Comparison

ぐらぐら島 vs Flick Letters Brain Training

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

Head to head
About

ぐらぐら島

Features
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回転ぐるぐる脳トレ「ぐらぐら島」へようこそ\(^o^)/ 簡単操作のブロックパズルであなたの脳年齢を診断します。 遊び方は簡単です。 ブロックパズルの配置を覚えて 回転後に同じ位置をタップしてください。 簡単なゲームなので子供から大人まで楽しめます。 1日1回のプレイで脳が活性化されますよ。 あなたの脳は何歳ですか??

About

Flick Letters Brain Training

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Find it, tap it, flick it! Flick Letters Brain Training is a quick and satisfying tap & flick brain workout. Spot the target letter, tap, then flick in the correct direction—simple controls, instant focus. How to play - Find the target letter and tap - Flick Up / Right / Down / Left as instructed - Fast, intuitive, and surprisingly addictive. Two ways to play - Stage: Clear 30 stages and move on to the next. It gets harder as you progress—fewer mistakes is the key. - Score Attack: Endless prompts within a time limit. Stay accurate, answer more, and aim for a high score. 3 Brain Modes - Spatial: Read positions and directions at a glance. - Attention: Follow the cue quickly—don’t miss the signal. - Memory: Remember what you saw and flick the same direction. Compete worldwide Score Attack includes leaderboards for each mode. Challenge players around the world. Track your stats Not just stage progress and best scores—check your accuracy, response time, and total plays too. Enjoy watching your skills improve.

Screenshots

ぐらぐら島3 screens
Flick Letters Brain Training4 screens

Verdict

The call

The clearest difference is update cadence: Flick Letters Brain Training at every 3 days against ぐらぐら島's every 4 months. ぐらぐら島's advantage is iOS requirement (11.0 vs 14.0). On price, ads, 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

ぐらぐら島 ships an update every 4 months, Flick Letters Brain Training every 3 days. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 5 level
ぐらぐら島 versus Flick Letters Brain Training: the parameters behind the verdict, then further details
Parameterぐらぐら島Flick Letters Brain Training
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 4 monthsEvery 3 days — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better14.0
Further details — not scored
Size194 MB117 MB
Age rating4+4+
DeveloperZERONETSUBASA MIZUNO

In-app purchases

None

ぐらぐら島

No in-app purchases

None

Flick Letters Brain Training

No in-app purchases

Questions

Is ぐらぐら島 free?
ぐらぐら島 is free to download, with no in-app purchases.
Is Flick Letters Brain Training free?
Flick Letters Brain Training is free to download, with no in-app purchases.
Do ぐらぐら島 or Flick Letters Brain Training have ads?
Both ぐらぐら島 and Flick Letters Brain Training show ads.
Which is updated more often, ぐらぐら島 or Flick Letters Brain Training?
ぐらぐら島 ships an update every 4 months, and Flick Letters Brain Training every 3 days. Most recently, ぐらぐら島 was updated on October 25, 2026 and Flick Letters Brain Training on October 13, 2026.

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