# Feyn vs OCTO Flashcards

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.

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.

## The numbers

| Metric | Feyn | OCTO Flashcards |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (91 ratings)](https://appshunter.io/ios/app/feyn-flashcards/id1533923364/reviews)** | [2.6 (16 ratings)](https://appshunter.io/ios/app/octo-flashcards/id1664003220/reviews) |
| Number of ratings | **91** | 16 |
| Positive reviews | **79.9% of reviews** | 53.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 14 MB | 20 MB |
| Requires iOS | 16.1 | **15.4** |
| Devices | **iPhone, iPad, Mac** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joaquin Alori](https://appshunter.io/developer/1527923529) | [Elaine Kodama](https://appshunter.io/developer/1664003222) |

## 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

**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


### OCTO Flashcards

[App page](https://appshunter.io/ios/app/octo-flashcards/id1664003220)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is Feyn free?

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

### Is OCTO Flashcards free?

OCTO Flashcards is free to download, with no in-app purchases.

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

Feyn is rated higher. Feyn averages 4.3 out of 5 from 91 ratings, while OCTO Flashcards averages 2.6 from 16 ratings.

### Do Feyn or OCTO Flashcards have ads?

OCTO Flashcards shows ads; Feyn does not.

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

Feyn ships an update every 9 days, and OCTO Flashcards every 11 days. Most recently, Feyn was updated on September 22, 2026 and OCTO Flashcards on August 20, 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.*