Formula Kit
Equation Editor LaTeX Math
$0.99
A minimalist LaTeX formula editor, [one purchase, compatible with iPhone, iPad, and Mac, with no in-app purchases].
Your pocket LaTeX formula editor, whether it's writing academic papers, lesson preparation notes, or organizing science and engineering notes, FormulaKit can help you efficiently input, edit, and export formulas.
Core Features:
LaTeX real-time rendering is based on the KaTeX engine, with input visible immediately. Supports over 400 preset formula templates, covering 14 disciplines including algebra, calculus, linear algebra, probability and statistics, physics, chemistry, and computer science.
Exclusive auxiliary keyboard is a custom keyboard optimized for formula input, with clear symbol panel classification (Greek letters, operators, sets, arrows, matrices, etc.), precise cursor dragging, greatly improving input efficiency.
Image export, one click save formula as high-definition image to album, convenient for inserting documents, PPT or sharing with others; Code export, export Latex, MathML, HTML, SVG code.
Formula library and classification management support creating custom folders and categorizing to save formulas. Pre set 405 classic formulas out of the box, commonly used formulas can be easily saved with just one click.
History and preview automatically save editing history, supporting quick thumbnail browsing. Full screen preview mode, automatically prompted after copying the formula.
highlights
Completely offline - no network required, all functions run locally
Privacy priority - Formula data cannot be exported from the device
Lightweight and efficient - fast startup, smooth rendering
Pure offline payment - one-time purchase, permanent use
Target Audience
Students (high school/university/graduate)
Teachers and Professors
researcher
Engineers and technical writers
Anyone who needs to input mathematical formulas
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
1. Fix known issues.
The developer, 玉良 刘, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 玉良 刘
- Size
- 4.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 11 more
- English, Arabic, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2026 yuliang liu
