Report updated Apr 23, 2026
Tempermental
For international travelers and business professionals requiring quick temperature unit conversions.
Overview · Full Intel report in progress
Tempermental is an established travel app that is a paid app.
What is Tempermental?
Current Momentum
v1.2
- Improved layout on various device sizes.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Provides instant conversion between Fahrenheit and Celsius scales.
Includes native support for both light and dark mode themes.
How much does it cost?
Who Built It?
Jonathan Judelson
Developing a diverse suite of lightweight utility and lifestyle tools designed to simplify specific daily tasks and routines.
Portfolio
13
Apps
Who is Jonathan Judelson?
Judelson operates as a high-velocity micro-utility studio, prioritizing a broad horizontal footprint over deep vertical specialization. The portfolio's strength lies in its rapid deployment cycle and a pivot toward privacy-centric, local-first tools that leverage on-device processing. The primary strategic signal is the publisher's ability to maintain an active presence across more than a dozen categories simultaneously, suggesting a 'rapid prototyping' model where niche utilities are tested and iterated upon in real-time.
Who is Jonathan Judelson for?
- General mobile users seeking specialized
- Often ad-free tools for specific tasks such as bill splitting
- Habit tracking
- Or holiday rituals
Portfolio momentum
Maintains an intense development pace with 39 releases across the portfolio in the last 6 months and a high ratio of active titles.
What other apps does Jonathan Judelson make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for Tempermental?
How's The Travel Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Tempermental
Key Takeaways
A straightforward, paid utility tool focused exclusively on temperature unit conversion for global users.
Where Is It Heading?
Trend analysis
Available very soon