Hermai
TRMNL devices from anywhere
About
This app provides a focused and private way to manage your TRMNL e-ink devices. View device status, inspect details, set up new devices, and retrieve API keys directly from your phone or tablet. Its minimalist interface is designed to respect your attention.
What's New in Hermai
1.0
March 11, 2026
FAQ
What is Hermai?
Hermai is a minimalist companion app designed for owners of TRMNL e-ink devices. It allows you to manage your devices, view their status, and access important information like API keys directly from your smartphone or tablet.
Is Hermai free to use?
Yes, Hermai is available for free. There are no in-app purchases or subscription fees required to use its core functionalities.
What devices does Hermai support?
Hermai is compatible with both iPhone and iPad devices, allowing for flexible management across Apple's mobile ecosystem.
How does Hermai ensure privacy?
Hermai is built with privacy in mind and has no backend server. Your API keys are stored securely on your device using iOS Keychain and are only transmitted directly to the TRMNL API, with no analytics or tracking involved.
Can I see what's on my TRMNL device screen with Hermai?
Yes, Hermai provides a live preview of what each TRMNL device is currently displaying. This allows you to inspect e-ink rendering and content without needing to access a web browser.
How often is Hermai updated?
Hermai was last updated on March 11, 2026, with version 1.0. The developer, Tomita Militaru, has released this initial version, suggesting ongoing support and potential future updates.
What is the age rating for Hermai?
Hermai has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may be involved with TRMNL devices.
Does Hermai have ads?
No, Hermai is ad-free. The app is designed to provide a calm and focused experience, free from advertisements.
