Lemma - 수식 Markdown 노트

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About this app

Lemma is a Markdown note app for people who frequently write formulas and code.

■ Live Preview
Only the line where the cursor is located displays the original Markdown text, while the rest is rendered immediately. It supports headings, bold, italics, strikethrough, and highlighting, lists and checkboxes, quotes and callouts, tables, images, and footnotes.

■ Formulas
LaTeX inside $…$ and $$…$$ is displayed as a formula immediately upon typing.

· Snippets: Within formulas, typing // changes it to a fraction, @a to α, and x1 to x₁ immediately.

· Formula Keyboard: Tapping a formula allows you to edit it using the dedicated formula keyboard.

■ Linking and Finding Notes

Link notes using [[Note Name]] and view their structure via outlines and backlinks. You can search across all notes, and searching by two Korean characters is also supported.

■ Code Blocks
Language-specific syntax highlighting and a copy button.

■ Other
· Auto-save
· Light and dark themes
· No account required and no ads
· Notes are saved only on the device

Note: This version does not sync between devices, and notes are stored within the app and will be deleted if the app is uninstalled.
Markdown notes where formulas are immediately visible. Only the writing area is in original text, the rest is neat.
Updated on
Nov 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

Lemma의 첫 버전입니다.
· 라이브 프리뷰 Markdown 에디터
· 수식 스니펫과 수식 키보드
· 노트 연결, 개요, 검색
Content rating
Everyone
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App support

About the developer
프로트루
frotrue.dev@gmail.com
대한민국 17041 경기도 용인시 처인구 백옥대로1414번길 21-9, 101동 201호(유방동, 다복빌라)
+82 10-4006-8307

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