Multi Weather -Compare Models

Compare multiple forecasts

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Compare the official JMA forecast and multiple numerical models side by side. Spot risk from model disagreement and make on-site Go/No-Go calls fast. CSV export. Multi Weather lines up several forecasts side by side so you can spot the disagreement at a glance. Instead of trusting one forecast, compare the official JMA forecast and multiple numerical models to make on-site Go/No-Go calls fast. ■ Compare multiple models at once See JMA (official), GFS (NOAA), MET Norway, Apple and DWD — whichever are available for your location — in one timeline. Weather icons, precipitation (amount/probability), wind, temperature and humidity, side by side. ■ Spot risk from model disagreement Hours where the models disagree (high uncertainty) are highlighted. The way professionals reason from model spread — in seconds, for anyone. ■ Evidence export (CSV) Export the comparison as CSV to share. Hand a clear basis for a stop/postpone decision to clients or contractors. ■ Jump to other services Open JMA, tenki.jp, Yahoo Weather or Windy for the exact spot you're viewing, in an in-app window. ■ Built for the field For construction, civil works, ports, surveying, drones, film shoots, fishing and hiking — anything weather-dependent. Note: This app does not produce its own forecast. It is a comparison tool for confirmed open data and official agency forecasts (e.g. JMA). Final decisions are your responsibility. The first 30 days are completely free. To keep using all features afterward, an auto-renewing subscription (monthly or yearly) is required — cancel anytime. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://qconp.com/privacy

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Bug fix: Resolved an issue where some features could remain locked after a purchase / subscription started when a network delay occurred.

Version 1.0.2

The developer, QAEE CONPUUTENG, 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 Linked to You

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

    • Purchases
    • Location
    • Identifiers
    • Usage Data

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

Accessibility

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

Information

Seller
  • QAEE CONPUUTENG, INC.
Size
  • 23.4 MB
Category
  • Weather
Compatibility
Requires iOS 14.0 or later.
  • iPhone
    Requires iOS 14.0 or later.
  • iPad
    Requires iPadOS 14.0 or later.
  • iPod touch
    Requires iOS 14.0 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 2 more
  • English, Japanese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 qconp
  • Privacy Policy

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