Logo of AppSignal



Ruby & Elixir

Catch errors, track performance, monitor hosts, detect anomalies — all in one tool. AppSignal is used by thousands of developers like you and monitors over 60 billion requests a month.

Try it now — free for 30 days

5 minute install. No credit card needed.

Application monitoring for Ruby Rails Elixir Phoenix and many more.

Packed with features.

Real-time alerts.
Amazing insights.

Get real-time alerts for issues in your applications. Dive deep into your requests and data to debug issues to their core.

Built for developers.

Upgrade your workflow to AppSignal.

Even in 2019, many Ruby and Elixir developers are patching together error tracking and performance monitoring tools to get a full picture of their apps, and are alt-tabbing during incidents to collect all necessary information about errors and performance.

Not with AppSignal. We make your life as a developer easier. Not only are all insights found in a single interface, we also spend a crazy amount of time to make AppSignal amazing to use.

Because the tools should work for developers, not the other way around.

Get notifications where your team needs them.

You don't want to chase after information. So we bring it to your doorstep, whether that's email or Slack. You can find more details on how to integrate with Flowdock, HipChat, OpsGenie and more in our documentation.

Read our docs

Fine-grained control over your notifications.

Get notified exactly when you want to. Get an alert for every single error, the first error per deploy, or no error notifications at all.

Set alerting thresholds for slow controller actions and background jobs between 200ms and 60 minutes.

Amazing support by our development team.

We don't do "first line" and "second line" support: you get to speak with a developer, immediately. Our developers are committed to helping you solve any problems so you can get everything out of AppSignal.

Send issues to trackers.

Most of our customers use a third party service to track issues or tasks. So when an error or performance issue needs fixing, you want to send all the details to the tool your team uses.

With AppSignal, creating an issues with all the necessary details is just a click away. Or, use AppSignal's built in issue states instead.

Powerful team management.

Add users to teams and give them access to specific or all apps, existing or new. Additionally, grant owner status to colleagues so they can access billing settings, invoices and team management features.

A focussed interface

Developer tools do not need to be complicated and ugly. And we're here to prove it. Our interface is all about focus. Simple and clear, so features are easily accessible.

Easy installation.

Install AppSignal in just 5 minutes.


Sign up

Sign up with GitHub or plain old email and create an organization. This is an umbrella for all your apps, team management and billing.


Elixir or Ruby?

Choose Elixir or Ruby and get the installation instructions for your setup. Our integrations are used on thousands of apps and we support most of the common setups.


Command line install

Our CLI provides you with a dynamic installer that checkes your specific setup and helps you install AppSignal. Deploy to production and start getting real-time alerts and amazing insights.

Pay for requests. Simple & affordable.

Our pricing is simple: we charge you for the requests we are monitoring for you. And yes, that means unlimited hosts, errors, applications, metrics and team members. The first 30 days are on us, no matter how much requests you send us!

So, what is a request?

A request is any background job or controller action that is executed. Eg. an hourly job generates 720 requests per month. Web requests depend on your traffic, but we don't count assets, cached resources and things like that.

Control your requests

It's easy to ignore specific actions and limit the number of requests you send us. This is useful if you don't care about monitoring some high-volume, low-importance parts of your app.

monthly usage



Show me prices in
on a
monthly yearly

Our customers mean the
hello world
to us.

Our product is built by developers for developers. The developer mindset flows through every part of our company. So if a developer like you compliments our product, it means the world to us.

Stefan Dorresteijn @StefanJD

Man, AppSignal is an absolute godsend. Just fixed 2 errors in production, 2 minutes after they happened.

Saul Costa @SaulDCosta

AppSignal your "What Happened Here?" feature is pure gold. Just turned what would have been hours of debugging into minutes. I love you.

Parker Wightman @parkerwightman

Really, really enjoying AppSignal. Great customer support, reliable, regular and thoughtful product improvements.

Matt Henderson @dafacto

Hands down, some of the best customer support I’ve ever received is from AppSignal. In my view, they’ve set the standard.

Juliana Dias @juuh42dias

I'm very impressed with AppSignal <3 AppSignal congrats for your product 👏👏👏

UpLaunch @uplaunch

AppSignal that moment when I can hit up a client telling them about their error before they even submit a ticket. Thanks for being awesome

Monitor your app. Start your free trial today.

We offer a 30 day free trial, but who doesn't? What sets us apart is the way we care for you. We're just a chat message or email away and would love to help you get your app in the best shape possible.

You will be joining the ranks of these organizations:

Read our WeTransfer case study to learn how we monitor their 20B requests each month.

We'd like to set cookies, read why.