About this app

Snap your textbook. Hide what you want to learn. That's it. You don't have time to make flashcards from scratch. FlashSnap solves that. Take a photo of any page, brush over the key words with a marker, and your personal study sheet is ready in seconds. The familiar paper red-sheet method, now on your phone — with a little extra intelligence. What you can do 【Photo Sheet】 Photograph textbooks, notebooks, or any printed material. Cover important words with red, blue, or green markers. During study, the markers hide the answers — tap to reveal. 【Classic Cards】 Front-and-back cards with images or text. Perfect for vocabulary or matching pairs. 【Text Cards】 Simple Q&A format. Great for formulas, definitions, or quick facts. 【Spaced Repetition (SM-2)】 The cards you remember well come back later. The ones you struggle with come back soon. Backed by proven memory science. 【Exam Forecast】 Set your exam date and FlashSnap calculates whether you're on pace to finish. Warnings appear if you're falling behind, so you can adjust early. 【Weak Cards Highlight】 The cards you keep missing are surfaced automatically. Focus your review where it matters. 【Vertical Writing Support】 For Japanese classical texts, Chinese, or right-to-left content. Reading order follows the natural top-to-bottom, right-to-left flow. Who is this for? ・Students preparing for exams ・Nursing & medical students learning terminology ・Language learners (vocabulary, classical texts) ・Anyone using paper red-sheet study method ・People who want to know "will I finish in time?" ・Commuters making use of small pockets of time Privacy first ・No account required ・Your photos and study data stay on your device ・Nothing is uploaded to any server ・No tracking for ads (npa=1)

Latest release

What’s New

Version 1.4 Aug 1, 2026

Stability improvements and overall performance optimizations.

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

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