Comparison

Revv vs BlankStudy

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Revv

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Struggling to retain what you study? Most flashcard apps just let you type cards by hand and flip through them randomly. Revv-AI Flashcards takes a fundamentally different approach - it analyzes your study material, tracks how well your memory is holding up, and adapts every session to focus on the cards you are actually at risk of forgetting. Revv-AI is built for students, professionals, and lifelong learners who want every minute of study time to count. Import a PDF, let the AI generate a complete flashcard deck, then follow a session designed around your personal recall data. The app monitors your overall recall probability across each deck, grades your retention health from A+ to F, and shows you exactly how many cards you remember, which ones are slipping, and which ones are already forgotten - so you always know where to focus next. KEY FEATURES - AI Deck Generation - Import any PDF and the app extracts content page by page, then generates ready-to-study flashcard decks automatically. - Recall Probability Tracking - Each card is scored with a recall probability. The app separates your cards into Recallable, At Risk, and Forgotten groups so you can prioritize intelligently. - Health Grade System - Your deck receives a letter grade (A+ through F) based on your overall retention, giving you an instant snapshot of how well you know the material. - Adaptive Study Sessions - Sessions are structured around your current recall data, not a random shuffle. Cards you are losing track of come up more often. - Study Insights - After each session, review a personal insights summary covering session duration, cards reviewed, and progress trends over time. - Streak and Calendar Tracking - A built-in study streak and calendar view keep you consistent day after day. - Deck Categories - Organize decks by subject or category so your library stays easy to navigate as it grows. - Revv Pro Subscription - Unlock expanded limits and premium capabilities through an optional in-app subscription. - Sign in with Apple - Create your account securely with a single tap using Sign in with Apple. - Local Data Persistence - Your decks and study history are saved on-device so your progress is always available. HOW IT WORKS Start by importing a PDF of your study material - a textbook chapter, a set of lecture slides, or a reference document. Revv-AI processes each page, extracts the key content, and generates a flashcard deck for you. Once your deck is ready, you can review and organize it before your first study session. During a session, the app presents cards based on your recall data. As you progress through cards, your recall probabilities update in real time. When the session ends, head to the Insights screen for a full breakdown of your performance - how long you studied, your overall recall score, and which areas still need work. Over time, the home screen streak tracker and calendar show your study consistency, helping you build the kind of regular practice that leads to lasting retention. Whether you are preparing for a standardized test, a professional exam, or a university course, Revv-AI keeps your study plan grounded in data rather than guesswork. Your data stays on your device and is tied to your secure Apple account. No complicated setup, no manual card entry required to get started. Download Revv-AI Flashcards today and study with the clarity that only real recall data can give you. Terms of Use: https://jinseok-codelab.com/revv/terms Privacy Policy: https://jinseok-codelab.com/revv/privacy

About

BlankStudy

Features
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Stop rewriting your study material. Cover what you need to remember and turn it into your own recall practice. BlankStudy lets you place blanks directly on PDFs, photos, images, and text, then review them with active recall on iPhone and iPad. There is no account, advertising, subscription, or in-app purchase. β–  Make blanks your way β€’ Drag a box over any word, sentence, formula, or diagram β€’ Create write-in blanks and grade typed answers instantly β€’ Search a page and mask every matching term at once β€’ Paste a term-and-answer table to create blanks in batches β–  Focus on what you miss β€’ Track accuracy for every blank β€’ See strong blanks in green and weak blanks in red β€’ Review per-page statistics and filter by accuracy β€’ Retry only blanks below 80%, 60%, 40%, or 20% β–  Spaced review that adapts FSRS-based scheduling brings difficult blanks back sooner and delays the ones you know. Optional on-device reminders tell you when a review is due. β–  Use your own material β€’ Import PDFs, photos, images, and text β€’ Automatically split long text into pages β€’ Organize with folders, favorites, cover colors, bookmarks, and notes β€’ Reveal mask groups together or step through blanks in tracking mode β–  Made for iPad and Apple Pencil Write directly over your material with pressure- and tilt-sensitive ink, an eraser, and adjustable colors and widths. β–  Your material stays yours BlankStudy saves locally first. If you sign in to iCloud, it can sync through your private CloudKit database across devices using the same Apple Account. Create password-protected backups or share a book through AirDrop and Files. The developer cannot view your study material. Available in English, ν•œκ΅­μ–΄, and ζ—₯本θͺž.

Screenshots

BlankStudy4 screens

Verdict

The call

The clearest difference is price: Revv at Free against BlankStudy's $1.99. BlankStudy's advantage is in-app purchases (none vs 2) and device support. On iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Revv is free to download; BlankStudy costs $1.99 up front. Revv sells 2 in-app purchases, starting at $6.99 per month. BlankStudy asks for nothing beyond the download.

Scorecard3 real differences Β· 3 level
Revv versus BlankStudy: the parameters behind the verdict, then further details
ParameterRevvBlankStudy
PriceFree β€” better$1.99
Update frequencyβ€”Fortnightly
Adsβ€”No
In-app purchasesYesNo β€” better
Devicesβ€”iPhone, iPad β€” better
Requires iOS17.017.0
Further details β€” not scored
Size42 MB8 MB
Age rating12+4+
DeveloperJINSEOK OHSANGSANGLYEOG

In-app purchases

2 purchases

Revv

Subscriptions2
  • Revv Pro Monthly7 Days trial$6.991 Month
  • Revv Pro Yearly7 Days trial$39.991 Year
None

BlankStudy

No in-app purchases

Questions

Is Revv free?
Revv is free to download, with in-app purchases available.
Is BlankStudy free?
BlankStudy costs $1.99, with no in-app purchases.

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