01CONTROL
Your pace, without breaking flow.
Hold to read and release to pause, or switch to hands-free. Drag up or down mid-read to tune speed without opening a menu or losing your place.
Free & open sourceRead more.
RSVP READER FOR APPLE DEVICES
Read more.
Move less.
Strobe is a local-first speed reader that turns PDFs, EPUBs, and text into a focused stream—one anchored word at a time.
IPHONEIPADMAC100–1,000 WPM
LIVE READERHOLD · DRAG · RELEASE
Live demo — hold to read
FREEFree on the App Store
5 INPUTSPDF, EPUB, TXT, MD, paste
0 DATACollected by the app
OPENSource code on GitHub
Each word arrives at the same focal point, so your eyes can stay with the text.
focus
Words change. Your focal point does not.
02 / FEATURES
Built for reading throughput.
Hold, drag, search, change chapters, and resume without losing your position in the document.
100–1,000 WPM
02FOCUS
A fixed point for every word.
Strobe aligns each word around its highlighted Optimal Recognition Point, reducing horizontal eye travel and keeping attention anchored.
03PACING
Timing that reads the room.
Smart timing gives longer words, punctuation, sentence endings, and cognitively complex language the extra beat they need.
04NAVIGATION
Fast never means lost.
Open the passage, search words or phrases, jump between matches, browse chapters, and resume from the exact word you left.
05PRIVACY
Your books stay your books.
Files are processed on-device. No account, no analytics, no document uploads, and no behavioral profile hiding behind the reader.
03 / WORKFLOW
From document to reading in three steps.
- 01
Drop it in
Import a PDF, EPUB, TXT, Markdown file, or paste text directly.
- 02
Set the rhythm
Choose your speed, font, text size, and smart timing preferences.
- 03
Lock on
Hold to read or tap for hands-free playback. Strobe remembers your progress.
PDFEPUBTXTMARKDOWNPASTED TEXT
04 / USE CASES
Your serious reading pile.
Strobe is for the material you want to understand and finish—not just skim past.
Research papers
Move through abstracts, methods, and source material without letting dense paragraphs turn into visual noise.
Course reading
Turn assigned chapters and PDFs into intentional reading sessions with a visible pace and a saved position.
Long-form backlog
Give saved essays, reports, manuscripts, and pasted text a focused lane instead of another forgotten tab.
05 / PRIVATE BY DEFAULT
Your reading is nobody else's business.
Strobe processes imported documents and stores your progress on your device. There are no accounts, analytics SDKs, document uploads, ads, or tracking profiles.
ON-DEVICE PROCESSINGNO ACCOUNTNO ANALYTICS
Read the privacy policy 06 / GUIDES
Understand the mechanics of RSVP reading.
RSVP, ORP, and document-reading techniques explained in plain language.
RSVP · 7 MIN
How RSVP reading works
How one-word presentation works, where it helps, and how to start without outrunning comprehension.
PDF READING · 5 MINRead PDFs faster without losing the thread
A repeatable process for research papers, reports, and long documents.
WORD ALIGNMENT · 6 MINHow the Optimal Recognition Point works
Why RSVP readers highlight a central letter—and what that anchor actually does.
SOURCE AVAILABLE ON GITHUBRead the code.
Read the code.
Change the code.
Strobe's source is public. Inspect how documents are handled, report an issue, request a feature, or build on the project.
View source on GitHub07 / FAQ
Files, privacy, pace, and access.
An RSVP reader presents text one word or phrase at a time in a fixed position. By reducing the need to scan across lines, it can help some readers move through text with fewer eye movements and more deliberate focus.
Give your eyes
one place to be.
Download Strobe iPhone · iPad · Mac · No account required