Skylight

7.7easy start · #7of 33
in Application Performance Monitoring

Free to practise onyes
Free trialyes
Well documentedyes
Runs where you workyes

Runs on api, Linux, Mac, Web. Paid plans from $20/mo.

Skylight is ranked #7 of 33 in application performance monitoring on The Geeks Club. It runs on API, Linux, macOS, Web. There is a free plan. A free trial is offered. Paid plans start at $20/mo.

Skylight plans and pricing

All plans

Free allowance Free 100,000 free traces per month for every account 100,000 monthly traces skylight.io · 10 Oct 2026

Paid tiers $20/mo Starting at $20 per month; billing is based on monthly traces across all apps Tiers automatically adjust to monthly trace volume skylight.io · 10 Oct 2026

Volume pricing Email [email protected] for volume pricing More coverage; contact for pricing information skylight.io · 10 Oct 2026

Compared on application performance monitoring

Free plan: Yes
Transaction tracing: Yes
Real user monitoring: No
Deployment model: cloud

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The record

Product: Skylight is a smart profiler for Ruby and Rails applications that turns performance data into actionable insights.
Endpoint prioritization: Skylight ranks endpoints by “agony,” a combination of popularity and response time.
Deploy tracking: Skylight plots deploys on a graph to show how code changes affect performance.
Background jobs: Skylight supports performance analysis for Sidekiq, DelayedJob, and ActiveJob queues.
Frameworks: Skylight supports Ruby frameworks including Rails, Sinatra, and Grape.
Diagnostics: Skylight can flag allocation hogs and repeated queries that may slow an app.
Query analysis: The endpoint timeline provides aggregated, sanitized SQL queries for troubleshooting.
GraphQL: Skylight aggregates GraphQL queries by name in its dashboard and endpoint event sequences.
Trends: Skylight provides a weekly performance report with improved endpoints, slowdown warnings, and endpoints that have declined over six weeks.
Open source: Open-source apps can apply for free public performance reporting, and setup instructions are sent after approval.
Trial: The signup page offers a free month, and the pricing page says no credit card is required to try Skylight.
Privacy and security: The privacy statement says communications with Skylight are encrypted and access to customer information on secure servers is limited to selected personnel and contractors.
Support: Skylight provides documentation for setup, instrumentation, performance tips, background jobs, and troubleshooting, and directs users with further questions to contact support.
Price from: $20/mo

Where it ranks on The Geeks Club

Best Application Performance Monitoring in 2026#7 of 33

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Sources

skylight.io· checked 10 Oct 2026
skylight.io/features· checked 10 Oct 2026
skylight.io/oss· checked 10 Oct 2026
skylight.io/signup· checked 10 Oct 2026
skylight.io/privacy· checked 10 Oct 2026
skylight.io/support· checked 10 Oct 2026
skylight.io/pricing· checked 10 Oct 2026