Out of 195+ question guessing game on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Engage in a multiplayer guessing game where players estimate facts across various themes. Compete with friends to achieve the highest score and earn bragging rights.
Test your knowledge against players worldwide in this mobile trivia game. Compete in a global tour, climb leaderboards, and earn power-ups. Experience the classic quiz show format anytime, anywhere.
What We Love
🧠 Challenging trivia questions
🤓 Engaging gameplay
📚 Opportunity to learn new things
👥 Brings family together
Room to Improve
🇺🇸 Too US-centric questions
🤑 Monetization issues (expensive to play, low payouts)
Test your knowledge with a challenging trivia game featuring over 10,000 questions across various categories. Progress through 15 levels, utilize lifelines, and compete for the top score on the local leaderboard. This addictive puzzle game is available for free in multiple languages.
What is the best question guessing game for iPhone?
Know-it-all - A guessing game tops our question guessing game ranking as of June 2026, with a 4.4-star average from 9 App Store ratings, and it's free to download.
Are there free question guessing game for iPhone?
Yes — 20 of the top question guessing game we rank are free to download, including Know-it-all - A guessing game and Jeopardy! Trivia TV Game Show.
Does Know-it-all - A guessing game have ads or in-app purchases?
Know-it-all - A guessing game has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
How many question guessing game are on the App Store?
We track 195+ question guessing game on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
How do I play Know-it-all with friends?
One player creates a game, selects card sets and rounds, and shares a game code. Other players join by entering this code. Paid card sets only require one person to purchase them for everyone in the game to access.
What is the scoring system in Know-it-all?
Players receive points based on how close their estimate is to the correct answer. The number of points awarded per correct guess equals the number of players in the game. For example, in a 4-player game, the best guess gets 4 points.