The latest version of Nightbell APK (v3.19.0) is available to download. Uptime monitoring that runs on your phone. No server, no account. This app works on Android phones and tablets.

About Nightbell APK
Point Nightbell at anything that answers over HTTP, or at one element on a rendered web page, and it watches it, charts it, and gets loud when it breaks. There is no server and no account. The phone in your pocket does the checking, and your API tokens and target URLs never leave the device. Three kinds of monitor: – Status check: hit a URL, assert on the status code. – Request and response: pick the method, set headers and a body, assert on what comes back (contains, equals, regex, or a JSON field by path). – Page element: load the real page in an embedded browser and watch DOM nodes you picked by tapping them. Urgent alerts arrive as a full-screen red page with a looping alarm that keeps going until you acknowledge it, and it wakes the screen even if the phone is locked. A first-launch screen walks through the four Android grants a paging app actually needs…
Nightbell APK was developed by river and is available under the Apache-2.0 open-source license. This means the source code is public and anyone can inspect it. If you like Development apps, you can also browse more apps in this category.
Nightbell APK Information
| App Name | Nightbell |
| Package | me.river.nightbell |
| Version | 3.19.0 |
| Size | 3 MB |
| Requires | Android 8.0 and up |
| Category | Development |
| Developer | river |
| License | Apache-2.0 |
| Source | F-Droid |
| Last Updated | October 27, 2026 |
Download Nightbell APK v3.19.0
How to Install Nightbell APK on Android
- Download the Nightbell APK file using the button above.
- Open your phone Settings and allow “Install unknown apps” for your browser or file manager.
- Tap the downloaded APK file and press Install.
- After installation, open Nightbell from your app drawer.
Why Download Nightbell APK from Here?
We link Nightbell APK directly from F-Droid, so the file is original and we make no changes to it. Whenever a new version is released, this page is updated automatically, so you always get the latest Nightbell APK.
Frequently Asked Questions
Is Nightbell APK free?
Yes, Nightbell APK is free and available under the Apache-2.0 open-source license.
Is Nightbell APK safe?
This file comes from the official F-Droid repository, where apps are open source and their source code is public. Still, always check an app’s permissions before installing it.
Which Android version does Nightbell APK need?
Nightbell APK requires Android 8.0 and up to run.
What is the latest version of Nightbell APK?
The latest version is 3.19.0, updated on October 27, 2026.
Official page: Nightbell official website / source
