Comparison

Brain Training AHA vs ビックリ効果音

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

Head to head
About

Brain Training AHA

Features
Read full description

Stimulate Your Brain with ‘Aha!’ Moments! A Puzzle Game That Challenges You to Spot Gradual Changes in Images The exhilarating “Aha!” moment will have you hooked! A new kind of “spot the difference” brain-training puzzle game that stimulates your vision and brain! Experience the “Aha!” moment—where parts of an image gradually change—right in the palm of your hand. At first glance, they look like ordinary photos or illustrations… but something is slowly changing somewhere!? Sharpen your focus and spot the moment the change happens! ◆ Game Features The Satisfying “Aha!” Experience The exhilaration you feel the moment you notice the change after staring intently at the screen is unbeatable! It’s perfect for brain activation (brain training). A wealth of levels for everyone from beginners to experts Features a wide variety of challenges, including beautiful landscapes, cute illustrations, and scenes from everyday life! Quick play during spare moments Each level takes just a few dozen seconds to complete, making it perfect for commuting, on the way to school, or as a quick break to clear your head! ◆ Recommended for: ・Those who enjoy brain training, quizzes, and puzzle games ・Those who want to experience the thrill of an “Aha!” moment ・Those who want to improve their concentration and observational skills ・Those who are good at or enjoy spot-the-difference games ・Those looking for a free, casual game to pass the time So, can your brain spot the differences? Download now and enjoy the ultimate “Aha!” experience!

About

ビックリ効果音

Features
Read full description

This is a sound effects app that will surprise you with a variety of sounds. You can use the timer setting to prank people. There is a wide variety of sounds to choose from, including farts, horror sounds, screams, and environmental sounds! We have a wide variety of sounds available. We hope you enjoy using it.

Screenshots

Brain Training AHA3 screens
ビックリ効果音3 screens

Verdict

The call

The clearest difference is ads: Brain Training AHA at none against ビックリ効果音's shown. Brain Training AHA also leads on iOS requirement (15.0 vs 26.0). ビックリ効果音's advantage is update cadence (every 5 weeks vs every 33 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Brain Training AHA ships an update every 33 months, ビックリ効果音 every 5 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 4 level
Brain Training AHA versus ビックリ効果音: the parameters behind the verdict, then further details
ParameterBrain Training AHAビックリ効果音
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 33 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size22 MB33 MB
Age rating4+9+
Developeryuzuru watanabeToshiyuki Susa

In-app purchases

None

Brain Training AHA

No in-app purchases

None

ビックリ効果音

No in-app purchases

Questions

Is Brain Training AHA free?
Brain Training AHA is free to download, with no in-app purchases.
Is ビックリ効果音 free?
ビックリ効果音 is free to download, with no in-app purchases.
Do Brain Training AHA or ビックリ効果音 have ads?
ビックリ効果音 shows ads; Brain Training AHA does not.
Which is updated more often, Brain Training AHA or ビックリ効果音?
Brain Training AHA ships an update every 33 months, and ビックリ効果音 every 5 weeks. Most recently, Brain Training AHA was updated on October 2, 2026 and ビックリ効果音 on October 11, 2026.

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