Comparison

Mochi vs Feyn

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

Feyn

Create and review flashcards by drawing with your Apple Pencil or typing. Utilize spaced repetition for effective memorization on your iPhone or iPad. Share decks with friends and sync across devices via iCloud.

Highlights
  • Handwritten flashcard creation with Apple Pencil
  • Spaced repetition learning system
  • Cross-device synchronization via iCloud
  • Flashcard sharing with friends
  • Image and text input options
  • iOS Quick Note and Handoff support
Read full description

Use flashcards, spaced-repetition, and your Apple Pencil to study with Feyn! Taking your own notes by hand and spaced-repetition are the best way to learn new concepts, and with Feyn you can do just that. Open up a book on your iPad and comfortably draw your flashcards right there using your Apple Pencil in Feyn. The flashcards are phone-sized so that you can then take them on the go and comfortably review them on your iPhone! Their vertical shape also makes them easy to write while multi-tasking on your iPad, and perfect for learning languages written top to bottom like Japanese. If you don't feel like drawing, just type some text using your keyboard or drop images into your flashcards. In this way, you *learn* on your iPad as you think of how to you summarize new concepts into flashcards, and *memorize* on your iPhone while you review them on the go! Feyn is fully featured, you can share flashcard to study with your friends. Your flashcards will automatically synchronize between your devices using your iCloud drive. Feyn also supports iOS' Quick Note, Handoff, and keyboard input: type away on your iPad or on our macOS app! Feyn uses spaced repetition to aid in learning. It will ask you to review flashcards depending on how well you recall them, flashcards you miss will be asked more often, and flashcards you get right less often. This way you minimize the total time you spend studying and maximize retention! Feyn Pro ads some nice to have extra features like study charts, to see how well you're learning, and flashcard importing. All other features are free and unrestricted. We guarantee that you will always be able to have a complete study experience for free. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mochi4 screens
Feyn4 screens

Verdict

The call

The clearest difference is in-app purchases: Mochi at none against Feyn's 3. Mochi also leads on rating (4.7 vs 4.3). Feyn's advantage is update cadence (every 9 days vs monthly). On price, review sentiment, ratings volume and ads 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. Feyn sells 3 in-app purchases, starting at $5.99 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 4.3. Both are backed by a comparable volume of ratings — 173 and 91 respectively. Written reviews point the same way: 81% of Mochi's written reviews are positive against 80% of Feyn's.

UpkeepUpdate frequency

Mochi ships an update monthly, Feyn every 9 days. Both last shipped on September 22, 2026.

Scorecard4 real differences · 6 level
Mochi versus Feyn: the parameters behind the verdict, then further details
ParameterMochiFeyn
PriceFreeFree
Rating4.7 (173 ratings) — better4.3 (91 ratings)
Positive reviews81.5% of reviews — better79.9% of reviews
Number of ratings173 — better91
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better16.1
Further details — not scored
Size96 MB14 MB
Age rating4+4+
DeveloperMatthew SteedmanJoaquin Alori

Customer experience

Mochi

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

Feyn

All ratings91 ratings
Positive83.5%
Neutral5.5%
Negative11.0%
Written reviews214 reviews
Positive79.9%
Neutral7.9%
Negative12.1%

Bugs and requests

Mochi

Not enough reviews yet to summarise bugs or requests.

Feyn

Reported bugs

3 issues
  • Cards sometimes disappear after updates
  • App crashes on iOS 16 devices
  • Palm rejection issues when writing

Requested features

6 requests
  • Add option to import/export flashcards
  • Implement more review modes (e.g., front-to-back, back-to-front)
  • Introduce a zoom function for better writing experience
  • Add support for adding images/diagrams to cards
  • Implement nested folder structure for better organization
Show 1 more
  • Provide more customization options for cards (colors, layouts, etc.)

In-app purchases

None

Mochi

No in-app purchases

3 purchases

Feyn

Subscriptions3
  • Feyn Pro (1 Month)7 Days trial$5.991 Month
  • Feyn Pro (6 Months)7 Days trial$19.996 Months
  • Feyn Pro (1 Year)7 Days trial$29.991 Year

Questions

Is Mochi free?
Mochi is free to download, with no in-app purchases.
Is Feyn free?
Feyn is free to download, with in-app purchases available.
Which has better reviews, Mochi or Feyn?
Mochi is rated higher. Mochi averages 4.7 out of 5 from 173 ratings, while Feyn averages 4.3 from 91 ratings.
Do Mochi or Feyn have ads?
Neither Mochi nor Feyn shows ads.
Which is updated more often, Mochi or Feyn?
Mochi ships an update monthly, and Feyn every 9 days. Most recently, Mochi was updated on September 22, 2026 and Feyn on September 22, 2026.

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