Comparison

Othello for all vs 1秒リアクションアクター

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

Head to head
About

Othello for all

Play the classic Othello board game against AI or other players online. Features include adjustable computer difficulty, online multiplayer, and a grading system that unlocks new boards. A premium subscription offers ad-free play and faster progression.

Highlights
  • Online multiplayer battles
  • Play against AI with 30 difficulty levels
  • Grading system with unlockable boards
  • Friend battles
  • Hint and undo functions
  • Save and replay game records
Features
Read full description

▼ Play the 【Official Othello App】 for free! ▼ Play against the computer or in online battles – both options are available! ▼ Play against distant friends in friend battles! Let's all enjoy Othello!! ■ Online Battles <New Feature> We've added "Online Battles" where you can compete against Othello players nationwide! In addition to a mode where your rating changes, we also offer "Friend Battles" where you can freely play against friends. (*Friend Battles require linking with an AI Game account) ■ Grading System <New Feature> Playing against the computer converts your score into experience points! As you accumulate experience, your grade increases, and you can unlock special Othello boards! Also, your grade will be displayed in the rankings, so be sure to give it a try. ■ 30 Levels of Difficulty There are 30 levels of computer difficulty! Choose your preferred level to compete. ■ Other Features ・Single-player against the computer, two-player against another person ・Handicap function (start with 1-4 black stones in the corners) ・Hint function ・Undo function ・Save and load game records ・Replay game records ■ About Premium Membership (Subscription) Premium Membership is a recurring subscription-based service that incurs a monthly fee. Payment will be charged to your Apple ID account. ○ Benefits of Premium Membership ・Automatically score higher without watching videos! ・Speed up grade progression with login bonuses! ・Enjoy ad-free, smooth gameplay! ○ Subscription Renewal and Billing Premium Membership subscriptions are set to "auto-renew". The subscription will automatically renew unless canceled at least 24 hours before the end of the current period. ○ About Payment Subscription payment will be charged to your iTunes account. The charge for auto-renewal will occur within 24 hours prior to the end of the current subscription period and will be billed to your iTunes account. ○ Cancelling Subscription 【In-app Procedure】 From the title screen, select "Premium Member Management" -> "Check Subscription/Cancellation" 【iOS Device Procedure】 Go to "Settings" -> Your Account Name "Apple ID, iCloud, Media & Purchases" -> "Subscriptions" ※ Prorated charges based on the day of usage, cancellation, and refund of the subscription period are not available. ※ Even if you cancel your regular subscription, you can enjoy the benefits of Premium Membership until the end of the current period. ■ Privacy Policy https://www.unbalance.co.jp/eula/ja/othellominnaPremium/ ■ User Agreement https://www.unbalance.co.jp/privacy/ja/othellominna/

About

1秒リアクションアクター

Features
Read full description

『1秒リアクションアクター』は、お題A/Bのどちらかを1秒のリアクションだけで演じ、ほかのプレイヤーがどちらのお題だったかを当てる対面パーティーゲームです。 【遊び方】 1. 3〜8人の名前を入力 2. 演者だけが秘密のお題を確認 3. カウントに合わせて1秒でリアクション! 4. ほかのプレイヤーはA/Bのどちらかに投票 5. 正解数に応じて得点。最後にランキング発表! 【こんな場面におすすめ】 ・友達との集まりやパーティー ・家族で過ごす時間 ・旅行や待ち時間の暇つぶし ・初対面同士のアイスブレイク 複雑なルールやアカウント登録は不要。端末1台を順番に手渡すだけで遊べます。短いお題とテンポの良い進行で、演技が得意でも苦手でも自然に盛り上がります。 あなたの1秒の演技は、みんなに伝わる?

Screenshots

Othello for all4 screens
1秒リアクションアクター4 screens

Verdict

The call

The clearest difference is in-app purchases: 1秒リアクションアクター at none against Othello for all's 2. 1秒リアクションアクター also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads 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. Othello for all sells 2 in-app purchases, starting at $0.99 per month. 1秒リアクションアクター asks for nothing beyond the download.

UpkeepUpdate frequency

Othello for all ships an update every 3 months, 1秒リアクションアクター every 5 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
Othello for all versus 1秒リアクションアクター: the parameters behind the verdict, then further details
ParameterOthello for all1秒リアクションアクター
PriceFreeFree
Rating4.7 (19 ratings) — better—
Positive reviews36.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size265 MB33 MB
Age rating4+4+
DeveloperUNBALANCE CorporationMasaaaki Sasaki

In-app purchases

2 purchases

Othello for all

Subscriptions2
  • プレミアムメンバー登録7 Days trial$0.991 Month
  • プレミアムメンバー登録1 Month trial$2.991 Month
None

1秒リアクションアクター

No in-app purchases

Questions

Is Othello for all free?
Othello for all is free to download, with in-app purchases available.
Is 1秒リアクションアクター free?
1秒リアクションアクター is free to download, with no in-app purchases.
Do Othello for all or 1秒リアクションアクター have ads?
Both Othello for all and 1秒リアクションアクター show ads.
Which is updated more often, Othello for all or 1秒リアクションアクター?
Othello for all ships an update every 3 months, and 1秒リアクションアクター every 5 days. Most recently, Othello for all was updated on November 1, 2026 and 1秒リアクションアクター on October 29, 2026.

Other comparisons