Comparison

10秒当てゲーム vs Time Just

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

Head to head
About

10秒当てゲーム

Features
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「だいたい10秒」を体で覚える、シンプルな感覚ゲームです。 ■ 遊び方 1. 画面をタップするとカウントアップが始まります 2. 最初の3秒間だけ数字が表示されます 3. 数字が消えたら、感覚だけを頼りに待ちます 4. ちょうど10秒だと思ったらもう一度タップ 誤差がミリ秒単位で判定され、3段階のランクで評価されます。 ■ 判定ランク ・PERFECT ― 誤差 0.20秒未満 ・GREAT ― 誤差 0.50秒未満 ・GOOD ― それ以上 ■ 特徴 ・プレイ履歴、平均誤差、ベスト記録をグラフで確認 ・3種類のレイアウト(Editorial/Pure/Ring)から好みで選択 ・ダーク/ライトテーマ対応 ・判定幅や表示時間は設定から自由にカスタマイズ可能 「自分は10秒の感覚が正確か?」一度気になったら止まらない、中毒性の高いゲームです。

About

Time Just

Features
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"Time Just!" is a simple yet addictive party game where you count down the specified number of seconds in your head and touch and release the screen at the exact moment. [Game Features] ■ Simple Rules Compete to see who can stop the screen most accurately at the specified number of seconds. It will test the precision of your internal clock! A special animation will play if you get a perfect 0.00 second hit…! ■ Multiplayer on One Smartphone Up to 10 people can play simultaneously on a single screen with friends and family! Guaranteed to liven up parties and get-togethers. ■ Penalty Roulette The loser with the worst timing faces a penalty game! A penalty roulette feature adds even more excitement to the game. ■ Ad-Free Option For those who want to play without distractions, an option to completely remove ads with a single purchase is available. [Recommended for these occasions] - As a little entertainment at drinking parties or other gatherings - To pass the time while waiting with friends - As a communication tool for family time - When you want to train your internal clock Now, let's prove the accuracy of your internal clock!

Screenshots

10秒当てゲーム4 screens
Time Just4 screens

Verdict

The call

The clearest difference is in-app purchases: 10秒当てゲーム at none against Time Just's 1. Time Just's advantage is update cadence (daily vs every 5 days). On price, ads, 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. Time Just sells 1 one-off in-app purchase. 10秒当てゲーム asks for nothing beyond the download.

UpkeepUpdate frequency

10秒当てゲーム ships an update every 5 days, Time Just daily. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 4 level
10秒当てゲーム versus Time Just: the parameters behind the verdict, then further details
Parameter10秒当てゲームTime Just
PriceFreeFree
Update frequencyEvery 5 daysDaily — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size20 MB26 MB
Age rating4+4+
DeveloperAtsushi IsaiTaiga Yanai

In-app purchases

None

10秒当てゲーム

No in-app purchases

1 purchases

Time Just

One-time1
  • Remove Ads (Permanent)$1.99

Questions

Is 10秒当てゲーム free?
10秒当てゲーム is free to download, with no in-app purchases.
Is Time Just free?
Time Just is free to download, with in-app purchases available.
Do 10秒当てゲーム or Time Just have ads?
Both 10秒当てゲーム and Time Just show ads.
Which is updated more often, 10秒当てゲーム or Time Just?
10秒当てゲーム ships an update every 5 days, and Time Just daily. Most recently, 10秒当てゲーム was updated on October 7, 2026 and Time Just on October 15, 2026.

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