FlashZen vs Deckify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlashZen
This app helps you learn vocabulary and build memory through active recall and spaced repetition. It offers a clean interface, allows custom definitions, and generates practice sentences with corrections. It's designed for efficient, focused study.
- Spaced repetition system
- 800+ high-frequency English words
- Custom definitions and translations
- Sentence generation with corrections
- Clean flashcard interface
- Import custom decks
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With FlashZen you get: • 800+ high-frequency English words • Organized for efficient learning • Clean flashcard interface • Add your own definitions or translations • Generate sentences from known words and get corrections Active recall builds real memory. Built-In Spaced Repetition ---- FlashZen uses spaced repetition to help you: • Review at the perfect time • Strengthen long-term memory • Avoid forgetting • Study efficiently Perfect for: - Students - TOEFL / IELTS prep - Self-learners - Travelers - Vocabulary building ---- Why FlashZen? • No complex setup • No technical interface • Option to import decks • Clean, focused experience • 100% free Open the app. Start learning.
Deckify
Instantly transform handwritten notes, textbook pages, or typed text into flashcards using AI. This app employs a spaced repetition algorithm to optimize your study schedule, helping you remember information more effectively with less effort.
- AI-powered flashcard generation from notes
- Spaced repetition algorithm (FSRS)
- Camera-first note scanning
- Support for complex subjects (math, code)
- Manual card creation and editing
- Unlimited decks and studying
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Turn your notes into flashcards in seconds. Deckify uses AI to instantly convert your handwritten notes, textbook pages, slides, and typed text into study-ready flashcards — then helps you remember them with the most effective spaced repetition algorithm available. HOW IT WORKS Point your camera at any notes or text. AI generates a complete flashcard deck in under 15 seconds. Study on your own schedule — the app knows exactly when to show each card. SMART STUDY SCHEDULING Powered by FSRS, the same next-generation spaced repetition algorithm used by top students worldwide. Rate each card (Again / Hard / Good / Easy) and Deckify calculates the optimal time to review it — so you study less but remember more. WHAT YOU CAN SNAP Handwritten lecture notes, textbook and workbook pages, whiteboards and slides, printed formulas and diagrams, typed or pasted text. FEATURES Camera-first: snap a photo in one tap. Supports complex subjects: math equations and code render properly on cards. Chat-style generation: add images, text, and refinement instructions in one session. Extend any deck with AI-suggested cards at any time. Manual card creation and editing. Study sessions end with a performance summary. Unlimited decks, unlimited studying — always free. FREE TIER 15 AI generations in your first month, 5 per month after that. Studying, editing, and manual card creation are free forever. PRIVACY Images are processed and immediately deleted from our servers. They are never stored or used for training.
Screenshots
Verdict
The clearest difference is rating: FlashZen at 5.0 against Deckify's 3.0. Deckify's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price, ratings volume, in-app purchases and device support there is nothing between them.
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. Neither carries in-app purchases, so what you see is what you pay.
FlashZen holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
FlashZen ships an update every 2 weeks, Deckify every 3 days. Both last shipped on October 31, 2026.
| Parameter | FlashZen | Deckify |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 29 MB | 37 MB |
| Age rating | 4+ | 12+ |
| Developer | Baptiste Fehrenbach | SealSyncAI Inc. |
In-app purchases
FlashZen
No in-app purchases
Deckify
No in-app purchases
