Feyn vs QuestionOasis
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/
QuestionOasis
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Prepare for Medical Exams Anywhere with QuestionOasis QuestionOasis uses the power of AI to generate customized exam questions tailored to your study needs. Whether you're on the bus, subway, or taking a quick break, you can easily practice and sharpen your medical exam knowledge anytime, anywhere. Stay productive on the go and get ahead in your medical exam prep with targeted questions designed to boost your learning. Key Features: AI-powered, personalized exam questions Study conveniently from your mobile device Perfect for busy students on the move Prepare smarter, not harder. Download QuestionOasis and take your medical exam prep to the next level! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Feyn at every 9 days against QuestionOasis's monthly. QuestionOasis's advantage is iOS requirement (13.0 vs 16.1). On price, ads, in-app purchases 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
Both are free to download. Feyn sells 3 in-app purchases, starting at $5.99 per month and QuestionOasis sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Feyn ships an update every 9 days, QuestionOasis monthly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | Feyn | QuestionOasis |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (101 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 101 — better | — |
| Update frequency | Every 9 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Joaquin Alori | Deniz Barıs CAKIROGLU |
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.)
QuestionOasis
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
QuestionOasis
- QuestionOasis Premium$4.991 Month









