About
This app allows users to create custom push notification listeners that can be triggered remotely via simple HTTP requests. It's designed for developers and system administrators to receive instant alerts from their infrastructure, CI/CD pipelines, servers, or IoT devices without complex SDK integration.
What's New in ByN
1.1
September 16, 2026
1. New Monitors feature - find out when your services are interrupted. 2. New ping URLs for both listeners and monitors. The ping URL can be easily revoked and updated.
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FAQ
How does ByN work?
ByN allows you to create custom notification 'listeners' within the app. You can then trigger these listeners from anywhere using a simple HTTP POST request and your API key, resulting in an instant push notification on your registered devices.
What are the use cases for ByN?
ByN is useful for CI/CD alerts, server monitoring, IoT and smart home notifications, cron job status, and home automation systems that can make HTTP requests.
Is ByN free to use?
Yes, ByN is available for free. The app is listed as 'Free' with no mention of in-app purchases or subscriptions.
Does ByN have ads?
No, ByN is ad-free. The description explicitly states 'No tracking, no ads, no data selling.'
How do I set up ByN?
Download the app, sign in with your email via a magic link, create a listener with custom details, copy your API key from settings, and then send an HTTP POST request to trigger a notification.
Can I receive notifications on multiple devices with ByN?
Yes, ByN supports multi-device registration, meaning all your registered phones and tablets will receive notifications.
What platforms is ByN available on?
ByN is available on iPhone and iPad devices, as indicated by its support for 'iphone', 'ipad', and 'ipod'.
How often is ByN updated?
The latest version of ByN was released on 2026-06-23, suggesting frequent updates. The app has a perfect 5.0-star rating from 2 reviews.