Koober
Dev perso en 20 min par jour
- RevenueEstimated monthly revenue
- $20K/ month/ mo
- DownloadsEstimated monthly downloads
- <1K+/ month/ mo
$10K
Estimated monthly revenue
<1K
Monthly downloads
- 3 Month Plan$23.99
- 12 Month Plan$64.99
- 12+1 Month Plan$64.99
- 12 Month Plan$39.99
- 12 Month Plan$69.99
- 6 Month Plan$47.99
- 12+1 Month Plan$39.99
- 12+3 Month Plan$54.99
- 12 Month Plan$59.99
- 6+1 Month Plan$47.99
- Released
- March 20, 2011
- Category
- Education, Productivity
- App Rating
- 4.8/5 (491 reviews) (opens in a new tab)
- Platform / Store
- iOS / App Store (opens in a new tab)
- Developer
- DMM.com LLC (opens in a new tab)
- App Name
- iKnow!
- Description
- Learn Japanese and Chinese
- Supported Languages
- English, Japanese
- Latest info update
- October 13, 2026
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Learning Japanese and Chinese is the purpose of iKnow!, which sells time-based plans: 3 months at $23.99, 6 months at $47.99 and 12 months at prices between $39.99 and $69.99. Bonus-month 12+1 and 12+3 versions are also listed. DMM.com LLC, a Japan-based company, released it in 2011. Estimated revenue is $10K a month, and 460 ratings average 4.8. The app supports 2 languages.
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