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Weather

40 Below

By Fruit Stand Software, LLC

40 Below shows the local outdoor temperature in Fahrenheit and Celsius side by side.

View on the App Store Official website
Our take

Choose it if you regularly compare temperatures across the two scales when traveling or talking with others.

The same dual-unit view covers the feels-like temperature and upcoming hourly temperatures.

Keep in mind: The app is focused on temperatures; it is not a replacement for a full weather or emergency-alert app.

What you can do

  • Read current and feels-like temperatures in both units
  • Check the next hours
  • Share a card with or without the location

App Store review themes

Recurring praise and complaints, grouped by topic.

3 reviews · US App Store · Written feedback; review platforms are not identified

What reviewers like

No recurring positive theme has at least three supporting reviews.

What reviewers dislike

No recurring negative theme has at least three supporting reviews.

Good for

  • People who frequently switch between Fahrenheit and Celsius

Consider alternatives for

  • Anyone seeking a detailed precipitation or radar app

Limitations & considerations

  • Captured minimum: iOS 26.2.
  • The app is focused on temperatures; it is not a replacement for a full weather or emergency-alert app.

Privacy & permissions

Location is used for local conditions. The publisher says you can omit it from a shared card.

Sources & review notes Updated Nov 11, 2026

Reviewed by iApp4Me Editorial Team. Recommendations use the linked documentation and attributed accounts; device observations are identified separately.

  1. US App Store developer description

    Complete description, download price and compatibility metadata captured 2026-11-02.

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Review themes: 3 US App Store written reviews, updated Mar 13, 2026–Mar 14, 2026. Collected Nov 6, 2026.

Review sources & grouping details

These themes use the completed local review collection and Codex analysis: the latest accessible written reviews within one year, up to 500 per app. This is an accessible sample, not a guarantee of all reviews or a measure of all users.

The feed does not identify each review’s platform. Its date is an update timestamp and may reflect an edited review. Versions shown belong to individual reviews; reported limitations are not verified current-version behavior.

Codex grouped explicit opinions from the review text, with original-text evidence retained. Counts use distinct review IDs, independently of star rating. A review may appear in several topics. The three most-mentioned topics per side are shown first; where more are available, expand the list to see every topic supported by at least three reviews. Group summaries describe recurring aspects across the group; individual examples retain their own context and do not stand in for the whole group. 1 reviews were too general, unclear or off-topic to assign a specific theme. Example summaries are paraphrases; the labeled excerpts are original review text. Analysis updated Nov 10, 2026.

  1. Apple US review feed — page 1.