Comparison

NineSeconds vs Keep your reflexes

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

Head to head
About

NineSeconds

A minimalist puzzle game where players connect black dots to guide a green dot to a red target. It offers a simple yet engaging challenge for brain training. Enjoy a fun, ad-free experience with straightforward objectives.

Highlights
  • Connect black dots
  • Guide green dot to red dot
  • Minimalist puzzle design
  • Brain training challenge
  • Ad-free gameplay
Features
Read full description

Connect all the black dots, each only once, to move the green dot to the red dot. That's all, have fun!

About

Keep your reflexes

Features
Read full description

FlashFive is a fun training game that helps you boost your focus and improve your reaction speed! Five circles appear on the screen, and your goal is to tap the one that lights up within the time limit. The time gets shorter little by little, but don’t rush—take your time and enjoy the challenge. Your score is based on how many circles you tap correctly. Play at your own pace and steadily train your concentration while having fun. Try playing a little every day to refresh your mind and body!

Screenshots

NineSeconds2 screens
Keep your reflexes2 screens

Verdict

The call

The clearest difference is ads: NineSeconds at none against Keep your reflexes's shown. Keep your reflexes's advantage is update cadence (every 2 days vs every 14 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NineSeconds ships an update every 14 months, Keep your reflexes every 2 days. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

Scorecard2 real differences · 6 level
NineSeconds versus Keep your reflexes: the parameters behind the verdict, then further details
ParameterNineSecondsKeep your reflexes
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 14 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better15.6
Further details — not scored
Size3 MB5 MB
Age rating4+4+
DeveloperBin HuaMasaharu Tsukamoto

In-app purchases

None

NineSeconds

No in-app purchases

None

Keep your reflexes

No in-app purchases

Questions

Is NineSeconds free?
NineSeconds is free to download, with no in-app purchases.
Is Keep your reflexes free?
Keep your reflexes is free to download, with no in-app purchases.
Do NineSeconds or Keep your reflexes have ads?
Keep your reflexes shows ads; NineSeconds does not.
Which is updated more often, NineSeconds or Keep your reflexes?
NineSeconds ships an update every 14 months, and Keep your reflexes every 2 days. Most recently, NineSeconds was updated on September 22, 2026 and Keep your reflexes on September 26, 2026.

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