# Kyoku Flashcards vs Feyn

The clearest difference is price: Feyn at Free against Kyoku Flashcards's $3.99. Feyn also leads on rating (4.3 vs 4.1). Kyoku Flashcards's advantage is in-app purchases (none vs 3) and chart position (#144 vs unranked). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Feyn is free to download; Kyoku Flashcards costs $3.99 up front. Feyn sells 3 in-app purchases, starting at $5.99 per month. Kyoku Flashcards asks for nothing beyond the download.

Feyn holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 109 and 101 respectively. Written reviews point the same way: 73% of Kyoku Flashcards's written reviews are positive against 80% of Feyn's.

Both ship on a similar rhythm, roughly every 9 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Kyoku Flashcards | Feyn |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.1 (109 ratings)](https://appshunter.io/ios/app/kyoku-flashcards/id1484406208/reviews) | **[4.3 (101 ratings)](https://appshunter.io/ios/app/feyn-flashcards/id1533923364/reviews)** |
| Number of ratings | **109** | 101 |
| Positive reviews | 73.1% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#144** | — |
| Size | 8 MB | 14 MB |
| Requires iOS | **16.0** | 16.1 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [David Cordero](https://appshunter.io/developer/480825650) | [Joaquin Alori](https://appshunter.io/developer/1527923529) |

## What reviewers say

### Kyoku Flashcards

[App page](https://appshunter.io/ios/app/kyoku-flashcards/id1484406208)

**Currently charting:** #144 Top Paid · Education (US App Store)

Create, organize, and study digital flashcards using your Apple Pencil. Add images, choose templates, and utilize spaced repetition for effective learning. Sync across devices and share your decks.

**Highlights:** Create custom flashcards with writing or drawing, Add images to flashcards, Choose from various templates, Organize cards into decks and folders, Spaced repetition study method, iCloud sync across devices, Export and share flashcard decks

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive interface
- ✨ Seamless Apple Pencil integration
- 🚀 Efficient for handwritten flashcards
- 💯 Helpful for studying and improving GPA
- 🎨 Customizable card designs

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔄 Sync issues between devices
- 📁 Lack of organization options (folders, search)
- ✏️ No text input option
- 🔍 Missing advanced review features (SRS, reminders)

**Reported bugs**

- Images not displaying correctly
- Inability to move or delete cards
- Unexpected data loss or card deletion

**Requested features**

- Add text input option
- Implement spaced repetition system (SRS)
- Allow for more card organization (folders, search)
- Improve sync and backup functionality
- Provide more customization options (colors, templates)


### 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


## Frequently asked questions

### Is Kyoku Flashcards free?

Kyoku Flashcards costs $3.99, with no in-app purchases.

### Is Feyn free?

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

### Which has better reviews, Kyoku Flashcards or Feyn?

Feyn is rated higher. Kyoku Flashcards averages 4.1 out of 5 from 109 ratings, while Feyn averages 4.3 from 101 ratings.

### Do Kyoku Flashcards or Feyn have ads?

Neither Kyoku Flashcards nor Feyn shows ads.

### Which is updated more often, Kyoku Flashcards or Feyn?

Kyoku Flashcards ships an update every 9 days, and Feyn every 9 days. Most recently, Kyoku Flashcards was updated on November 3, 2026 and Feyn on November 3, 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.*