ガチ2桁九九 - 暗算トレーニング
Education
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
ガチ2桁九九は、2桁×2桁の暗算力を集中的に鍛えるトレーニングアプリです。
11の段から15の段までを無料で練習でき、答えを入力しながらテンポよく反復できます。正答率、平均タイム、練習数を記録し、日々の成長を確認できます。
プレミアム機能では、16の段以降、20〜99の段、ランダム2桁×2桁、平方数モード、苦手問題トレーニングを解放できます。
暗算を速くしたい人、計算の基礎力を鍛えたい人、2桁九九をゲーム感覚で反復したい人に向けたアプリです。
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, kotobaz, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- kotobaz
- Size
- 24.8 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- プレミアム解放 $2.99
- Copyright
- © 2026 kotobaz
