Comparison

Red Sheet vs Easy to study anytime

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

Head to head
About

Red Sheet

Create and study flashcards from your PDFs, notes, and images. This app lets you hide and reveal text to transform study materials into interactive flashcards for faster memorization. Supports various import options and flexible study tools.

Highlights
  • Create flashcards from PDFs
  • Import from note apps and cloud storage
  • Hide and reveal text for study
  • Create flashcards from photos and images
  • Vocabulary and word list flashcards
  • One-tap show/hide for quick review
Features
Read full description

◆ All-in-One PDF Memorization App with Red Sheet Study Turn your PDFs, notes, textbooks, handouts, and images into powerful study materials. This app helps students memorize faster by hiding and revealing important parts of their own documents. Import PDF files, photos, scanned notes, class handouts, worksheets, and study materials, then create memorization blocks directly on the page. It works like a digital red sheet, flashcard maker, and PDF study tool in one simple app. ◆ PDF Memorization Made Simple ・Import PDF files and study directly from the page ・Hide words, definitions, formulas, diagrams, and answers ・Tap to reveal hidden areas while reviewing ・Use red sheet style memorization on PDF pages ・Study textbooks, school handouts, exam materials, and notes ・Create your own PDF memorization notebook If you already study with PDFs, this app turns them into active memorization tools. ◆ Red Sheet Style Study for PDFs and Images Use memorization blocks to cover the parts you want to remember. Place blocks over text, formulas, diagrams, definitions, answers, or explanations. ・Hide text like using a red sheet ・Reveal answers by tapping ・Create blocks anywhere on a PDF or image ・Adjust block size by dragging the edges ・Change the color and style of blocks ・Use blocks for notes, textbooks, worksheets, and scanned documents This is useful when you want to memorize from your own materials without rewriting everything into separate flashcards. ◆ Smooth Vertical Review for Memorization Review multiple PDF pages and images smoothly. Vertical scrolling makes it easy to study long documents, like moving a red sheet from top to bottom. ・Scroll vertically through study pages ・Review many PDF pages at once ・Memorize photos and handouts continuously ・Swipe between pages and cards ・Add more images when needed ・Study at your own pace Useful for test prep, school study, certification exams, language learning, and daily review. ◆ Useful Study Tools ・One-tap show and hide for fast review ・Multiple memorization blocks for one page ・Auto-align blocks for cleaner layouts ・Zoom in with two fingers to study small text ・Hidden areas stay aligned even when zooming ・Add memo text to support memorization ・Hide memo text for self-testing ・Organize study decks by title or subject Create separate study materials for English, science, history, math, medical terms, law, certification exams, or any subject that requires memorization. ◆ Great For ・Students preparing for tests and exams ・PDF study and textbook review ・Vocabulary memorization ・Language learning ・Science, history, math, and social studies ・Certification exam preparation ・Medical, legal, and technical study ・People who want a simple flashcards maker ・Students who use GoodNotes, notes apps, or PDF files ・Anyone who wants to memorize from their own materials ◆ How to Use 1. Import a PDF file, photo, or image 2. Place memorization blocks over the parts you want to hide 3. Tap to reveal the answer while studying 4. Repeat until you can remember it 5. Organize your materials by subject and review again ◆ Why This App Is Different This app focuses on PDF memorization and red sheet style study. You do not need to recreate every page from scratch. Use your own PDFs, notes, handouts, images, and textbooks as they are, then hide only the parts you want to memorize. It is a simple way to turn everyday study materials into flashcard-style memorization tools. ◆ Recommended If You Want ・A PDF study app for memorization ・A flashcards maker from PDFs ・A red sheet style study app ・A way to memorize school notes and handouts ・A simple tool for exam preparation ・A study app that works with your own materials ・A faster way to hide and reveal answers Start studying your own PDFs, notes, and images with red sheet style memorization. Make your study materials easier to review, repeat, and remember. Terms of Service https://hidevoicy.com/en/tos Privacy Policy https://hidevoicy.com/en/privacy

About

Easy to study anytime

This app helps you learn by importing photos and PDF files. You can add markers and review material quickly for efficient study sessions.

Highlights
  • Import photos
  • Import PDF files
  • Add markers
  • Quick review
  • Study aid
Features
Read full description

It is a simple app that allows you to import photos and PDF files, add markers and learn. You can review in a short amount of time.

Screenshots

Red Sheet4 screens
Easy to study anytime3 screens

Verdict

The call

The clearest difference is review sentiment: Red Sheet at 78% against Easy to study anytime's 0%. Red Sheet also leads on rating (4.2 vs 1.0) and update cadence (every 3 days vs every 2 months). Easy to study anytime's advantage is in-app purchases (none vs 9) and ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Red Sheet sells 7 in-app purchases, starting at $2.99 per month. Easy to study anytime asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Red Sheet holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Red Sheet has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 78% of Red Sheet's written reviews are positive against 0% of Easy to study anytime's.

UpkeepUpdate frequency

Red Sheet ships an update every 3 days, Easy to study anytime every 2 months. The most recent releases landed on October 16, 2026 and September 20, 2026 respectively.

Scorecard9 real differences · 1 level
Red Sheet versus Easy to study anytime: the parameters behind the verdict, then further details
ParameterRed SheetEasy to study anytime
PriceFreeFree
Rating4.2 (5 ratings) — better1.0 (1 ratings)
Positive reviews77.8% of reviews — better0.0% of reviews
Number of ratings5 — better1
Update frequencyEvery 3 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size193 MB53 MB
Age rating4+4+
DeveloperFoodmenu.world Inc.yoshitomo ishii

Customer experience

Red Sheet

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews36 reviews
Positive77.8%
Neutral11.1%
Negative11.1%

Easy to study anytime

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

7 purchases

Red Sheet

Subscriptions7
  • Monthly Special plan$2.991 Month
  • Monthly Super Saver Plan$2.991 Month
  • Monthly Value Plan$3.991 Month
Show 4 more
  • Basic Plan$5.991 Month
  • 3 Month Plan - V 3.1.5 needed$9.993 Months
  • Half year plan (Sale)$17.996 Months
  • Half year plan - V2.9.0 needed$22.996 Months
None

Easy to study anytime

No in-app purchases

Questions

Is Red Sheet free?
Red Sheet is free to download, with in-app purchases available.
Is Easy to study anytime free?
Easy to study anytime is free to download, with no in-app purchases.
Which has better reviews, Red Sheet or Easy to study anytime?
Red Sheet is rated higher. Red Sheet averages 4.2 out of 5 from 5 ratings, while Easy to study anytime averages 1.0 from 1 ratings.
Do Red Sheet or Easy to study anytime have ads?
Red Sheet shows ads; Easy to study anytime does not.
Which is updated more often, Red Sheet or Easy to study anytime?
Red Sheet ships an update every 3 days, and Easy to study anytime every 2 months. Most recently, Red Sheet was updated on October 16, 2026 and Easy to study anytime on September 20, 2026.

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