Comparison

Mochi vs Red Sheet

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

Head to head
About

Mochi

Create and study flashcards from your notes using markdown. This app employs spaced repetition to optimize learning and reduce study time. Effortlessly convert notes into flashcards and link related information for a comprehensive study network.

Highlights
  • Markdown note-taking
  • Spaced repetition algorithm
  • One-click flashcard creation
  • Card and note linking
  • Media embedding (images, audio, video)
  • Deck sharing
Features
Read full description

Take notes and make flashcards using markdown, then study them using spaced repetition. Mochi gives you the power to create content specific to your study needs. Create a deck from scratch, or share one with a friend. - Mochi uses a spaced repetition algorithm to maximize retention and minimize study time. - Quickly jot down notes and cards at the speed of markdown. Formatting controls and shortcuts are also there if you need them. - Linking between cards and notes is a powerful way to build a network of related information. - Put an end to tediously copying your notes into flash cards one by one. With Mochi you can create flash cards from your notes with one click. - You can embed media to your notes or cards like images, audio, and video by dragging them onto the editor.

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

Screenshots

Mochi4 screens
Red Sheet4 screens

Verdict

The call

The clearest difference is rating: Mochi at 4.7 against Red Sheet's 4.2. Mochi also leads on in-app purchases (none vs 9) and ads (none vs shown). Red Sheet's advantage is update cadence (every 3 days vs monthly) and iOS requirement (13.0 vs 15.6). On price, review sentiment 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Mochi holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Mochi has 173 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 81% of Mochi's written reviews are positive against 80% of Red Sheet's.

UpkeepUpdate frequency

Mochi ships an update monthly, Red Sheet every 3 days. Both last shipped on September 22, 2026.

Scorecard7 real differences · 3 level
Mochi versus Red Sheet: the parameters behind the verdict, then further details
ParameterMochiRed Sheet
PriceFreeFree
Rating4.7 (173 ratings) — better4.2 (5 ratings)
Positive reviews81.5% of reviews — better80.0% of reviews
Number of ratings173 — better5
Update frequencyMonthlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.613.0 — better
Further details — not scored
Size96 MB193 MB
Age rating4+4+
DeveloperMatthew SteedmanFoodmenu.world Inc.

Customer experience

Mochi

All ratings173 ratings
Positive91.9%
Neutral2.9%
Negative5.2%
Written reviews108 reviews
Positive81.5%
Neutral9.3%
Negative9.3%

Red Sheet

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews35 reviews
Positive80.0%
Neutral8.6%
Negative11.4%

In-app purchases

None

Mochi

No 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

Questions

Is Mochi free?
Mochi is free to download, with no in-app purchases.
Is Red Sheet free?
Red Sheet is free to download, with in-app purchases available.
Which has better reviews, Mochi or Red Sheet?
Mochi is rated higher. Mochi averages 4.7 out of 5 from 173 ratings, while Red Sheet averages 4.2 from 5 ratings.
Do Mochi or Red Sheet have ads?
Red Sheet shows ads; Mochi does not.
Which is updated more often, Mochi or Red Sheet?
Mochi ships an update monthly, and Red Sheet every 3 days. Most recently, Mochi was updated on September 22, 2026 and Red Sheet on September 22, 2026.

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