NineOut Trivia vs KnowDown
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
NineOut Trivia
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Nine correct answers to win. Zero mistakes allowed. NineOut is a daily trivia quiz. Every day, a new quiz. Same questions for everyone. The goal: a perfect score. THOUSANDS OF QUESTIONS 10+ categories: history, science, cinema, sports, food, music, literature, geography, nature, and general knowledge. Every answer comes with a fun fact — whether you got it right or not. 4 GAME MODES • Classic — 9 questions, 20 seconds each. The signature format. • Rapid Fire — Multiple choice, one wrong answer and you're done. • True/False — Pure instinct. You know it or you don't. • Blind Guess — Trust your gut. CHALLENGE YOUR FRIENDS Send an online challenge. Same questions, same timer. Who scores higher? Single, BO3, or BO5 for the competitive ones. PASS & PLAY One phone, multiple players. Perfect for parties, road trips, hangouts. Take turns, same phone. LEAGUES & LEADERBOARDS Keep your daily streak alive. Climb the leagues: Bronze → Silver → Gold → Diamond → Legend. Prove you're the best. SHARE YOUR RESULTS Stylish share cards for WhatsApp, Instagram, TikTok. Compare your score. Challenge your friends. Level up your general knowledge every day. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: KnowDown at none against NineOut Trivia's 5. KnowDown also leads on ads (none vs shown). On price, update cadence, 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
Both are free to download. NineOut Trivia sells 5 in-app purchases, starting at $2.99 per month. KnowDown asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.
| Parameter | NineOut Trivia | KnowDown |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 206 MB | 35 MB |
| Age rating | 12+ | 4+ |
| Developer | ABDOU MAKHTAR DIAKHATE | Niklas Debbrecht |
In-app purchases
NineOut Trivia
- NineOut Premium$2.991 Month
- Starter Pack$0.99
- Starter Pack — 500 Neurons$1.99
- Brain Pack — 1500 Neurons$3.99
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- Genius Pack — 4500 Neurons$8.99
KnowDown
No in-app purchases
Questions
Is NineOut Trivia free?
Is KnowDown free?
Do NineOut Trivia or KnowDown have ads?
Which is updated more often, NineOut Trivia or KnowDown?
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