Comparison

Smart Brain vs Quizerra

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

Head to head
About

Smart Brain

Engage in over 250 levels of challenging brain teasers, tricky puzzles, and emoji quizzes designed to test your IQ and lateral thinking. This game offers a fun and addictive casual gaming experience for all ages, requiring logic, observation, and creative problem-solving skills.

Highlights
  • 250+ levels of brain teasers
  • Tricky puzzles and emoji quizzes
  • Tests IQ and lateral thinking
  • Creative problem-solving challenges
  • Fun for all ages
  • Offline play
Features
Read full description

Play insanely fun brain games & brain puzzles that'll force your mind to think outside the box. Smart Brain games consist of 250+ levels of brain teasers, tricky puzzles, and emoji quizzes to test your IQ. Smart Brain is the ultimate brain game for all puzzle fans. For some puzzles, you’ll utilize your logical mind while others will test IQ; for some, you’ll need observation skills while for others, a knack for trivia games; for some you’ll tap your creative thinking while for others simple common sense. And all these fun and unique brain games come with fantastic visuals and interactive gameplay giving you the best casual gaming experience. And this epic experience is what makes Smart Brain a top-rated game for brain. Smart Brain — Addictive Mind Games For All Ages. - Hundreds of tricky puzzles, brain games, brain teasers to solve. - The best brain puzzles for your pastime. - Challenge and test your friends and family’s intelligence with brain games - Unlock exciting new game modes. - An ideal free casual game. - Out of the box game answers for puzzles and quizzes. - Unique and quirky levels that you’ll find nowhere else. - Work your creative problem solving and pump those logical muscles. - Boost lateral thinking and challenge your IQ. - Questions that make you focus on minute details, enhance observation. - Problems that blow your mind with out-of-the-box solutions. - Challenging enough to make grown-ups think. - Fun enough to make everyone laugh. - Stimulate your brain for a healthy mind. Holy cow — this sounds exactly like the brain game you were looking for! Who is this brain game for? If you like logical games, riddles, math games, jigsaw puzzle games, word search games, quiz games, and trivia games then Smart Brain game is just for you. Download Now for FREE. Smart Brain is not your regular easy game — it's the ultimate brain test. You’ve to break free from normal thinking, come up with something absurdly creative, something that pops your brain out, something that makes your brain sweat, something that makes your neurons wiggle — you gotta have a smart mind. Can you do it? Are you a “Smart Brain”? Yes, you are?! So just play the game and prove your intelligence to the world. Features: • Tricky puzzles • Funny game answers. • Fun for all ages: The best game for family & friends’ gatherings! • Download this funny game for free. • Great exercise for the brain. • Simple and highly addictive gameplay. • Play without the internet. • Play offline. Have fun!

About

Quizerra

Features
Read full description

How much do you really know? Find out in two minutes. Quizerra is a fast-paced trivia game with 1,100 questions across 11 categories – for everyone who loves to think, learn something new, and beat their own high score. HOW TO PLAY Pick a category and answer as many questions as you can in two minutes. Every correct answer scores points, and several in a row build a streak with a bonus. It moves on the instant you answer – no waiting, pure flow. ELEVEN CATEGORIES Sports · World History · Tech & Inventions · Nutrition · Music · Animals · Plants · Politics · Movies & TV · Science & Space · Games & Internet – plus a Mixed mode that draws from all of them. ALWAYS A REASON TO PLAY ON • Daily challenge: 10 fixed questions a day, with a streak you extend day by day • Levels & experience points, from Rookie to Quizerra Legend • Mastery: earn crowns by getting better and better at a category • The Collection: 55 emblems to unlock – five per category • 10 achievements to crack • Stats with per-category accuracy and a study list of the questions you’ve mastered • Round recap: replay every question of the round with the correct answer FOUR LANGUAGES, TWO DEVICES Quizerra speaks English, German, Spanish and French – switch right inside the app. Runs on iPhone and iPad. Free to play, supported by ads. Let’s go – the clock is ticking!

Screenshots

Smart Brain4 screens
Quizerra4 screens

Verdict

The call

The clearest difference is in-app purchases: Quizerra at none against Smart Brain's 10. Quizerra also leads on update cadence (every 10 days vs every 2 months). Smart Brain's advantage is iOS requirement (13.0 vs 17.0). 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. Smart Brain sells 10 one-off in-app purchases. Quizerra asks for nothing beyond the download.

UpkeepUpdate frequency

Smart Brain ships an update every 2 months, Quizerra every 10 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Smart Brain versus Quizerra: the parameters behind the verdict, then further details
ParameterSmart BrainQuizerra
PriceFreeFree
Rating4.6 (4.9K ratings) — better—
Positive reviews45.9% of reviews—
Number of ratings4.9K — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size413 MB8 MB
Age rating4+12+
DeveloperUNICO STUDIOMarcel Krause

Bugs and requests

Smart Brain

Reported bugs

4 issues
  • Levels not registering as completed
  • Buttons/UI elements overlapping
  • Inability to interact with required objects
  • Levels getting stuck and unable to progress

Requested features

4 requests
  • Reduce frequency of ads
  • Fix bugs and glitches
  • Improve puzzle logic and clues
  • Add progress saving functionality

Quizerra

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Smart Brain

One-time10
  • Smart Essentials$0.99
  • Smart Starter (10 Keys)$1.99
  • Remove Ads$2.99
Show 7 more
  • Puzzle Master$2.99
  • Smart Brain VIP Pack$3.99
  • Thinker Pack (30 Keys)$4.99
  • Genius Junkie$5.99
  • Puzzle Prodigy (50 Keys)$7.99
  • Smart Brain Elite Pack$9.99
  • Brain Game Ultimo (100 Coins)$14.99
None

Quizerra

No in-app purchases

Questions

Is Smart Brain free?
Smart Brain is free to download, with in-app purchases available.
Is Quizerra free?
Quizerra is free to download, with no in-app purchases.
Do Smart Brain or Quizerra have ads?
Both Smart Brain and Quizerra show ads.
Which is updated more often, Smart Brain or Quizerra?
Smart Brain ships an update every 2 months, and Quizerra every 10 days. Most recently, Smart Brain was updated on October 31, 2026 and Quizerra on October 28, 2026.

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