Comparison

Math Countdown vs Who is? 2 Brain Puzzle & Chats

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

Head to head
About

Math Countdown

Practice your math skills with this engaging game. Solve problems against the clock before time runs out. Improve your counting abilities in a fun, fast-paced environment.

Highlights
  • Timed problem solving
  • Improve counting skills
  • Fast-paced gameplay
  • Countdown timer
  • Engaging challenges
Features
Read full description

A fun app to improve your counting skills. Solve tasks, but do not forget to look at the time. Hurry up before the countdown is over.

About

Who is? 2 Brain Puzzle & Chats

Engage in a riddle game featuring chat simulations to uncover secrets and solve puzzles. Interact with characters through dialogue, uncover clues, and test your logic and memory in this free brain teaser.

Highlights
  • Chat simulation system
  • Riddle and brain teaser levels
  • Memory and trivia puzzles
  • Uncover shocking secrets
  • Player-driven dialogue options
  • Artistic and funny graphics
Features
Read full description

Get ready to return to the tricky world of fan favorite Who Is? Brain Teaser & Tricky Riddles with a brand new chat and clue system! Who is 2? Chat Puzzles & Brain Teasers is a brain teaser riddle game with chat simulations. In order to find the answers, you chat with different characters and uncover the clues one by one. With Who is 2? Chat Puzzles & Brain Teasers’s complex dialogue options, you will reveal all kinds of shocking secrets. Who is 2? Chat Puzzles & Brain Teasers is a completely free riddle and brain teaser game with dozens of levels to play. Tricky characters will try to hide their secrets while players will make them talk like a true chat master. Brain games will get harder and more challenging as you complete the levels filled with tricky riddles and logical puzzles. Play hundreds of amazing jigsaw puzzles for your brain out and exercise with brain games and logic games. If you like IQ games or IQ quizzes you will also find many tricky questions for healthy brain training. CHAT SIMULATION SYSTEM Who is 2? Chat Puzzles & Brain Teasers improves the first game’s addicting formula with a state-of-art chat simulation system. In this social role playing system, the characters will reply differently according to the your responses. The dialogues are completely player driven as a player can be either a rude or a kind person. The chat system combines brain teaser mechanics with role playing game elements. MEMORY and TRIVIA PUZZLES Who is 2? Chat Puzzles & Brain Teasers has a huge variety of puzzle and riddle types. Some levels will test your memory while some will test your knowledge. Trivia questions challenge players with logos of famous brands. You will develop your brain skills and memory power with the challenging memory levels. As always, get ready to be tricked by the brain teasing puzzles. This mind game offers a great user experience with artistic and funny graphics and animations. You will play a variety of crazy riddles where you solve the problems such as who is a father and who is his wife. You will solve crimes, uncover hidden secrets, and complete complex puzzles by finding clues. UNCOVER SHOCKING SECRETS While playing Who is 2? Chat Puzzles & Brain Teasers, you will meet hundreds of different characters. Each character has their own distinct personality. These characters will reveal their secrets if you can convince them with the correct chat responses. You must pick your words carefully as your relationship affects how much you will learn and how many clues you will get. This free mobile game can be played anywhere and anytime. Puzzles & riddles can be solved comfortably with one hand and you can enjoy the game without pushing yourself too hard. No reflex testing or phone shaking is needed to complete logic game levels. You can relax and enjoy solving our funny tricky riddles for funny brainwash. Stupid test, moron test, or dumb test, all of them are in this brain game. Features: ● Free to download, free to play and free to enjoy. No hidden fees. ● Chat simulation and RPG levels. ● Deep relationship mechanics and realistic characters. ● Mature chat levels. ● Dozens of levels filled with Tricky & Crazy riddles. ● Choice-based complex scenarios and gameplay. ● Professional graphics and animations. ● Immersive and funny sound effects. ● A great game to develop brain skills and IQ. ● New puzzles to develop memory muscles. ● Levels filled with brain teaser humor. ● Skip system allows passing too difficult levels. ● Clue detection system for complex puzzle lovers. ● No copy-paste levels, each level is %100 unique. ● Addictive and relaxing gameplay. ● Can be played with one hand. ● Play without the internet. Download Who is 2? Chat Puzzles & Brain Teasers today and start your virtual detective career!

Screenshots

Math Countdown4 screens
Who is? 2 Brain Puzzle & Chats4 screens

Verdict

The call

The clearest difference is rating: Who is? 2 Brain Puzzle & Chats at 4.8 against Math Countdown's 2.0. Who is? 2 Brain Puzzle & Chats also leads on ratings volume (6.8K vs 1). Math Countdown's advantage is in-app purchases (none vs 8) and 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. Who is? 2 Brain Puzzle & Chats sells 8 one-off in-app purchases. Math Countdown asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Who is? 2 Brain Puzzle & Chats holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Who is? 2 Brain Puzzle & Chats has 6.8K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Math Countdown ships an update monthly, Who is? 2 Brain Puzzle & Chats every 4 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Math Countdown versus Who is? 2 Brain Puzzle & Chats: the parameters behind the verdict, then further details
ParameterMath CountdownWho is? 2 Brain Puzzle & Chats
PriceFreeFree
Rating2.0 (1 ratings)4.8 (6.8K ratings) — better
Positive reviews—76.9% of reviews
Number of ratings16.8K — better
Update frequencyMonthly — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.012.5 — better
Further details — not scored
Size32 MB149 MB
Age rating4+4+
DeveloperMikhail RazinUNICO STUDIO

Customer experience

Math Countdown

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Who is? 2 Brain Puzzle & Chats

All ratings6,826 ratings
Positive97.0%
Neutral1.5%
Negative1.5%
Written reviews134 reviews
Positive76.9%
Neutral10.4%
Negative12.7%

Bugs and requests

Math Countdown

Not enough reviews yet to summarise bugs or requests.

Who is? 2 Brain Puzzle & Chats

Reported bugs

3 issues
  • Game freezing or becoming unplayable after completing levels
  • Ads not loading properly or getting stuck
  • Inconsistent performance across devices

Requested features

4 requests
  • More levels and content updates
  • Reduced ad frequency
  • Easier difficulty options
  • Character customization

In-app purchases

None

Math Countdown

No in-app purchases

8 purchases

Who is? 2 Brain Puzzle & Chats

One-time8
  • 300 Lamps$1.99
  • Remove Ads$2.99
  • 600 Lamps$2.99
Show 5 more
  • Special Pack$2.99
  • 1200 Lamps$3.99
  • 2500 Lamps$4.99
  • Supreme Pack$9.99
  • 10000 Lamps$9.99

Questions

Is Math Countdown free?
Math Countdown is free to download, with no in-app purchases.
Is Who is? 2 Brain Puzzle & Chats free?
Who is? 2 Brain Puzzle & Chats is free to download, with in-app purchases available.
Which has better reviews, Math Countdown or Who is? 2 Brain Puzzle & Chats?
Who is? 2 Brain Puzzle & Chats is rated higher. Math Countdown averages 2.0 out of 5 from 1 ratings, while Who is? 2 Brain Puzzle & Chats averages 4.8 from 6.8K ratings.
Do Math Countdown or Who is? 2 Brain Puzzle & Chats have ads?
Who is? 2 Brain Puzzle & Chats shows ads; Math Countdown does not.
Which is updated more often, Math Countdown or Who is? 2 Brain Puzzle & Chats?
Math Countdown ships an update monthly, and Who is? 2 Brain Puzzle & Chats every 4 months. Most recently, Math Countdown was updated on November 3, 2026 and Who is? 2 Brain Puzzle & Chats on November 9, 2026.

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