Report updated Apr 17, 2026
Franz Fahrenheit (& Celsius)
For expats and international travelers who need to navigate both Celsius and Fahrenheit temperature scales.
Overview · Full Intel report in progress
Franz Fahrenheit (& Celsius) is an established weather app that is free with in-app purchases. With a 4.8/5 rating from 1.3K reviews, it shows polarized user reception.
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Displays weather data in both Celsius and Fahrenheit simultaneously.
Provides customizable widgets for quick access to weather information directly from the device screen.
Integrates weather information sourced from Apple Weather and The Weather Company.
How much does it cost?
Who Built It?
Björn Schefzyk
Providing specialized utility and wellness tools through AI-driven audio and data tracking. Helping users manage daily tasks, health, and travel through focused, single-purpose mobile experiences.
Portfolio
8
Apps
What other apps does Björn Schefzyk make?
Superchill – PMR
WikiTrip – Travel Audio Guide
Octo AI – Microlearning
Dottie – AI Journal & Diary
Taco – AI Calorie Tracker
Keep – Personal CRM
Explore the full Björn Schefzyk report
Portfolio breakdown, audience, momentum, and every app published by Björn Schefzyk.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Franz Fahrenheit (& Celsius)?
How's The Weather Market?
How does it evolve in the Weather market?
Rank progression
18 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Franz Fahrenheit (& Celsius)
Key Takeaways
While the app effectively solves the niche problem of dual-scale temperature tracking, recent user feedback indicates friction regarding the paywalling of widget functionality.
Where Is It Heading?
Trend analysis
Available very soon