The iOS App Is Live and Free
Companion Reader is free in supported App Store regions.
The current app has no subscriptions or in-app purchases. Any future plans will be announced separately.
This website does not offer external purchases for iOS digital membership.
Core Reading First
For the core flow: import, read, highlight, collect quotes and take notes.
- EPUB import and reading
- Highlights, quotes and notes
- Limited sync and AI features
Not Available for Purchase Yet
If a membership is introduced later, its benefits and price will be explained in the app and offered through Apple in-app purchase.
- AI chat and chapter extraction
- Higher upload and sync limits
- Restore purchase and subscription management
No External iOS Purchase
This site only provides product information, policies and support links. It does not process external iOS membership payments.
- Privacy policy and terms
- Support and account deletion guide
- App Store review support links
Mobile Reading, Cloud Sync
The iOS app is available in supported overseas regions.
The app is currently free, with no subscription or in-app purchase. Future membership plans are undecided.
Current iOS release
Basic Reading On the Go
Read, underline and take notes anytime, anywhere.
- Basic reading and note features
- AI requires your own API Key
- Limited usage quota
Full Experience, Cross-Device Sync
Higher limits, full AI access and Obsidian submit.
- AI chat and chapter extraction
- Cross-device reading progress sync
- Higher upload and sync limits
A Simpler Way to Use AI
Platform-connected AI may be offered later. Scope, limits and regions will be explained in the app.
- Platform handles AI integration
- Fair usage rules apply
- Price and launch date TBD
Desktop Purchase Is Not Open Yet
Current work prioritizes the reading experience in the released iOS app.
Windows and macOS will be reviewed after mobile stabilizes.
For future desktop versions
Desktop Activation Code
The desktop version will continue around the three-window deep reading workspace.
- Better for long-form organization
- Keeps a local-first direction
- Pricing and launch date TBD