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Feature
AI ProductivityReadwise Reader
Open AI →
AI VideoKling AI
Open AI →
AI VideoRunway
Open AI →
PricePaidFree + PaidFrom $15/month
Free plan— No✓ Yes✓ Yes
Free trial— No— No— No
API— Not available✓ Available✓ Available
PlatformsWeb, Windows, macOS, iOS, and AndroidWeb, iOS, and AndroidWeb and iOS
LanguagesMultilingualEnglish, Chinese, JapaneseEnglish, Multilingual
Commercial use✓ Yes✓ Yes✓ Yes
Best forReading, highlighting and revisiting researchShort product and social videosProfessional video production
Top features
✓ Read It Later✓ PDF Reading✓ Highlights✓ AI Reading Assistant
✓ Image-to-Video✓ Text-to-Video✓ 10s clips✓ Commercial Use✓ Video Editing✓ AI Avatars
✓ Text-to-Video✓ Image-to-Video✓ Video Editing✓ API✓ AI Avatars
DetailsView full detailsView full detailsView full details
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How to choose

Start with Readwise Reader for reading, highlighting and revisiting research. Compare current plan limits, commercial rights and exports on each official website before subscribing.