Trachtenberg Kids: Mental Math
Times tables & multiplication
Free · In‑App Purchases
Trachtenberg Kids turns multiplication into a superpower. Using the famous Trachtenberg system — the "speed math" once taught to engineers — your child learns to multiply big numbers in their head, no calculator needed.
Every lesson reveals a secret, walks your child through it step by step, then builds confidence with guided practice, free play, and a 60-second Speed Round. Friendly mascots and a "Show Off" mode keep them coming back.
WHAT YOUR CHILD LEARNS
• ×11 and ×12
• The halving family: ×5, ×6, ×7
• The complement family: ×9, ×8, ×4, ×3
• How to multiply 2-digit numbers in their head, left to right
HOW IT WORKS
• Watch the trick revealed with a fun animation
• Practice with step-by-step hints, then solo
• Beat the clock and build a streak
• Earn stars and unlock the next trick
MADE FOR FAMILIES
• One family account, a profile per kid — progress syncs across devices
• A grown-up area protected by a parent PIN
• No ads. No chat. No tracking.
FREE & PREMIUM
The ×11 trick is free. Unlock every trick with Trachtenberg Kids Premium — an auto-renewable subscription. It renews automatically unless cancelled at least 24 hours before the period ends; manage or cancel anytime in Settings > Apple ID > Subscriptions.
Privacy Policy: https://trachtenberg-kids.pages.dev/legal/privacy
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug fixes and improvements.
The developer, Hayde Tech Ltd, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- Identifiers
- Usage Data
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hayde Tech Ltd
- Size
- 51.6 MB
- Category
- Education
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - iPad
Requires iPadOS 16.4 or later.
- iPhone
- Languages
English and 15 more
- English, Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Spanish, Swedish, Traditional Chinese, Turkish
- Age Rating
4+
- 4+
- Made for Ages 9–11
This app is rated 4+ with content restrictions.
Some content may be rated higher, and may therefore be restricted and managed by the developer through in-app controls. - In-App Controls
Parental Controls
- In-App Purchases
Yes
- Premium - Monthly $9.99
- Premium - Yearly $29.99
- Copyright
- © Hayde Tech Ltd
