Formula Kit

Equation LaTeX Math Editor

Free · In-App Purchases

A minimalist LaTeX formula editor, featuring assisted input, real-time rendering, one-click export, built-in formula library, and saved history. 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 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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1. Fix known issues.

Version 1.4

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.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

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    Information

    Size
    4.8 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.
    Languages
    English and 11 more
    • English, Arabic, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Provider
    yuliang Liu
    • yuliang Liu has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
    • Address
      China Mainland
      ANHUI
      Hefei City
      Taohua Town, Feixi County Hefei City, ANHUI 231200
      231200
    • Phone Number
      +86 15212799535
    • Email
      1135435784@qq.com
    Copyright
    © 2026 yuliang liu
  • Privacy Policy

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