The best sentence mining app (that mines for you)
The best sentence mining app is the one that does the mining for you: you photograph the sign, paste the message, or snap the menu you actually hit today, and it turns that real sentence into a native-audio flashcard, then brings it back right before you'd forget it. That is what TangoLango does, in 24 languages, each track teaching one dialect only.
- Auto-capture from a photo, a screenshot, or pasted text
- Native audio on every sentence, 24 dialect-pure tracks
- FSRS scheduling, the same engine inside Anki
What a sentence mining app is actually for
Sentence mining means learning from whole sentences you meet in the wild, not word lists, so every card carries grammar, collocation, and context at once. The classic way to do it is Anki plus a pop-up dictionary: you read or watch something, hit a word you half-know, and build a card by hand. It works. It is also three minutes of tab-juggling per card, which is why most people quit after a fortnight. A good app removes that friction, and the main tools each take out a different part of it.
| What decides it | TangoLango | Anki + dictionary | Migaku | LingQ |
|---|---|---|---|---|
| Builds the card for you | Yes, auto-capture | No, you build each one | One click from a video | Import, then click a word |
| Mines your real life (signs, menus, messages) | Yes, photo or paste | No, only what you type | No, on-screen video only | No, text you import |
| Native audio on every card | Yes | Add-on or DIY | Yes, clipped from the video | Yes |
| Spaced repetition built in | Yes, FSRS | Yes, FSRS is Anki's engine | Yes | Yes |
| Cost | 7-day free trial, then $39/mo | Free (iOS app is paid) | Paid, about $9/mo | Freemium |
| Best for | Signs and messages from your life abroad | DIY control on a desktop | Anime and streaming immersion | Reading books and articles |
When another app is the better call
We're not the right pick for everyone. If you want it free and you like full control over every field on the card, Anki with a pop-up dictionary is the classic stack and hard to beat on price. If most of your input is anime or Netflix, Migaku overlays the subtitles and clips the audio for you, which is genuinely the slickest way to mine video. If you read a lot and want to mine from books, LingQ is built for exactly that. And if you want the whole immersion method mapped out before you pick a tool, Refold lays out the roadmap. What none of them does is mine the sentence on the sign you couldn't read at the pharmacy this morning.
How TangoLango mines for you
You point your phone at the thing that stumped you: a parking sign, a WhatsApp from your landlord, a line on a menu. TangoLango reads it, pulls out the sentence at your level (Stephen Krashen's i+1, one new step past what you already know), records it in a native voice for your dialect, and schedules it with FSRS, the same open-source scheduler that runs inside Anki. No deck to build, no tabs to juggle. Your review pile becomes the exact language your life keeps handing you. That is the whole idea of sentence mining, minus the part everyone hates. Because it mines automatically, your part is just the ten minutes of daily review. That makes it a spaced repetition app that builds its own cards from your life. To see how mining sits next to the other approaches, start with the methods directory.
"I mined sentences by hand in Anki for a year. The method was never the problem, the nightly card-building was. TangoLango is the app I wanted back then: it mines the sentence off the sign I couldn't read and hands me the card."
Frequently asked questions
How do you do sentence mining?
You find a sentence you almost understand, in something you're reading or listening to, and turn it into a flashcard with the meaning and ideally native audio, then review it with spaced repetition. The manual way is Anki plus a pop-up dictionary. The app way is to let the tool capture the sentence and build the card for you, so you spend your ten minutes reviewing instead of assembling.
Does sentence mining actually work?
Yes, and there's a reason it does. Learning from whole sentences gives you grammar and word-in-context together, which is closer to how you'll actually meet the language than an isolated word list. Pair that with spaced repetition and you keep what you mine. The catch is consistency: the method rewards doing a little every day, which is exactly where a low-friction app beats a hand-built deck you stop feeding.
What is the 10,000 sentences method?
It's the idea, popularised by Khatzumoto's All Japanese All The Time blog in the late 2000s, that if you mine and review around ten thousand real sentences you absorb enough patterns to read and speak without translating in your head. You don't have to chase a magic number. The useful part is the habit: mine the sentences you actually meet, review them daily, and the count takes care of itself.
Is there a free sentence mining app?
Anki is free on desktop and Android and does spaced repetition superbly, but you build every card yourself with a dictionary add-on. That's the trade: free costs you time. TangoLango does the mining and the audio for you and is free for 7 days, so you can see whether the automation is worth it before paying.
Learn the Portuguese people actually speak here
Ten minutes a day, native audio, your own real-life sentences. Free for 7 days.
Turn the sentences around you into cards (free for 7 days)