Iterio: AI English Tutor
Grammar & Speaking Practice
Only for iPhone
Free · In-App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Practice Grammar and Speaking with your AI English tutor, get lesson scores, and improve each topic with unlimited practice.
Iterio helps you improve English with a personalized AI tutor for Grammar and Speaking practice, lesson scores, and unlimited practice for every topic.
Whether you want to strengthen the basics, speak more confidently, or work on more advanced structures, Iterio gives you a clear and guided way to improve step by step.
Iterio is built with input from linguists and translators to make English practice more natural, structured, and effective.
Choose your teacher, start with a short lesson, and keep practicing until the topic feels natural.
What you get in Iterio:
• Grammar mode – learn clearly with short explanations and guided exercises
• Speaking mode – practice with your AI teacher through lessons that grow from everyday communication to advanced topics
• 3D AI teachers – choose the teacher that fits you best
• Lesson scores – see how you did after each lesson
• Speaking scores – track performance across key speaking skills
• Unlimited practice – keep training each topic until you reach mastery
• Structured learning – follow a clear lesson path from beginner to advanced
• Content library – access 90 Grammar lessons and 95 Speaking lessons
Iterio is designed for learners who want a more personal, guided, and measurable way to improve their English.
Subscription & Trial
Iterio offers a 7-day free trial with subscription plans for 1 month, 3 months, and 12 months.
Subscription details, billing terms, and renewal information are shown clearly in the app before purchase.
Terms of use: https://roboteacher.app/terms_of_use.html
Privacy policy: https://roboteacher.app/privacy_policy.html
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Minor improvements and under-the-hood updates to enhance app stability and performance.
The developer, ROCKET DEVELOPMENT GROUP LLC, 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 Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- ROCKET DEVELOPMENT GROUP LLC
- Size
- 51.3 MB
- Category
- Education
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 24 more
- English, Arabic, Czech, Dutch, Filipino, Finnish, French, German, Hebrew, Hindi, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- AI Teacher – 12 Months USD 149.99
- AI Teacher – 6 Months USD 89.99
- AI Teacher – 1 Month USD 24.99
- Copyright
- © Rocket Development Group