# Cairnote: Memorize Flashcards — Hide notes, recall, PDF study

> Digital notebook for active recall memorization and exam preparation. (iPhone/iPad app by 洪印 李.)

- Source: https://appshunter.io/ios/app/cairnote-memorize-flashcards/id6824822229 (this page in markdown: same URL + `.md`)
- Developer: [洪印 李](https://appshunter.io/developer/6824730572)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 16.0 · 5 MB
- Languages: American English, Arabic, French (France), German (Germany), Italian, Japanese, Korean, Brazilian Portuguese, Russian, Chinese (Simplified, China) and 2 more
- Released: 2026-10-27
- Data updated: 2026-11-06
- Monetization: freemium

## What is Cairnote?

Cairnote is a notebook that helps you review. Put in texts, vocabulary, formulas, lecture notes and past mistakes, hide the key points, then recall before you reveal. This is active recall, a method research shows works well. Great for memorizing, exam prep, languages and building knowledge.

HIDE THE KEY POINTS
· Select text and tap Hide
· Swipe on a picture to cover labels and parts
· Hide whole cells in a table
· Import a PDF and cover text right on the page; highlight it and export the marked-up PDF

QUIZ YOURSELF
· Switch to Quiz while reviewing, type your answers, and Cairnote scores them
· See your accuracy trend and the notes that need the most work
· Long-press a word to look it up

BRING YOUR MATERIAL IN
· Scan textbook pages and handouts; text is recognized automatically
· Share text, pictures or a web page's article from any app
· Import PDF, Word, TXT and Markdown

REVIEW AT THE RIGHT TIME
· The FSRS algorithm schedules each note: what you know well comes back later, what you forget comes back sooner
· Rate each review: Remembered, Fuzzy or Forgot
· Open Today for a few minutes a day, keep your streak, and see your review history

LEARN BY LISTENING
· Read a note or a single paragraph aloud, loop it, change the speed
· Record yourself or your teacher and play it with one tap
· Smart Listening picks what's due so you can review on the go

iPHONE AND iPAD
· Full-screen iPad layout with a pinned sidebar
· Upload to your own iCloud and download on another device; a copy is kept so you can undo

YOUR NOTES ARE YOURS
· No account; notes stay on your device by default
· Full backup export and restore
· No ads, no personal data collected

FREE AND PRO
· Free: 10 notes with up to 100 hidden items in total (Quick Start and the sample note don't count)
· One note can hold a whole chapter
· Subscribe (monthly or yearly) or buy Lifetime for unlimited notes and hidden items
· You can always read and export every note; without Pro, 10 of them can be reviewed

Privacy Policy: https://cairnote.github.io/privacy.html
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Active recall flashcard creation
- Hide and reveal key information
- PDF annotation and import
- Spaced repetition algorithm (FSRS)
- Self-quizzing with scoring
- OCR for text recognition
- Audio playback and recording

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Cairnote Pro Yearly | $17.99 | per year |
| Cairnote Pro Monthly | $1.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Cairnote Pro Lifetime | $35.99 | one-time |


## Is Cairnote safe?

Not enough ratings yet to assess Cairnote.

## Is Cairnote legit?

Cairnote: Memorize Flashcards has limited verification signals. The AppsHunter Legitimacy Score for Cairnote is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about Cairnote

### What is Cairnote's primary learning method?

Cairnote utilizes active recall, a scientifically proven method where users retrieve information from memory rather than passively reviewing it. This involves hiding key points and then quizzing oneself to reinforce learning.

### Can I use Cairnote to study from PDFs?

Yes, Cairnote allows you to import PDFs and cover text directly on the page. You can also highlight text and export the marked-up PDF, making it a versatile tool for studying existing documents.

### How does Cairnote help with spaced repetition?

Cairnote incorporates the FSRS algorithm to schedule your reviews. This algorithm ensures that material you know well is revisited less frequently, while information you struggle with appears sooner, optimizing your learning efficiency.

### Does Cairnote have ads?

No, Cairnote is ad-free. The developers state that no ads are present in the application, ensuring an uninterrupted study experience.

### What are the limitations of the free version of Cairnote?

The free version of Cairnote is limited to 10 notes, each containing up to 100 hidden items in total. While you can read and export all notes, only 10 can be actively reviewed in the free tier.

### What subscription options are available for Cairnote?

Cairnote offers a Pro subscription with monthly and yearly plans. You can also purchase a Lifetime option for unlimited notes and hidden items, providing full access to all features.

### Is Cairnote available on multiple devices?

Cairnote is designed for iPhone and iPad. It supports uploading to your own iCloud, allowing you to download and access your notes on another device seamlessly.

### How does Cairnote handle user data and privacy?

Cairnote prioritizes user privacy by not requiring an account by default, keeping notes on your device. They explicitly state that no personal data is collected, and full backup export and restore options are available.

## Version history (last 3 releases)

### 1.1.1 — 2026-11-03

Fixed an issue where, for some users without a subscription, notes could disappear after reopening the app.
Downloading from iCloud now confirms your notes are saved on this device and tells you if they aren't.

### 1.1 — 2026-10-31

What's new in 1.1

· Quiz: type your answers while reviewing and get an automatic score; accuracy trend in Stats
· Key Points: only the paragraphs with hidden parts, so you recall them in context
· Scan documents: photograph textbooks and handouts, text is recognized
· PDF highlighter and export
· Tables with hideable cells
· Long-press to look up a word
· Review history: time and result of each session
· Sharing a web page saves the article text
· iPad version
· iCloud: manual upload and download, with undo
· Messages: news and notices from Cairnote, optional alerts
· iOS 26 design; fuller English interface

Free plan update: 10 notes and up to 100 hidden items in total. Extra notes can be read and exported; reviewing them needs Pro.

### 1.0 — 2026-10-27

No release notes.

## Related topics

[momotaro-language study](https://appshunter.io/ios/topics/momotaro-language-study)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-06.*