# YNotes: AI Notes, PDF, Study — Free AI. Circle. Ask AI.

> Free AI. Circle. Ask AI. (iPhone/iPad app by 佳辉 瞿.)

- Source: https://appshunter.io/ios/app/ynotes-ai-notes-pdf-study/id6760791622 (this page in markdown: same URL + `.md`)
- Developer: [佳辉 瞿](https://appshunter.io/developer/1886015317)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 24 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2026-05-02
- Data updated: 2026-08-22
- User reviews in markdown: https://appshunter.io/ios/app/ynotes-ai-notes-pdf-study/id6760791622/reviews.md

## What is YNotes?

Most notebooks help you write neater. YNotes helps you learn deeper.

Circle a handwritten problem and AI explains it on the spot. Select a paragraph and get the entire page translated side-by-side. Every AI answer becomes a flashcard that links back to the original problem.

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AI-Native Interaction
Circle to Ask: draw a circle, AI sees your problem and handwriting
Three modes: Tutor hints / Full solution / Free Q&A
Paste-back: AI answers drop directly into your notes

PDF Reading & Translation
Full-page parallel translation: offline, free, unlimited (Apple Translation)
Document-level AI chat: smart summaries, progressive questions
Outline & Mindmap: switch between linear and spatial views

Handwriting Experience
Built on PencilKit: the most natural Apple Pencil feel
Shape recognition, lasso, handwriting-to-text
Custom brushes, stickers, tape, layers

The Learning Loop
One-tap flashcards from any AI answer
Jump back to the original PDF page
AI generates similar problems for practice

Classes & Meetings
Audio playback that follows your pen strokes
Live transcription + structured meeting notes
Split-screen notes + video picture-in-picture

Sync & Details
iCloud sync across iPad, iPhone, Mac
Export to PDF anytime
Dark mode for long reading sessions

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Subscription
Free: core features, forever
Pro: unlock AI features with a larger quota
Pro+: everything, including priority AI

Auto-renews; cancel anytime in Apple ID settings.

Privacy: https://ynotesapp.com/privacy
Terms: https://ynotesapp.com/
Feedback or questions: yan123412347@gmail.com

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro+ Monthly | $9.99 | per month |
| Pro Yearly | $29.99 | per year |
| Pro+ Yearly | $79.99 | per year |



## Version history (last 5 releases)

### 1.0.5 — 2026-08-19

The previous bug has been fixed
Updated synchronization for iPhone and the cloud

### 1.0.4 — 2026-05-07

Fix the color matching issue of the software

### 1.0.3 — 2026-05-06

Handwriting optimization

### 1.0.2 — 2026-05-05

AI context understanding optimization ensures that the original topic is not lost in long conversations

### 1.0.1 — 2026-05-04

Updated App Store visuals

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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 2026-08-22.*