Knock Knock: Who’s There?
Fun English words for kids
$0.99 · Designed for iPad. Not verified for macOS.
A fun and safe way for toddlers to learn English words.
Knock Knock is a simple and fun educational game designed for children aged 1–5.
Children learn basic English words through playful sounds and interactions in a completely safe environment.
• Designed for toddlers and preschoolers
• Teaches basic English words
• No ads, no in-app purchases
• No data collection
Perfect for parents who want a safe and engaging learning experience for their children.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
What’s New
Expanded content: now 250+ surprise items
Refreshed visual design
New background music
Minor fixes and performance improvements
The developer, Izzet Ubeydullah Arpaci, 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
- Izzet Ubeydullah Arpaci
- Size
- 11.2 MB
- Category
- Education
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Made for Ages 0–5
- Copyright
- © 2026 Izzet Ubeydullah Arpaci

