Mochi vs Feyn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Markdown note-taking
- Spaced repetition algorithm
- One-click flashcard creation
- Card and note linking
- Media embedding (images, audio, video)
- Deck sharing
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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.
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.
- 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
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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
Verdict
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
Both are free to download. Feyn sells 3 in-app purchases, starting at $5.99 per month. Mochi asks for nothing beyond the download.
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.
Mochi ships an update monthly, Feyn every 9 days. Both last shipped on September 22, 2026.
| Parameter | Mochi | Feyn |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (173 ratings) — better | 4.3 (91 ratings) |
| Positive reviews | 81.5% of reviews — better | 79.9% of reviews |
| Number of ratings | 173 — better | 91 |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.6 — better | 16.1 |
| Further details — not scored | ||
| Size | 96 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthew Steedman | Joaquin Alori |
Customer experience
Mochi
Feyn
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
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- Provide more customization options for cards (colors, layouts, etc.)
In-app purchases
Mochi
No in-app purchases
Feyn
- 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








