Comparison

WHERE'S NUMBER! vs IQ React

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

Head to head
About

WHERE'S NUMBER!

Features
Read full description

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.

About

IQ React

Enhance your cognitive abilities with a data-driven approach to neural efficiency. This app offers personalized daily workouts and advanced analytics to improve speed, focus, and reaction time. Train your brain with a minimalist, distraction-free interface.

Highlights
  • Personalized daily workouts
  • Advanced analytics
  • Six core neurological pillars tracking
  • Minimalist dark-mode interface
  • Streak tracking
  • Elite cognitive science games
Features
Read full description

Unlock Your Peak Human Performance Speed is more than just a reflex—it’s a competitive advantage. Whether you’re an elite athlete, a competitive gamer, or a professional seeking sharper focus, React IQ is your personal cognitive training lab. Designed with a high-end, minimalist obsidian aesthetic, React IQ moves beyond simple games to provide a data-driven approach to neural efficiency. The Intelligence Matrix Stop guessing and start measuring. Our proprietary Intelligence Matrix tracks your progress across six core neurological pillars: Speed: Raw visuomotor response time. Inhibition: The ability to suppress impulses and make correct choices under pressure. Memory: Visual pattern recognition and recall. Awareness: Peripheral vision and situational focus. Precision: Temporal anticipation and rhythmic sync. Consistency: Sustained performance over time. Professional-Grade Training Suite Daily Workouts: Personalized 3-game sets tailored to your current performance gaps. Elite Game Modes: From the high-interference Stroop Test to complex Dual-Task processing, our games are rooted in cognitive science. Streak Intelligence: Track your dedication with an interactive habit calendar. Advanced Analytics: Watch your "Brain Hub" grow as you refine your reflexes down to the millisecond. Minimalist by Design No clutter. No distractions. React IQ features a cinematic, dark-mode interface that keeps your focus where it belongs: on your training. Are you ready to react? Download React IQ today. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

WHERE'S NUMBER!3 screens
IQ React4 screens

Verdict

The call

The clearest difference is in-app purchases: WHERE'S NUMBER! at none against IQ React's 5. WHERE'S NUMBER! also leads on iOS requirement (12.0 vs 18.5). IQ React's advantage is update cadence (weekly vs every 25 months). On price, ads 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. IQ React sells 5 one-off in-app purchases. WHERE'S NUMBER! asks for nothing beyond the download.

UpkeepUpdate frequency

WHERE'S NUMBER! ships an update every 25 months, IQ React weekly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
WHERE'S NUMBER! versus IQ React: the parameters behind the verdict, then further details
ParameterWHERE'S NUMBER!IQ React
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 25 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.5
Further details — not scored
Size40 MB22 MB
Age rating4+4+
Developermieko kamiyaIsaias Batista

In-app purchases

None

WHERE'S NUMBER!

No in-app purchases

5 purchases

IQ React

One-time5
  • 1 USD Donation$0.99
  • 3 USD Donation$2.99
  • 5 USD Donation$4.99
Show 2 more
  • 10 USD Donation$9.99
  • 99 USD Donation$99.99

Questions

Is WHERE'S NUMBER! free?
WHERE'S NUMBER! is free to download, with no in-app purchases.
Is IQ React free?
IQ React is free to download, with in-app purchases available.
Do WHERE'S NUMBER! or IQ React have ads?
Neither WHERE'S NUMBER! nor IQ React shows ads.
Which is updated more often, WHERE'S NUMBER! or IQ React?
WHERE'S NUMBER! ships an update every 25 months, and IQ React weekly. Most recently, WHERE'S NUMBER! was updated on October 13, 2026 and IQ React on October 11, 2026.

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