Comparison

Brain Training, Know brain age vs Primal Fun

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

Head to head
About

Brain Training, Know brain age

Test your cognitive abilities with quick, engaging games to determine your brain age. Improve observation, memory, judgment, and reaction skills through daily challenges and puzzles.

Highlights
  • Brain age assessment
  • Quick 30-second games
  • Observation challenges
  • Memory tests
  • Judgment and intuition games
  • Daily puzzle games
  • General cognitive test
Features
Read full description

Find out your brain age.It just only 30 sec per games. Simple yet addicting app which tests your brain age base on your game performance. ● Observation Tap the numbers 1 to 25 ● Memory Memory alignment of numbers from 0 to 9 ● Judgement Select the "Text color" ● Intuition Tap the specified number of seconds ● Computing Elementary-level math calculations ● Reaction Rock paper scissors by order ● Today's puzzle game Funny puzzle game every day. [Mini Sudoku], [Cross Puzzle], [CALC] Try General Test detect your brain age.

About

Primal Fun

A collection of 23 mini-games designed for 2-6 players using a single phone. Enjoy quick rounds and instant fun across various senses, with options for solo practice or tournament-style play. Unlock all games with a one-time purchase.

Highlights
  • 23 mini-games across 5 senses
  • Playable on a single phone
  • Supports 2-6 players
  • Instant gameplay, no complex rules
  • Tournament-style play
  • Solo practice mode
  • Offline play
Features
Read full description

Put one phone in the middle of the table. Everyone taps their own side. That's it: the whole family is playing. I'm a dad of two, ages 6 and 4. I made Primal Fun so my kids, my wife and I could play together on one phone. The rules take 3 seconds, so even my 4-year-old jumps right in. And yes, the kids beat me more often than I'd like to admit. ■ Rules in 3 seconds, rounds in 10 Tap when the color changes, pass the bomb, stop at exactly 7 seconds… no long explanations, just laughing together. For 2–6 players on a single phone. ■ 23 mini games across 5 senses · Reflex – Faster Than Light, Tap the Real One, Left? Right!, Pop! · Sense – Exactly 7s, Just That Far, Dead Center, Cut in Half, Metronome · Touch – In Step!, Push Out!, Mash!, Perfect Shape, Tightrope · Eye – Right Now!, Odd One Out, Number Hunt, What's Missing?, How Many? · Nerve – Pass It!, Don't Be Last, Shrinking Zone, One More? Every game tests something different, so the winner changes from game to game. ■ Like a real tournament Pick how many games to play, spin the random roulette or choose each game. Standings build up game by game, and the champion takes the podium! ■ Solo too Chase your personal best in every game with Solo Practice. ■ No ads · No subscription 7 games are free the moment you install. Unlock the other 16 with a single purchase, yours forever. No ads will ever pop up in front of your kids. Plays offline. After dinner, rainy weekends, waiting at a restaurant, holidays with grandparents: one phone is all you need.

Screenshots

Brain Training, Know brain age4 screens
Primal Fun4 screens

Verdict

The call

The clearest difference is ads: Primal Fun at none against Brain Training, Know brain age's shown. Primal Fun also leads on update cadence (every 2 days vs every 3 months) and review sentiment (100% vs 82%). Brain Training, Know brain age's advantage is iOS requirement (9.0 vs 17.0). On price, in-app purchases, monetization model 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. Brain Training, Know brain age sells 1 one-off in-app purchase and Primal Fun sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Brain Training, Know brain age ships an update every 3 months, Primal Fun every 2 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Brain Training, Know brain age versus Primal Fun: the parameters behind the verdict, then further details
ParameterBrain Training, Know brain agePrimal Fun
PriceFreeFree
Rating4.5 (238 ratings) — better—
Positive reviews82.2% of reviews100.0% of reviews — better
Number of ratings238 — better—
Update frequencyEvery 3 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size24 MB126 MB
Age rating4+4+
DeveloperQQ TSUBASAJuyeon Yu

Customer experience

Brain Training, Know brain age

All ratings234 ratings
Positive87.2%
Neutral6.4%
Negative6.4%
Written reviews338 reviews
Positive82.2%
Neutral9.8%
Negative8.0%

Primal Fun

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Brain Training, Know brain age

Reported bugs

2 issues
  • Help section not working
  • Incompatibility with older devices

Requested features

3 requests
  • More game variety
  • Option to save progress and sync across devices
  • Detailed breakdown of scores and performance

Primal Fun

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Brain Training, Know brain age

One-time1
  • Brain Training - Premium Edition (without ads)$1.99
1 purchases

Primal Fun

One-time1
  • Unlock All Games$2.99

Questions

Is Brain Training, Know brain age free?
Brain Training, Know brain age is free to download, with in-app purchases available.
Is Primal Fun free?
Primal Fun is free to download, with in-app purchases available.
Do Brain Training, Know brain age or Primal Fun have ads?
Brain Training, Know brain age shows ads; Primal Fun does not.
Which is updated more often, Brain Training, Know brain age or Primal Fun?
Brain Training, Know brain age ships an update every 3 months, and Primal Fun every 2 days. Most recently, Brain Training, Know brain age was updated on November 10, 2026 and Primal Fun on November 6, 2026.

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