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AppSignal

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Developer tools · Vendor site 2026-10-04

AppSignal is an application monitoring platform for Ruby, Elixir, Node.js, and Python teams. It combines error tracking, performance monitoring, host metrics, logs, uptime checks, and anomaly detection in one interface so developers can spot regressions from first deploy through production scale.

Updated 2026-10-04View sources
Official website
Category
Developer tools
Free access
Free plan includes 30K requests per month, 1GB logging, and 5-day retention with no credit card required.
API access
Documentation covers integrations, OpenTelemetry, and an MCP Server listed in the product navigation.

Is AppSignal right for you?

A good fit for

Backend developers who want unified error and performance monitoring across Ruby, Elixir, Node.js, and Python stacks.

Before you choose

Public plans page labels the entry paid tier generically and quotes yearly billing for the 250K-request monitoring tier rather than simple flat monthly list prices.

Monitoring that just works

AppSignal emphasizes grouped exceptions with backtraces, slow endpoint and query visibility, and alerting tied to deploys so teams can diagnose production issues quickly.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

CapabilityValueEvidenceChecked
Core monitoringHomepage promises error tracking and performance monitoring with dashboards ready from the first deploy.Facts sourced2026-10-04
Language supportNavigation lists APM and error tracking for Ruby, Elixir, Node.js, JavaScript, Python, Go, Java, PHP, and Rust.Facts sourced2026-10-04
Free tier limitsPlans page specifies 30K requests, 1GB logging, and 5-day retention on the free plan.Facts sourced2026-10-04

Understand the total cost

AppSignal pricing & plans

Free plan

Free

No credit card required

Requests
30K requests per month
Logging
1GB logging with 5-day retention
Explore pricing & history

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The practical questions

Frequently asked questions

What is AppSignal used for?

AppSignal is an application monitoring platform for Ruby, Elixir, Node.js, and Python teams. It combines error tracking, performance monitoring, host metrics, logs, uptime checks, and anomaly detection in one interface so developers can spot regressions from first deploy through production scale.

Does AppSignal have a free plan?

Free plan includes 30K requests per month, 1GB logging, and 5-day retention with no credit card required.. This record lists ongoing free access; check the plan limits before starting.

How much does AppSignal cost?

No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use AppSignal through an API?

Documentation covers integrations, OpenTelemetry, and an MCP Server listed in the product navigation.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Public plans page labels the entry paid tier generically and quotes yearly billing for the 250K-request monitoring tier rather than simple flat monthly list prices.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Facts apply to the named version and check date. Send a sourced correction if something changed.