Lucideck vs MyStudyDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lucideck
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Every word you almost learned. Language learning app screenshots. Subtitles you paused on. Phrases from that café menu. Words you looked up twice. It all goes somewhere — notes, screenshots, the back of your mind — and then it disappears. Lucideck closes the gap. Scan any foreign text, get a flashcard, and let spaced repetition do the rest. The vocabulary you actually encounter, actually remembered. HOW IT WORKS 1. Scan — Point your camera at text, or import from your photo library. Lucideck reads the language, pulls the phrase, and pairs it with a translation automatically. 2. Review — Cards come back at exactly the right moment using spaced repetition (the same science behind Anki). Easy cards appear less often. Hard ones return sooner. 3. Remember — Not a passive translation app. Lucideck builds retention through active recall — the method proven to work for long-term language memory. BUILT FOR HOW YOU ACTUALLY LEARN Most language learners don't study in a vacuum. They watch shows, read posts, travel, sit in classes — and collect vocabulary as they go. Lucideck is the system that captures it all. • Scan any text — screenshots, photos, printed pages, menus, subtitles • Automatic translation across 63 languages • On-device text recognition — no internet required to scan • Spaced repetition scheduling keeps your deck from growing out of control • Organize by deck — French café vocab separate from Japanese anime phrases • Pronunciation audio on every card • Clean, distraction-free interface designed for actual focus WHO IT'S FOR — The language learner who pauses shows constantly to look things up — The structured learner who wants real-world vocabulary alongside their daily lessons — The traveler who photographed every sign and menu abroad and never studied them — Anyone with a folder of "I'll study this later" screenshots that never gets studied SUPPORTED LANGUAGES 63 languages with automatic detection, including French, Spanish, German, Italian, Portuguese, Japanese, Korean, Chinese (Simplified), Russian, Arabic, Dutch, Polish, Swedish, Norwegian, Danish, Finnish, Turkish, Hindi, Thai, Vietnamese, Indonesian, Czech, Hungarian, Romanian, Ukrainian, Greek, Hebrew, and more. PRIVACY FIRST Text recognition runs entirely on your device. Your flashcards are stored locally and never leave your phone. No account required to get started. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
MyStudyDeck
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Turn any photo or PDF into Anki flashcards — then study them right in the app. No typing, no desktop, no account. Everything runs on your iPhone, fully offline. MyStudyDeck is the fastest way to go from study material to memorized. Scan a page, let on-device OCR and smart filtering pick out the words that matter, auto-translate the backs, study with a swipe — and export standard .apkg decks to Anki when you want. THREE TAPS. REAL CARDS. 1. Snap a photo (or import a PDF) of your study material 2. Tap the terms you want to learn 3. Study in-app — or export a complete .apkg deck to AnkiMobile No typing kanji on your phone. No copy-pasting between apps. No desktop required. STUDY MODE — RIGHT IN THE APP You no longer have to export to Anki just to review. • Full study screen with a 3D card-flip animation • Swipe right when you knew it, swipe left to review again • Streak meter tracks your consecutive correct answers • Self-assessment grading: "Didn't know" or "Knew it" • Shuffle mode to mix up your deck • Resume a session right where you left off (within 24h) • Works with all four card types: plain, image, cloze, and multi-field SMART CARD CREATION • On-device OCR extracts text from photos instantly — works offline • Smart word filtering uses Apple's NaturalLanguage engine to highlight the important words (nouns, verbs, adjectives, domain terms) and pre-select them • Function words (the, is, a) are hidden by default — tap "Show all words" to reveal everything • Per-word confidence indicators so you can trust the selection • Filtering supports English, Spanish, French, German, Italian, Portuguese, and Russian (other scripts use length-based filtering) • Apple Translation fills in card backs automatically • Edit any field before saving (front, back, reading, notes) IMPORT PDFs • Import PDFs directly from Files, iCloud Drive, or any document provider • Page viewer with thumbnails and range selection (All / This page / Range) • Multi-page extraction with a live progress indicator • Text flows straight into the same smart OCR review pipeline • Up to 50 pages per session ANKI-COMPATIBLE EXPORT • Generates standard .apkg files that import cleanly into Anki • Works with AnkiMobile, Anki Desktop, AnkiDroid, and AnkiWeb • Export via the iOS share sheet — AnkiMobile, Files, AirDrop, iCloud Drive, or email • Card images are embedded in the export BUILT FOR PRIVACY Your photos, cards, and study data never leave your device. The OCR and translation run on-device. No accounts. No cloud. No tracking. We never see your cards. ONE-TIME PURCHASE — NOT A SUBSCRIPTION Try MyStudyDeck free with up to 3 cards. Unlock unlimited cards, PDF import, study, and .apkg export with a single $14.99 purchase — yours forever. No subscription. No recurring charges. No surprise renewals. Built for self-taught language learners (Japanese, Korean, Chinese and more) and for students working from textbooks. MyStudyDeck solves the hardest part of mobile studying: turning real study material into cards you actually review — without a desktop.
Screenshots
Verdict
Lucideck and MyStudyDeck are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Lucideck sells 3 in-app purchases, starting at $5.99 per month and MyStudyDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Lucideck | MyStudyDeck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.4 |
| Further details — not scored | ||
| Size | 92 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Fifth Axis Labs | Sai Sharan Bhonagiri |
In-app purchases
Lucideck
- Lucideck Pro$5.991 Month
- Lucideck Pro7 Days trial$34.991 Year
- Lucideck Pro — Lifetime$79.99
MyStudyDeck
- MyStudyDeck Pro$14.99








