Comparison

KnowDown vs Cékoi

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

Head to head
About

KnowDown

A trivia game that measures your knowledge with an ELO rating system. Answer questions across various categories, compete on global leaderboards, and learn from your mistakes. Offers daily limits and streak bonuses.

Highlights
  • ELO rating system for skill measurement
  • 700+ curated trivia questions
  • Global leaderboards
  • Smart matchmaking based on ELO
  • Daily question limit
  • Day streaks and awards
  • Answer history for learning
Features
Read full description

Welcome to KnowDown — the trivia game that truly measures your knowledge. Answer more than 3,000 quiz questions across 11 categories: history, science, culture, sports, geography, technology, general knowledge, food, entertainment, mythology and health. Every correct answer raises your ELO rating. Every miss teaches you something new. WHAT MAKES KNOWDOWN SPECIAL • ELO rating system: Your skill is measured like a chess grandmaster's. Beat harder questions, rise faster. Fair, competitive, transparent. • Curated question base: 3,000+ carefully written trivia questions in 11 categories — from everyday knowledge to deeper challenges. Regularly expanded and improved with play data. • Global leaderboards: Compete with players worldwide on a live Top 100 leaderboard. See in real time who's pushing for the top spot. • Smart matchmaking: Questions adapt to your ELO. Beginners get easier ones, experts get challenged. • Daily limit: 10 questions per day keep you coming back — no pressure, no burnout. • Friend-code bonus: Invite friends with your 8-digit code. You get +1 question per day for 7 days per invite, your friends get +2 questions per day for 7 days. • Day streaks & awards: Play every day and build your streak. Unlock achievements for streaks, perfect days and ELO milestones. • Answer history: Review every question you got right or wrong — and learn from it. • Dark & light theme: Easy on the eyes, day or night. HOW IT WORKS 1. Create your account via magic link (e-mail) 2. Answer up to 10 questions per day 3. Earn ELO points for correct answers 4. Build your day streak and collect awards 5. Climb the global leaderboard ACCESSIBILITY IN FOCUS KnowDown was built with accessibility in mind — the developer is visually impaired and uses VoiceOver every day: • Optimized for VoiceOver and TalkBack • Improved contrast and larger touch targets • Adjustable text sizes and reduced motion • Important information is not conveyed by color alone PRIVACY & SECURITY • Passwordless login — no password to leak • No third-party trackers, no ads, no data selling • Hosted in Germany under German law Questions? Feedback? Get in touch: support@knowdown.de KnowDown — Think fast. Score higher. Come back tomorrow.

About

Cékoi

Features
Read full description

Cékoi is THE general-knowledge trivia quiz to shine and reach the top. 19 CATEGORIES: General knowledge, Movies, Music, Sport, Football, History, Science, Geography & Capitals, Space & NASA, Tech & AI, Logic & Riddles, Africa, Europe, Asia, Americas... and more. REAL-TIME DUELS: face another player on timed questions. Daily challenge, solo games, hints and a lives system. CLIMB THE RANKS: your city > your country > your continent > the WORLD. Be #1 in your city, then aim for the WORLD TOP. Weekly and all-time leaderboards. Make your city proud! Fast, fun and free. Download Cékoi and prove you have the best general knowledge! Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

KnowDown4 screens
Cékoi4 screens

Verdict

The call

The clearest difference is in-app purchases: KnowDown at none against Cékoi's 7. KnowDown also leads on ads (none vs shown). On price, device support and iOS requirement 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. Cékoi sells 7 in-app purchases, starting at $2.99 per 3 months. KnowDown asks for nothing beyond the download.

Scorecard2 real differences · 7 level
KnowDown versus Cékoi: the parameters behind the verdict, then further details
ParameterKnowDownCékoi
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly—
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size35 MB60 MB
Age rating4+12+
DeveloperNiklas DebbrechtKeddy Andamba

In-app purchases

None

KnowDown

No in-app purchases

7 purchases

Cékoi

Subscriptions1
  • Ad-Free — 3 Months7 Days trial$2.993 Months
One-time6
  • 150 Coins$0.99
  • 450 coins$2.99
  • 1000 Coins$3.99
Show 3 more
  • 2100 Coins$8.99
  • 5,500 Coins$17.99
  • 12,000 Coins$44.99

Questions

Is KnowDown free?
KnowDown is free to download, with no in-app purchases.
Is Cékoi free?
Cékoi is free to download, with in-app purchases available.
Do KnowDown or Cékoi have ads?
Cékoi shows ads; KnowDown does not.

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