EPUB Reader: Duotext
Translate Books & Learn
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Read books in another language with translation under every line. On-device, offline, private. Three classic stories included — start reading in a minute.
Duotext is a book reader with subtitles: the original line on top, its translation right underneath — with the same on/off toggle you know from video players.
16 CLASSIC READS IN YOUR LIBRARY
• Three complete starter texts, free to read.
• The English language setting starts with three French fables by Jean de La Fontaine, with ready-to-read English translations.
• Other language settings start with English stories by Kate Chopin, O. Henry and Oscar Wilde.
• Thirteen more texts with Pro: French stories by Maupassant and fables by La Fontaine for the English language setting; English stories, including four by Saki, for other settings.
TRANSLATION THE WAY YOU WANT IT
• Tap to translate — free, in every book: touch the mark after a sentence and its translation appears
• Always-on translation under the text, with no tapping at all — with Pro
• Choose how the text is split: by line, by sentence, or by paragraph — with Pro
• Tap a single word to see what it means in that exact sentence
BUILD VOCABULARY FROM REAL BOOKS
• Press and hold a sentence to save a word together with the context you met it in
• Free: up to 20 saved words. Pro: an unlimited dictionary
BRING YOUR OWN BOOKS — WITH PRO
• Import EPUB and TXT files
• Paste any text
• Save an article from the web by link
A READER FIRST
• Six reading themes, serif, sans serif and rounded fonts, adjustable type size — all free
• Covers, reading progress, and your place in the book
• Your books stay on your device
HOW TRANSLATION WORKS
Duotext uses the translation built into iOS, so text is translated on your iPhone. The first time you use a language pair, iOS downloads that language model, which needs an internet connection; after that, translation runs on your device. You can translate into the languages your device supports for translation. No account, no sign-up.
WHAT IS FREE AND WHAT IS PRO
Free: 3 complete stories, tap to translate in any book, up to 20 saved words, and every theme, font and type size.
Duotext Pro adds: 13 more stories, always-on translation under every line, the by line / by sentence / by paragraph layouts, importing your own EPUB and TXT files, pasted text and links, and an unlimited dictionary.
SUBSCRIPTION AND PURCHASE
Duotext Pro is available as a yearly subscription for US$14.99 with a 3-day free trial, or as a one-time Lifetime purchase for US$24.99.
• Payment is charged to your Apple Account at confirmation of purchase.
• The subscription renews automatically unless auto-renewal is turned off at least 24 hours before the end of the current period. Your Apple Account is charged for renewal within 24 hours before the end of the current period.
• You can manage your subscription and turn off auto-renewal in your Apple Account settings.
• Any unused portion of a free trial period is forfeited when you purchase a subscription.
• Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
• Privacy Policy: https://artsaverin-star.github.io/legal/duotext/privacy.html
A shorter introduction, new classic stories, and French starter fables with English translations. Improved library accessibility.
The developer, Iaroslav Saverin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Iaroslav Saverin
- Size
- 16.6 MB
- Category
- Education
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 11 more
- English, French, German, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian
- Age Rating
13+
- 13+
- Infrequent
Cartoon or Fantasy Violence
Realistic Violence
Mature or Suggestive Themes
Horror/Fear Themes
Alcohol, Tobacco, Drug Use or References
Guns or Other Weapons
- In-App Purchases
Yes
- Lifetime $14.99
- Yearly $4.99
- Copyright
- © 2026 Iaroslav Saverin