Una biblioteca flexible para tus materiales
Lee libros del catálogo o sube tus archivos PDF y EPUB.
Reúne tus materiales en la biblioteca y sigue tu progreso.
Explicaciones y repaso durante la lectura
Consulta una palabra cuando lo necesites sin salir del texto.
Guarda vocabulario para volver a él más tarde.
Aprende palabras mientras lees en la web
Con la extensión de Okuzeka para Chrome, pulsa una palabra de un artículo para entenderla en contexto. Selecciona expresiones breves y guarda vocabulario en las tarjetas de tu cuenta. Disponible en Chrome para ordenador.
Why readers choose Okuzeka as a Readlang alternative
Okuzeka goes beyond click-to-translate by combining a complete book reader, contextual AI, vocabulary practice, and native mobile apps in one platform.
| What to compare | Readlang | Okuzeka |
|---|---|---|
| Primary focus | Browser-oriented click-to-translate learning across web and imported content. | A complete AI reading platform centered on finishing full PDF and EPUB books. |
| Context help | Offers fast inline translation and AI context-aware explanations. | Explains the selected meaning from its sentence and supports phrases, idioms, phrasal verbs, translation, and pronunciation. |
| Vocabulary workflow | Creates flashcards from translated words and includes spaced repetition. | Turns words from real book sentences into personal cards that can be reviewed later in Okuzeka practice mode. |
| Native mobile apps | No native app according to Readlang's official support forum; its mobile-friendly web app can be added to a home screen. | Dedicated Okuzeka apps are available from both the Apple App Store and Google Play, alongside the web reader. |
| Book formats and library | Supports its online reader, imported content, and web reading workflow. | Builds one lasting personal library from supported PDF and EPUB uploads plus ready-to-read Okuzeka catalog books. |
| Long-form reader | Provides a clean online eReader designed for distraction-free reading. | Adds progress, notes, page navigation, theme, font, text size, and brightness controls for comfortable long sessions. |
| Language flexibility | Supports many target languages across its reading tools. | Offers 180+ options and lets readers choose the book language and explanation language independently. |
| Extra reading tools | Includes web reading, video, dictionaries, vocabulary management, and AI conversation features. | Unifies sentence translation, pronunciation, notes, cards, catalog discovery, reader customization, and cross-device progress. |
| Best fit | Learners who want web reading, imported content, and a broad practice workflow. | Readers who want native apps and the strongest possible workflow for understanding and finishing real PDF and EPUB books. |


