Octobo: English Vocabulary
Learn Words. Remember More.
Only for iPhone
Free
iPhone
Build a vocabulary habit that lasts with Octobo.
Study with swipeable flashcards, reveal clear English definitions and examples, and hear pronunciation when you need it. Words you miss automatically move into your personal Learning list, where focused quizzes help you turn weak words into progress.
Choose from practical vocabulary packs for everyday English, beginner study, work, travel, SAT, IELTS, and more. Smart review scheduling brings words back at the right time so you can remember them for longer.
With Octobo you can:
• Learn with fast, gesture-based flashcards
• Review missed words in one place
• Practice mixed quizzes built from your weak words
• Track streaks, accuracy, mastery, and daily activity
• Set a daily learning goal and optional reminders
• Sync progress securely across devices with your account
Octobo is designed for short, consistent study sessions with no ads, subscriptions, or in-app purchases.
SAT and IELTS packs are unofficial study resources and are not affiliated with or endorsed by their respective trademark owners.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Meet Octobo 1.1:
• Switch between Light and Dark themes.
• Explore redesigned Packs with new artwork and filters.
• Earn points from quizzes and daily goals, with new streak and achievement celebrations.
• Hear clearer word pronunciation and report word issues directly from Learning.
• Enjoy smoother flashcard swiping, improved account and support settings, and stability fixes.
The developer, EREN ARDA COLAK, 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:
- Contact Info
- User Content
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- EREN ARDA COLAK
- Size
- 34.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Realistic Violence
Profanity or Crude Humor
Mature or Suggestive Themes
Alcohol, Tobacco, Drug Use or References
Guns or Other Weapons
- Copyright
- © 2026 Eren Arda Çolak