FastReadi vs Ledor
FastReadi
fastreadi.comLedor
ledor.appSide by side
| Figure | FastReadi | Ledor |
|---|---|---|
| Price from | $3.33/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | Yes |
| Web | — | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | — | Yes |
| Plans published | 5 | 1 |
| Spec score · Speed Reading Apps | 8.9 (#2) | 8.7 (#3) |
| Languages | The app lists English, Spanish, French and Portuguese support for its study companion experience. | The interface is available in English and Brazilian Portuguese. |
| Offline use | The App Store description says the library works fully offline after login. | The app says it works without internet, with syncing optional and books and progress stored on the device. |
| Reading modes | Focus mode (RSVP) displays one word at a time, while Bionic Reading bolds the start of words; reading speed is adjustable from 100 to 800 WPM. | It includes RSVP, text-to-speech narration, and a traditional e-reader mode. |
| Sync | The Pro plan includes cloud sync across devices. | Optional Google Drive sync can carry the library, reading progress, bookmarks, ratings, sessions, and display settings across devices. |
| What it does | FastReadi combines speed reading, lecture recording and AI study tools in one app. | Ledor is an open-source speed reader for EPUB books and web articles using rapid serial visual presentation with an Optimal Recognition Point highlight. |
Plans
FastReadi
- FreeFree
- Pro$3.33 a month
- Monthly subscription$7.99 a month
- Annual subscription$39.99 a year
- Pro$39.99 a year
In their own words
FastReadi
FastReadi is an iOS app that brings speed reading, lecture capture and AI study tools together. Focus mode shows one word at a time, while Bionic Reading emphasizes the beginnings of words; reading speed can be adjusted from 100 to 800 WPM. The library supports EPUB, MOBI, PDF and TXT. The app records and transcribes lectures, keeps them alongside books, and supports voice notes on books. Its book chat answers from uploaded pages and cites the passages behind replies. Study tools include AI flashcards, spaced repetition, chapter summaries, quizzes, exam planning, a Study Hub and mastery tracking. The Free plan includes reading, recording and capture, plus a weekly allowance for AI summaries, quizzes, study guides and book chat; reading features remain free without a paywall. Pro costs $39.99 a year and includes unlimited AI summaries, quizzes, study guides, flashcards, book chat and lecture transcription, along with smart notes and cloud sync. The app supports offline use after login and lists English, Spanish, French and Portuguese. Apple's listing says identifiers and usage data may be used to track users across other companies' apps and websites; Apple notes this disclosure is unverified.
Ledor
Ledor is a free, open-source reader for RSVP, EPUB files, and web articles, available on Android, iOS, Linux, and the web. It offers RSVP, text-to-speech narration, and a traditional e-reader mode. Readers can import EPUBs or save articles by URL; Android users can also share a page with the app. Text-to-speech uses system voices, provides lock-screen controls, and supports speeds from 0.5× to 3×. Appearance settings cover colors, fonts, sizes, and positions, with light and dark themes and a live preview.
Ledor works offline, storing books and progress on the device. Optional Google Drive sync can carry the library, progress, bookmarks, ratings, sessions, and display settings across devices. The privacy policy says the app collects no data and has no analytics, ads, tracking, accounts, or servers of its own. Weekly and monthly reading charts and a shareable monthly recap are calculated on the device. The MIT-licensed free plan includes all features, with no ads or account required.