kelvyn
Thermometer for your iPhone
About
This app displays real-time outdoor temperature readings from a custom-built wearable microcontroller. It tracks historical data, showing trends and averages on an analog-style graphic, and connects via Bluetooth for up-to-the-second awareness.
What's New in kelvyn
1.0
October 22, 2025
Developer apps
FAQ
What is kelvyn?
kelvyn is an application that displays the current outside temperature from a wearable microcontroller project you build. It connects via Bluetooth to provide up-to-the-second temperature awareness.
Does kelvyn require a wearable microcontroller?
Yes, kelvyn is designed to display temperature data from a wearable microcontroller project that you build. It does not function as a standalone weather app.
What temperature units does kelvyn support?
kelvyn can display the current temperature in either Fahrenheit or Celsius, offering flexibility based on user preference.
Can kelvyn track temperature history?
Yes, kelvyn keeps track of previous timed readings and graphs them over days, weeks, and months. It also provides averages and trends.
What devices does kelvyn support?
kelvyn is currently supported on iPhones. It utilizes Bluetooth for connectivity.
How often is kelvyn updated?
The latest version of kelvyn, 1.0, was released and last updated on October 22, 2025. Future updates will depend on developer plans.
What is the age rating for kelvyn?
kelvyn has an age rating of 4+, making it suitable for a wide range of users.
Does kelvyn have ads?
No, kelvyn is ad-free. It does not contain advertisements.