Lexo vs Kindle: reading with a dictionary, or at your level?
Read the original on Kindle with a dictionary and Word Wise, or a classic rewritten at your level in Lexo? What each does well, and when to switch.
A Kindle with a good dictionary is how many advanced learners read: the real book, unabridged, with any word a long press away. Lexo takes a different route to the same goal. It rewrites classic novels at your level in the language you’re learning, narrates them, and explains each word in the sentence you found it in.
This page compares the two honestly. We make Lexo, so read it with that in mind. It reflects Kindle’s features as of October 2026; Amazon adds and changes features often, so check its help pages for what your device supports.
The short answer
If you’re a confident reader (around C1 or above) and want the book exactly as the author wrote it, read it on Kindle. The choice of books is enormous, e-ink is easy on the eyes, and the built-in dictionaries help with the words you don’t know. If you’re below that level, the original will mostly be a sequence of lookups, and that’s where Lexo fits: the same classic rewritten at A2, B1, B2 or C1, narrated in full, with a meaning for every word in its context. The two work well in sequence: Lexo to climb, Kindle once you’ve arrived.
At a glance
| Kindle with a dictionary | Lexo | |
|---|---|---|
| What you read | Almost any book in Amazon’s store, unabridged, in the editions publishers sell | About 100 classics, rewritten at your level |
| Levels | The original only | CEFR A2, B1, B2, C1 (lightly condensed) and C2 (the complete novel) |
| Help with words | Press and hold a word for a dictionary definition (monolingual or bilingual dictionaries); translate selected words and phrases | Tap any word: its meaning in this sentence, base form, part of speech, idiom, and a translation of the whole sentence |
| Easier-reading aid | Word Wise: short hints above harder words, in many English-language books | The level itself |
| Audio | With the matching Audible audiobook, the text highlights as the narrator reads (Immersion Reading) | The whole book narrated, with character voices and word-by-word highlighting; every word playable |
| Saved words | Vocabulary Builder on Kindle e-readers, with flashcards | A Words list you can go back over; no spaced repetition |
| Offline | Yes, once a book is downloaded | Yes, once a book is downloaded |
| Devices | Kindle e-readers, Fire tablets, and Kindle apps for iPhone, iPad and Android | iPhone and iPad (iOS 18 or later) |
| Your place across devices | Synced through your Amazon account | Not synced |
| How you pay | Buy books one at a time; public-domain classics are also free from sites such as Project Gutenberg | $4.99 a book, or Lexo Plus at $4.99 a month for two book credits (planned US launch prices) |
| Can you use it today? | Yes | Not yet; in beta, launching on the App Store soon |
What Kindle does well
Kindle’s great advantage is the book itself. You read the real thing, unabridged, from an enormous catalog that includes books in many languages. A Kindle e-reader’s e-ink screen is comfortable for long sessions, and your place follows you between your Kindle and the Kindle app on your phone.
Kindle also has useful tools for learners:
- Dictionaries. Press and hold a word for its definition. Kindle dictionaries can be monolingual or bilingual, and on Kindle e-readers you can choose which dictionary to use for each language.
- Translation. Select a word or phrase and translate it into another language.
- Vocabulary Builder. On Kindle e-readers, the words you look up are collected with the sentence you found them in, and you can review them as flashcards.
- Word Wise. In many English-language books, Word Wise shows short, simple hints above harder words, and a slider sets how many you see. It works on Kindle e-readers and some Kindle apps (Amazon’s help pages list which). It’s a genuine help for learners of English; it doesn’t cover books in other languages.
- Reading along. If you own both the Kindle book and the matching Audible audiobook, Immersion Reading highlights the text as the narrator reads (in the Audible app and on Fire tablets), and Read & Listen, formerly Whispersync for Voice, keeps your place when you switch between reading and listening.
Many public-domain classics are free from Project Gutenberg in Kindle-friendly formats, so the original of a book you’ve read in Lexo often costs nothing to try. (Project Gutenberg follows US copyright law, so check the rules where you live.)
