Feyn vs OCTO Flashcards
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
OCTO Flashcards
This app offers a digital solution for studying with flashcards, allowing users to write and draw using an Apple Pencil. It provides organizational tools like folders and color-coding, along with study features to track mastered cards and facilitate quick review sessions. Go paperless and create unlimited study materials without cost.
- Apple Pencil support for writing and drawing
- Cloud-backed database for card storage
- Folder organization and color-coding
- Mastered card tracking
- Quick study sessions with swipe/tap gestures
- Unlimited card creation
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Let OCTO solve the tradeoff between modern technology and traditional flashcard studying! Utilize your Apple Pencil to write or draw anything you need to memorize- no more constraints from text-only flashcards. STAY ORGANIZED * OCTO's cloud-backed database ensures you never lose your flashcards * Keep all your study materials in one place * Group together flashcard sets into folders * Color code your flashcard sets and folders STUDY EFFECTIVELY * Memorize as you create your flashcards by writing out your material * Keep track of cards you have mastered * Choose to study only mastered cards for a challenge or all flashcards for a refresh * Have quick study sessions with our simple swipe or tap gestures GO PAPERLESS * Create unlimited cards without worrying about the costs * Reduce paper waste and your carbon footprint
Screenshots
Verdict
The clearest difference is rating: Feyn at 4.3 against OCTO Flashcards's 2.6. Feyn also leads on ads (none vs shown) and review sentiment (80% vs 54%). OCTO Flashcards's advantage is in-app purchases (none vs 3). On price, update cadence and iOS requirement 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. OCTO Flashcards asks for nothing beyond the download.
Feyn holds the better App Store score, 4.3 against 2.6. That said, the two scores are not equally well evidenced: Feyn has 91 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 80% of Feyn's written reviews are positive against 54% of OCTO Flashcards's.
Feyn ships an update every 9 days, OCTO Flashcards every 11 days. The most recent releases landed on September 22, 2026 and August 20, 2026 respectively.
| Parameter | Feyn | OCTO Flashcards |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (91 ratings) — better | 2.6 (16 ratings) |
| Positive reviews | 79.9% of reviews — better | 53.8% of reviews |
| Number of ratings | 91 — better | 16 |
| Update frequency | Every 9 days — better | Every 11 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, Mac — better | iPad |
| Requires iOS | 16.1 | 15.4 — better |
| Further details — not scored | ||
| Size | 14 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Joaquin Alori | Elaine Kodama |
Customer experience
Feyn
OCTO Flashcards
Bugs and 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.)
OCTO Flashcards
Not enough reviews yet to summarise bugs or requests.
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
OCTO Flashcards
No in-app purchases
Questions
Is Feyn free?
Is OCTO Flashcards free?
Which has better reviews, Feyn or OCTO Flashcards?
Do Feyn or OCTO Flashcards have ads?
Which is updated more often, Feyn or OCTO Flashcards?
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