Comparison

Number Spy vs The Quest for Knowledge

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

Head to head
About

Number Spy

A number guessing game where players hunt for a mystery number between 1 and 999. Compete against friends or AI opponents using visual clues and hint arrows to find the target number first.

Highlights
  • Mystery number hunt
  • AI opponents (Average, Smart, Peeking)
  • WiFi multiplayer mode
  • Customizable game settings
  • Hint arrows and range indicators
  • Parental peek feature
Features
Read full description

Number Spy – The Ultimate Number Hunt Begins! Ready for a brain-teasing challenge that’s as fun as it is addictive? Number Spy reinvents the classic "Hot or Cold" game with a thrilling twist—hunt down a mystery number between 1 and 999 before your opponent does! Whether you’re facing off against a friend over WiFi or outsmarting a crafty computer opponent, every guess brings you closer to victory—or defeat. How It Works: - Spin the number wheels and make your guess. - Watch the clues light up: Purple (Cold) for way off, Red (Ouch!) for oh-so-close, and everything in between. - Follow the Hint Arrows (Up or Down) to zero in on the target. - Strike the Mystery Number first and claim your win! Why You’ll Love It: - Solo Mode: Test your skills against a computer opponent—choose Average for a casual duel, Smart for a real challenge, or Peeking for a nail-biting race. - WiFi Mode: Challenge a friend and see who’s the ultimate Number Spy. Sync up, set your avatars, and let the showdown begin! - Custom Fun: Pick your avatar, set the number of games per match (1-10), and tweak the odds to keep it exciting for everyone. - Secret Edge: Parents, hold the Cold (Blue) indicator for 2 seconds to sneak a peek at the Mystery Number—perfect for guiding younger players! Quick to Learn, Tough to Master: With colorful Range Indicators and clever opponents that adapt, every round is a fresh thrill. Will you outguess the competition with strategy, or rely on luck to steal the win? Download Number Spy Now! Grab it free from your app store. Get ready to hunt, guess, and triumph—your next obsession starts here!

About

The Quest for Knowledge

Features
Read full description

Welcome to "The Quest for Knowledge," the ultimate brain IQ game that takes you on an exciting journey of intellectual exploration. Designed for players who love to challenge their minds, this game enhances critical thinking and problem-solving skills while providing an engaging and immersive experience. Key Features: Diverse Puzzle Types: Encounter a wide variety of puzzles that test different aspects of your intelligence. From logic puzzles to memory challenges, each level offers a unique intellectual test. Knowledge Points System: Earn knowledge points as you progress through levels. Use these points to unlock new challenges and track your intellectual growth. Real-World Knowledge Integration: Learn interesting facts and real-world knowledge as you play. This game is not only entertaining but also educational. Achievements: Collect achievements for completing specific milestones. Showcase your intellectual prowess with a range of badges and awards. Intuitive Controls and Interface: Enjoy a user-friendly interface and intuitive controls that make the gameplay experience smooth and enjoyable. Vibrant Art Style: Immerse yourself in the game’s vibrant and colorful art style, designed to keep you engaged and motivated. Immersive Sound Effects and Music: Experience the game with immersive sound effects and music that enhance the overall gameplay experience. Hints and Help System: Stuck on a puzzle? Use the hints and help system to guide you through challenging levels without frustration. Shop: Access a variety of in-game items and power-ups in the shop to enhance your gameplay experience. In-App Purchases: Customize your experience with in-app purchases that offer additional features and benefits. Once you're past the splash screen and intro animation, the game menu appears. From there, clicking the "play" button takes you to the level selection screen. Choose your level, complete it, and move on to unlock the next challenge! Join "The Quest for Knowledge" today and start your journey towards becoming a more knowledgeable and skilled thinker. Whether you're looking to improve your cognitive skills or just enjoy a fun and challenging game, "The Quest for Knowledge" has something for everyone. Download now and embark on your intellectual adventure! To get a longer description click/tap on the "continue" button in the input box.

Screenshots

Number Spy4 screens
The Quest for Knowledge3 screens

Verdict

The call

The clearest difference is update cadence: The Quest for Knowledge at every 11 days against Number Spy's every 5 weeks. The Quest for Knowledge also leads on iOS requirement (14.0 vs 16.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Number Spy ships an update every 5 weeks, The Quest for Knowledge every 11 days. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 8 level
Number Spy versus The Quest for Knowledge: the parameters behind the verdict, then further details
ParameterNumber SpyThe Quest for Knowledge
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.014.0 — better
Further details — not scored
Size20 MB6 MB
Age rating4+4+
DeveloperNeil RohanNapTech Lab

In-app purchases

None

Number Spy

No in-app purchases

None

The Quest for Knowledge

No in-app purchases

Questions

Is Number Spy free?
Number Spy is free to download, with no in-app purchases.
Is The Quest for Knowledge free?
The Quest for Knowledge is free to download, with no in-app purchases.
Do Number Spy or The Quest for Knowledge have ads?
Neither Number Spy nor The Quest for Knowledge shows ads.
Which is updated more often, Number Spy or The Quest for Knowledge?
Number Spy ships an update every 5 weeks, and The Quest for Knowledge every 11 days. Most recently, Number Spy was updated on October 18, 2026 and The Quest for Knowledge on October 15, 2026.

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