# Feyn vs QuestionOasis

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.

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.

## The numbers

| Metric | Feyn | QuestionOasis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (101 ratings)](https://appshunter.io/ios/app/feyn-flashcards/id1533923364/reviews)** | — |
| Number of ratings | **101** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 34 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Alori](https://appshunter.io/developer/1527923529) | [Deniz Barıs CAKIROGLU](https://appshunter.io/developer/1767156681) |

## What reviewers say

### Feyn

[App page](https://appshunter.io/ios/app/feyn-flashcards/id1533923364)

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

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feyn Pro (1 Month) | $5.99 | per month |
| Feyn Pro (6 Months) | $19.99 | per 6 months |
| Feyn Pro (1 Year) | $29.99 | per year |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Great for active recall and spaced repetition
- 💡 Handwritten flashcards with Apple Pencil support
- 🔒 No ads or paywalls
- 👍 Clean and minimalist design

**What reviewers complain about**

- 🐛 Sync issues between iPad and iPhone
- 🔍 Lack of search/filter options to find specific cards
- 🖋️ Limited writing tools (no zoom, pressure sensitivity, etc.)
- 📁 Difficulty organizing cards into nested folders
- 🔄 No option to flip cards in a specific order (front/back)

**Reported bugs**

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

**Requested features**

- 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


### QuestionOasis

[App page](https://appshunter.io/ios/app/questionoasispractice-with-ai/id6670706155)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QuestionOasis Premium | $4.99 | per month |


## Frequently asked questions

### Is Feyn free?

Feyn is free to download, with in-app purchases available.

### Is QuestionOasis free?

QuestionOasis is free to download, with in-app purchases available.

### Do Feyn or QuestionOasis have ads?

Neither Feyn nor QuestionOasis shows ads.

### Which is updated more often, Feyn or QuestionOasis?

Feyn ships an update every 9 days, and QuestionOasis monthly. Most recently, Feyn was updated on October 24, 2026 and QuestionOasis on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*