A reader holding an iPhone above an open novel, the Lupa app showing the definition of the word 'righteous', a red Lupa coffee cup beside the book

iOS Application

Lupa Vision

Point your camera at any page, tap a word, understand it in seconds. A reading lens for readers who refuse to stop mid-sentence.

The moment

The spell breaks.

You're deep in a novel. Lost in the prose. Then — a word you don't recognize.

You reach for your phone. Unlock. Open a translator. Type the word. Squint at results. Find your place on the page.

The moment is gone.

Lupa doesn't translate pages. It translates moments — the small friction between you and the next paragraph.

How it works

Point. Tap. Know.

01

Point

Open Lupa straight from the Action Button. The camera stabilizes on the page, so every word sits still — even if your hand doesn't.

02

Tap

Tap the word you want. Hold and drag to extend the selection across a phrase. A haptic tick confirms every word boundary.

03

Know

An instant offline definition from the local dictionary. Pull down for a context-aware answer from Lupa AI — it reads the surrounding sentence for you.

Close-up of the Lupa definition card showing 'righteous' with pronunciation and two definitions over the live camera view of a book

Instant definitions

A dictionary in the lens.

A local dictionary is bundled into the app — 155,000 words with pronunciation, part of speech, and examples. All offline. Zero wait. Every definition arrives before you can think about reaching for another app.

Lupa history screen on iPhone showing the 'righteous' entry from today, paired with a sub-card definition

History & Favorites

Every word, saved by default.

Every lookup lands in your history, grouped by day. Star the ones worth keeping. Revisit them later. Your reading becomes a quiet record of the words you were curious about — and the ones you chose to learn.

See it move

The gesture, not the gimmick.

Tap to select

A single tap lands on a word. Hold and drag to extend across a phrase. The card appears the instant your finger lifts.

Voice, when your hands are full

Hold on the page, say the word. Lupa matches what you spoke against what's on screen and picks the right one.

The details

Crafted for readers
who care about the details.

Voice selection

Hold your finger on the page and say the word. Lupa matches what you spoke against the words on screen — and picks the right one.

Nested lookups

Every word inside a definition is tappable. Stack up to three cards deep and pop back without losing your place.

Lupa AI

Pull the definition card down for a context-aware answer. Lupa AI reads the surrounding sentence — not just the word.

Cloud sync

Sign in and your history syncs across devices. Start a lookup on your phone, find it on your other phone.

The Action Button

On iPhone 15 Pro and newer, Lupa opens in under two seconds. Press, aim, read. No app icon in between.

Made to feel alive *

Look closely at the live view — that's your front camera, rendered as a reflection on the lens. Because even a reading tool should feel alive.

*The lens reflection uses your front camera in real time. Nothing is recorded, streamed, or stored — the feed is rendered on-device and can be turned off in Settings. The front camera is used for this reflection and nothing else. For exactly what Lupa does and doesn't store, see our Privacy Policy. We take your privacy seriously.

iPhone tilted in hand showing the Lupa live camera view and definition card over an open book

“A reader’s glass.”

Pricing

Free, forever.
Premium, when you're ready.

Offline definitions are free for everyone. Premium unlocks unlimited Lupa AI, voice selection, full history sync, and pronunciation.

Free

€0forever

The reading lens. Unlimited offline definitions. Always yours.

  • Unlimited offline lookups
  • Pronunciation (IPA)
  • 20 favorites
  • Last 100 history entries
  • Action Button support
Download free

Premium

€2.99/ month

or €24.99 / year · 7-day free trial

Everything in Free, with AI definitions that read the sentence around your word.

  • Unlimited Lupa AI lookups
  • Voice word selection
  • Unlimited favorites
  • Full history + cloud sync
  • Save snapshot & audio per lookup
Start 7-day free trial

Launch pricing. Subscriptions auto-renew via the App Store and can be cancelled anytime. See Terms and Privacy Policy.

A reader in a dark top holds an iPhone aimed at an open novel on a wooden table, a red cup in the foreground

Available on the App Store

Your reading lens.

Point. Tap. Know. Back to reading in under three seconds.