# Quantum Mechanics Notes — From Double Slits to QFT

> From Double Slits to QFT (iPhone/iPad app by 际 郭.)

- Source: https://appshunter.io/ios/app/quantum-mechanics-notes/id6808079339 (this page in markdown: same URL + `.md`)
- Developer: [际 郭](https://appshunter.io/developer/6797282134)
- Category: Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 32 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-09-09
- Data updated: 2026-09-16
- User reviews in markdown: https://appshunter.io/ios/app/quantum-mechanics-notes/id6808079339/reviews.md

## What is Quantum Mechanics Notes?

Quantum Mechanics Notes — a complete quantum mechanics study system in your pocket.

WHAT THIS IS
An original, systematic library of quantum mechanics study notes — 47 articles organized into six parts along a natural learning path:

1. Quantum Behavior & Foundations — double-slit interference, wave-particle duality, uncertainty relations
2. Formalism & Mathematical Structure — Hilbert space, operators, the Schrödinger equation, path integrals
3. Many Bodies, Symmetry & Condensed Matter — identical particles, atoms and molecules, band theory, superconductivity, the quantum Hall effect
4. Quantum Information & Quantum Optics — entanglement, teleportation, quantum computing, field quantization
5. Relativistic Theory & Frontiers — the Klein-Gordon equation, the Dirac equation, quantum field theory, quantum gravity
6. Gems & Minerals Special Topics — crystal field theory, color centers, spectroscopy, first-principles methods

HIGHLIGHTS
· 6,200+ LaTeX formulas individually typeset — a reading experience close to a printed textbook
· 92 numerical simulation figures (interference buildup, band structure, decoherence dynamics, and more), each backed by a viewable Python script
· Everything works fully offline — no network needed, perfect for commutes, labs, and exam week
· Built-in LaTeX renderer: type or paste any formula and see it rendered instantly, with full-screen display
· Import your own Markdown notes and photo albums, and bind them to the articles you are reading
· Reading progress, table-of-contents navigation, dark and light themes

PLEASE NOTE
The notes are written in Simplified Chinese, and the app interface is in Chinese as well. Formulas, figures, and structure can be followed without Chinese, but the prose is not translated.

COMPLETELY FREE
The app is free with no ads, no paywalls, and no account required. "Support the Author" in Settings is an optional tip that unlocks nothing — all 47 articles are free for everyone, forever.

WHO IT'S FOR
Physics students preparing for exams or graduate-school entrance tests, researchers who need a quick formula reference, and self-learners who want a systematic understanding of quantum mechanics. Each article's mathematical level is labeled (L1 conceptual to L4 frontier), so you can choose your own starting point.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| 支持作者 ¥6 | $0.99 | one-time |
| 支持作者 ¥1 | $0.99 | one-time |
| 支持作者 ¥8 | $0.99 | one-time |
| 支持作者 ¥28 | $3.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-09-10

Version 1.0.1:

· Added full English UI support. You can now switch the app language between "System / Simplified Chinese / English" in Settings.
· Bundled 47 English study notes that mirror the Chinese content, readable in any language.
· Localized interface text, all six category titles, and Settings into English.
· Various fixes and reading-experience improvements.

### 1.0 — 2026-09-09

No release notes.

## More apps by 际 郭

- [Gemology Notes](https://appshunter.io/ios/app/gemology-notes/id6797660418)
- [PuffComic](https://appshunter.io/ios/app/puffcomic/id6800779811)
- [ModelLens](https://appshunter.io/ios/app/modellens/id6805873122)
- [FossilNotes](https://appshunter.io/ios/app/fossilnotes/id6807045981)
- [QM Simulator: Quantum Physics](https://appshunter.io/ios/app/qm-simulator-quantum-physics/id6809480339)

All apps by 际 郭: https://appshunter.io/developer/6797282134

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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 2026-09-16.*