An EPUB reader for Android that teaches while you read.
Open any EPUB from your phone, read it offline, and tap a word to see what it means without leaving the page. The words you save come back until you know them.
One email when we launch, nothing else. No spam.
- Import EPUBs from your device
- Reads fully offline
- Instant word definitions
- Free public-domain classics
What you get
Everything a good Android reader does, and one thing more.
Clean typography, offline files and your own library are table stakes. uSage adds the part that turns reading into learning.
Tap a word, keep reading
An instant definition and translation for the word as it is used in that sentence — no app switching, no copy-paste.
Vocabulary that reviews itself
Saved words come back on a spaced-repetition schedule, so the ones you keep forgetting appear more often.
Highlights and notes
Colour-code passages and add thoughts. Everything stays filed by book and chapter for later.
Full offline reading
Commutes, flights and dead zones are fine. Downloaded books need nothing from the network.
Free classics, ready to open
Public-domain titles are already in the library, so there's something to read the moment you install.
Import your own EPUBs
Bring files from storage, Drive or Downloads. DRM-free EPUB files open directly.
Offline first
Your books live on your phone.
Download a title once and the whole experience keeps working with the network off — the text, the word lookups you've already seen, your highlights, and the daily review of saved words.
When a connection comes back, everything you did syncs quietly in the background. Nothing to export, nothing to remember.
- 1
Add a book from the free library or import your own EPUB.
- 2
Read anywhere — tap words, highlight passages, write notes.
- 3
Come back online and your progress catches up on its own.
Questions
About reading EPUBs on Android.
Is uSage available on Android yet?
Not yet. uSage is in pre-launch and ships on Android and iOS at the same time. Join the early access list and you'll get one email the day the Android app is downloadable.
Can I open EPUB files I already have on my phone?
Yes. Import any EPUB from your Android device's storage, Google Drive or Downloads folder and it opens in the reader with word lookup, highlights and notes enabled.
Does the Android EPUB reader work offline?
Yes. Once a book is on your device, reading, word lookups, highlights and vocabulary reviews all work with no connection. Changes sync automatically the next time you're online.
Are there free books to read?
The app includes a curated library of public-domain classics you can start reading immediately, at no cost, alongside any EPUB you import.
Will my highlights follow me to another device?
Yes. Highlights, notes, saved words and reading position sync to your account, so an Android phone and a tablet stay in step.
Be first on Android.
One email the day uSage lands on Google Play. Nothing else.
One email when we launch, nothing else. No spam.