Gravity
6.5#14 in language immersion appsFrom $8.99 a monthAndroidiOSmacOS
VisitGravity vs Lector
What both publish
| Fact | Gravity | Lector |
|---|---|---|
| Integrations | Gravity’s privacy policy names Google sign-in, AI services from OpenAI and Google Cloud AI, and billing through Apple, Google Play, RevenueCat, or Stripe. | The documentation lists AnkiConnect, Claude or OpenAI-compatible AI servers, optional Google Cloud Text-to-Speech, and Docker. |
| Product | Gravity turns Japanese videos, music, podcasts, and captured text into personalized language-learning material. | Lector is an open-source language-learning reader for learning through imported texts and media. |
Gravity plans
- special offer$4.99, paid once
- Fluency$6.99, paid once
- Immersive Monthly$8.99 a month
- Immersion$14.99, paid once
- Polyglot$69.99, paid once
Lector plans
- FreeFree
- Self-hostedFree
- Cloud$5 a month
- Cloud Plus$12 a month
Pick Gravity if…
It suits travelers, immigrants, expats, partners of native speakers, students abroad, and Japanese learners at any level.
Pick Lector if…
Lector suits language learners who want to study from books, web text, transcripts, or podcasts and practice vocabulary over time. Self-hosting may suit readers who want data stored on their own hardware and can bring their own AI keys or use a local model.