The problem with the original, and how Lexo approaches it
The difficulty with reading originals early isn’t willpower. It’s arithmetic. Hu and Nation (2000, “Unknown vocabulary density and reading comprehension”) found that most readers needed to know about 98% of the words in a story to understand it adequately without help, and Paul Nation (2006) estimated that this takes 8,000 to 9,000 word families for ordinary written text. Knowing 95% of the words sounds like a lot, but it means one unknown word in twenty, which on a page of Jane Eyre is a lookup every other line. The dictionary turns reading into decoding. Day and Bamford (1998, Extensive Reading in the Second Language Classroom) argue for the opposite experience: lots of reading, in material comfortably within your ability. Our piece on the 98% rule explains the numbers.
Lexo’s answer is to change the book rather than the reader. Each classic exists at five levels. At A2 and B1 the story is retold in common words and shorter sentences. At B2 more of the texture returns. At C1 it’s close to the original, lightly condensed, and at C2 it’s the complete novel. You choose the level per book, so you can read Pride and Prejudice at B2 and something easier at B1.
When you do meet a word you don’t know, tap it. The card shows what the word means in this sentence, not every sense the dictionary lists. If you tap bank in “they walked along the bank”, you get the side of a river, not the place that keeps your money. It also shows the base form and part of speech, the meaning of any idiom the word belongs to, and a translation of the whole sentence into your own language. The whole book is narrated, with different voices for different characters, and the words are highlighted as they’re read.
Two things to be clear about. Lexo’s adaptations, glosses and narration are produced with AI models, guided by the CEFR level descriptors and checked automatically. And Lexo’s shelf is small next to Kindle’s: about 100 public-domain classics, though each can be read in about 80 languages and at every level. Most editions are written on request, so if you’re the first reader of a book in your language and level, chapter 1 takes a few minutes and the rest follows while you read.
A path from one to the other
Lexo and Kindle work well in sequence:
- Read a classic at your level in Lexo, with the narration on. Tap freely.
- Read it again a level up when the first edition starts to feel easy.
- Read the original on Kindle once C1 feels comfortable. Because you know the story, the extra difficulty of the original is manageable, and the dictionary becomes an occasional help rather than a crutch.
If you already read comfortably in the original, Kindle on its own is the simpler choice.
Who should choose Kindle
- You read comfortably at around C1 or above and want the book exactly as the author wrote it.
- You want a particular book, especially a modern one. Kindle’s store is vast; Lexo’s shelf is about 100 public-domain classics.
- You’re learning English. Word Wise gives just enough help to keep you reading many English-language books in the original.
- You prefer e-ink, or you read on Android, or across several devices.
- You want to read along with an Audible audiobook of the same edition, and you’re happy to buy both.
- You like reviewing words as flashcards, with Vocabulary Builder on a Kindle e-reader.
Who should choose Lexo
- You’re between A2 and C1 and the original is still mostly lookups. Lexo gives you the book at a level you can read for the story.
- You want help in context. Each tap explains the word as it’s used in that sentence, along with idioms and a translation of the sentence into your language.
- You want to listen while you read. Lexo books are narrated in full, with the text highlighted word by word, and the narration comes with the book. (In seven languages, including Irish and Welsh, narration is still to come.)
- You’re learning a less widely taught language. Lexo covers about 80, from Georgian to Tamil, with explanations in your own language.
- You read on iPhone or iPad and are happy reading on a screen.
Lexo is in beta and launching on the App Store soon. Get notified at launch. For more ways in, see the best ways to read classic novels in a foreign language.
Questions
Is a Kindle good for learning a language?
Yes, especially once you read comfortably. You can press and hold a word for a dictionary definition, translate selected words and phrases, and, on Kindle e-readers, review the words you looked up as flashcards in Vocabulary Builder. Below about B2, an unabridged book usually means a lookup every line or two, and an adapted edition is an easier way in.
Does Word Wise work for languages other than English?
No. Word Wise works with English-language Kindle books (many, though not all, support it) and shows short, simple hints above harder words, with a setting for how many hints you see. It's a real help for people learning English. For other languages, Kindle's dictionaries and translation are the main aids.
When should I switch from Lexo to the original on Kindle?
When the C1 or C2 edition of a book feels comfortable, with only an occasional tap, you're ready for originals. A good way to make the jump is with a book you've already read at a lower level, because knowing the story carries you through the harder language.
Does Lexo have the same books as Kindle?
Lexo has about 100 public-domain classics, such as Pride and Prejudice, Jane Eyre and The Great Gatsby, each at five levels from A2 to C2 in about 80 languages. Kindle's store is far larger and includes new books, sold in the editions their publishers make.