you survive • Hints on the first questions to help you get started • 3 beautiful themes, all free: Candy Pop, Midnight and Notebook • Game Center leaderboard: challenge your friends and the world • Play offline, no Wi-Fi needed • Great for kids, students and adults who want sharper mental math How far can you go? Beat your best score today!
WHERE'S NUMBER!
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NEXT You can clear the game by tapping the number displayed in "NEXT" and erasing everything. It is a game that challenges how fast you can clear. LIMIT If you clear it within the time limit, you will advance to the next stage. GAME MODE NORMAL： The numbers are arranged in ascending order, so it is easy to find the numbers. HARD：The numbers are arranged randomly, so it is difficult to find the numbers. If you clear "NORMAL", you will be able to press the "HARD" button.
Screenshots
Verdict
The clearest difference is in-app purchases: WHERE'S NUMBER! at none against Crazing Math's 1. WHERE'S NUMBER! also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Crazing Math's advantage is update cadence (every 4 months vs every 25 months). On price 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. Crazing Math sells 1 one-off in-app purchase. WHERE'S NUMBER! asks for nothing beyond the download.
Crazing Math ships an update every 4 months, WHERE'S NUMBER! every 25 months. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.
| Parameter | Crazing Math | WHERE'S NUMBER! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (9 ratings) — better | — |
| Positive reviews | 96.4% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 4 months — better | Every 25 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Cuong Du Duc | mieko kamiya |
In-app purchases
Crazing Math
- Remove Ads$4.99
WHERE'S NUMBER!
No in-app purchases
Questions
Is Crazing Math free?
Is WHERE'S NUMBER! free?
Do Crazing Math or WHERE'S NUMBER! have ads?
Which is updated more often, Crazing Math or WHERE'S NUMBER!?
Other comparisons
