SimpleVenti

Easily calculate ventilation

Free · Designed for iPad

Professional-grade ventilation calculations and duct sizing made accessible to everyone. From HVAC professionals to DIY enthusiasts, this app simplifies complex engineering calculations. ■ Key Features • Automatic ventilation requirement calculation • Optimal duct sizing • Calculation history management • Intuitive user interface ■ Supported Calculations • Ventilation requirements (m³/h) • Duct cross-sectional area (circular & rectangular) • Air velocity & pressure loss • Various ventilation systems ■ Highlights • No technical knowledge required • Accurate calculation results • Offline functionality • Japanese & English support Perfect for architectural design, HVAC design, construction management, and more.

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【New Features】 • Added ventilation equipment functionality • Enhanced ventilation calculation options 【Improvements】 • Enhanced calculation accuracy • Improved user interface • Performance optimization 【Bug Fixes】 • Minor bug fixes • Improved stability

The developer, Kotaro Tanaka, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

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

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Kotaro Tanaka
  • Size
    • 33.5 MB
  • Category
    • Business
  • Compatibility
    Requires iOS 12.0 or later.
    • iPhone
      Requires iOS 12.0 or later.
    • iPad
      Requires iPadOS 12.0 or later.
    • iPod touch
      Requires iOS 12.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    • English and Japanese
  • Age Rating
    4+
  • Copyright
    • © 2025SetsubiTaro