Blog · Comparison
Reading vs Duolingo and flashcard apps: what each is good for
Apps like Duolingo are good for getting started and building a daily habit. Flashcard apps like Anki are the most efficient way to memorise specific words. Reading real books gives you the volume of input that turns those pieces into understanding. They do different jobs, so most learners do best with a mix that shifts towards reading as they improve.
Arguments about the “best” way to learn a language often compare tools that were built for different jobs. Duolingo, Anki and a novel are each good at one part of learning and weak at others. Here's a fair look at what each does, written by people who make a reading app, so weigh that.
A useful frame: the four strands
The vocabulary researcher Paul Nation suggests a well-balanced language course splits time roughly equally between four strands (Nation, 2007):
- Meaning-focused input: reading and listening to things you mostly understand.
- Meaning-focused output: speaking and writing to get a message across.
- Language-focused learning: deliberate study of words, grammar and pronunciation.
- Fluency development: working with easy, familiar material to get faster.
Seen this way, the useful question is which strands each tool covers, and which you're missing.
Course apps like Duolingo
Duolingo and similar apps teach through short lessons of matching, translating, listening and typing, with streaks and reminders to bring you back every day.
What they're good for
- Getting started from zero, with no decisions to make.
- Building a daily habit. A few minutes a day adds up, and the streak keeps you honest.
- Introducing grammar and core vocabulary in small, ordered steps.
Where they fall short
- The amount of real language you meet is small. Most exercises are single sentences.
- The content isn't something you'd choose to read for its own sake, so it's hard to do more than the daily minimum.
- Little practice at following a long text, which is a skill of its own.
In Nation's terms, course apps are mostly language-focused learning, with a little input.
Flashcard apps like Anki
Flashcard apps show you a word and ask you to recall it, then schedule the next review based on how well you did. This is spaced repetition, and for memorising specific items it's very efficient.
What they're good for
- Making sure particular words stick, especially high-frequency ones you need everywhere.
- Fitting into dead time: a queue, a bus ride.
Where they fall short
- A word on a card has no context. You may recognise it on the card and still miss it in a sentence.
- Decks grow faster than you can review them, and reviewing becomes a chore.
- They teach words; following connected text is a separate skill.
Flashcards are pure language-focused learning. They work best as support for something else.
Reading real books
Reading gives you something neither of the others can: volume. A short novel is tens of thousands of words of real language, with the common words coming back hundreds of times in different contexts. That's meaning-focused input, and if the book is easy enough, fluency development too.
What it's good for
- Vocabulary in context, met again and again until it sticks.
- Grammar absorbed from use, including structures courses barely cover, like the literary past tenses in French and Italian.
- Stamina. Following a long text is how you'll use the language in real life.
- Motivation: you keep going because you want to know what happens.
Where it falls short
- It's hard at the very beginning. You need the basics first.
- Picking a book at the wrong level is discouraging. See how to choose a book at your level.
- It doesn't teach speaking or pronunciation.
Try it on a real bookPassage is free to start on iPhone, iPad and Mac. Pick a classic at your level and tap any sentence you don't get.
Download on theApp StoreHow to combine them, by stage
| Stage | Course app | Flashcards | Reading |
|---|---|---|---|
| First weeks (A1) | Main tool | Core words | Very short texts, fairy tales |
| Late beginner (A2) | Keep the habit | Words from what you read | First real book, with help on hard sentences |
| Intermediate (B1) | Optional | Words from your books | Main tool: a book a month |
| Upper intermediate (B2+) | Rarely needed | Occasional | Most of your time, plus speaking |
The shift that matters is from words chosen by an app to words chosen by your reading. Once you're reading, the best flashcards are the ones you made yourself, from sentences in your book.
Where Passage fits
Passage covers the reading column and the second half of the flashcard column. You read public-domain classics at your level, tap a sentence when it stops you, and save the words worth keeping. Those words come back in eight short games with spaced review, each one tied to the sentence you found it in. It doesn't replace a course for absolute beginners, and it doesn't teach speaking.
If you're comparing reading apps specifically, see the best apps for reading in a foreign language, or the head-to-heads with LingQ, Readlang and Beelinguapp. To try a first book, browse Spanish, French or Italian.
Sources
- Nation, I. S. P. (2007). The four strands. Innovation in Language Learning and Teaching, 1(1).
Questions
Is Duolingo enough to become fluent?
On its own, most learners find it isn't. A course app covers the basics well, but fluency takes far more exposure to the language than any course provides, plus practice speaking. Reading and listening supply the exposure.
When should I start reading after Duolingo?
Once you know the present tense and at least one past tense, and can follow a very simple story. That's usually somewhere in the middle of a beginner course. Start with a short book written in plain language.
Should I stop using flashcards when I start reading?
No, but change what goes into them. Instead of word lists, review words you met in your books, inside the sentences you met them in. That's what Passage's practice games do with your saved words.