An unfamiliar word shouldn’t pull you out of a good book. Point your iPhone camera at a word, find its meaning, and keep reading. No typing needed.
Find the meaning that fits the sentence
Words can mean different things in different sentences. On supported devices, Booktionary uses the surrounding text to help bring the relevant dictionary meaning first. Explore other dictionary meanings whenever you need.
Read English with more confidence
Add word translations alongside English definitions. You can also choose translated definitions for supported destinations, then switch between English and the translation. Download the resources you need before reading.
Download once. Read offline.
English definitions are built in. Download additional dictionaries, word translations and any required definition-translation models, then use the installed resources offline. No account required. Camera images and recognized words stay on your iPhone.
One purchase, all available dictionaries and word translation packs. No subscription or in-app purchases.
Book dictionaries in 24 languages
Chinese (Simplified and Traditional), Czech, Danish, Dutch, English, French, German, Indonesian, Italian, Japanese, Korean, Kurdish (Kurmanji, Latin script), Malay (Rumi), Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Thai, Turkish, Ukrainian and Vietnamese.
Word translations for English books are available in the non-English languages listed above, plus Greek. Greek book scanning is not supported. Kurdish covers Kurmanji in Latin script, not Sorani; Malay covers Rumi, not Jawi.
A few things to know
Choose the book language, point at a word and pause briefly. Swipe the definition away to continue. Dictionary and word-translation coverage varies by word and language. Internet access is needed to browse and download language resources.
Contextual matching requires iOS 26 or later with Apple Intelligence available and depends on language support. If no contextual match is available, the standard dictionary definition appears. Translated definitions require iOS 18 or later and compatible language models; availability varies by device and iOS version. Czech, Romanian, Greek, Kurmanji and Malay currently offer word translations only.
Requires an iPhone with iOS 17 or later.
+3
