Application Performance Monitoring
Monitor with ease. Code with confidence.
Move from alert to fix, before your customers even notice. Easy to install. Straightforward to use. Powerful by design.
Error Tracking
Track exceptions, get error alerts, debug and fix bugs with ease.
- Detailed error reports
- Real-time error alerts
- Send to your issue tracker
- Tag errors with custom attributes
- Filter & find errors

Monitoring of choice for 10K+ developers
Supported Stacks
Know your app, front to back.
We love the diversity of languages that are used to build the web. AppSignal is a powerful APM that works out-of-the-box for the following languages and frameworks:
APM made simple
Nine powerful features.
One simple interface.
When the bits hit the fan, developers need clear and focused insights. AppSignal combines 9 powerful monitoring features into one APM — all in an easy to use interface.


Performance Monitoring
Monitor the performance of your slowest actions down to the nanosecond.
Explore feature
Host Monitoring
Monitoring for your servers: keep an eye on CPU, Disk, Network & more.
Explore feature
Anomaly Detection
Avoid surprises and set triggers for anomalies on any metric you'd like.
Explore feature

Metric Dashboards
Collect metrics from your code and chart them on interactive dashboards.
Explore feature


What our customers think
1500+ development teams rely on AppSignal to ship code with confidence. We are sharing a few of their stories with you.
APM in 5 minutes
Easy to install.
Low learning curve.
AppSignal is built for ease of use. The installation is effortless and we'll set most things up automatically. You'll be monitoring exceptions and performance in no-time.
# Add to Gemfile source "https://rubygems.org" gem "appsignal" # Ruby app installation bundle exec appsignal install YOUR_PUSH_API_KEY
# Add to mix.exs def deps do [{:appsignal, "~> 1.0"}] end # Elixir installation mix deps.get mix appsignal.install YOUR_PUSH_API_KEY
// Install AppSignal yarn add @appsignal/javascript npm install --save @appsignal/javascript // Initialize AppSignal import Appsignal from "@appsignal/javascript" // For ES Module const Appsignal = require("@appsignal/javascript").default // For CommonJS module const appsignal = new Appsignal({ key: "YOUR FRONTEND API KEY" })
// Install AppSignal npx @appsignal/cli install // Initialize AppSignal const { Appsignal } = require("@appsignal/nodejs") const appsignal = new Appsignal({ active: true, name: "YOUR APPLICATION NAME", pushApiKey: "YOUR API KEY" })
# Add AppSignal to requirements.txt file appsignal # Run the following commands to install AppSignal pip install -r requirements.txt python -m appsignal install
Lightweight agent
AppSignal's monitoring agent is built with Rust. It's lightweight, stable and already runs in thousands of applications.
Dev-to-dev support
If you need us, we're there for you. We're committed to making AppSignal monitoring great for you and your team.
GDPR Compliant
Got customers in the EU? Our data processing is GDPR compliant.
99.999% Uptime
If there's one thing you need to trust, it's your APM. We're ready to help you monitor, at every scale.
Start your free trial
Don’t let the bad bugs bite. Try AppSignal for free.
AppSignal offers a 30-day free trial, no credit card is required. All features are available in all plans. Start monitoring your application in just a few clicks!