Freedom251 › Profiling Software
Blackfire.io

What Blackfire.io is
Blackfire.io is a cloud service for monitoring, profiling, testing, alerting, recommendations, browser monitoring, and analytics for PHP and Python applications. Its profiler measures function calls and helps identify the causes of performance bottlenecks. For PHP and Python, listed profiling dimensions include wall time, CPU, I/O, memory, network usage per function, SQL requests, and HTTP requests.
Teams can analyze application performance in development, testing, staging, and production, and add Blackfire to test pipelines through SDK and CI/CD integrations. The listed integrations also include hosting platforms and configuration management, including an officially maintained Docker integration. Notifications can go through webhooks, email, or third-party services such as GitHub and Slack. Continuous profiling is listed for PHP, Python, Go, Node.js, Ruby, Rust, and Java.
Blackfire lists a free plan and paid plans. Development costs €33.25/month billed yearly and includes one user, one Sandbox environment, profiling, and manual assertions. Production costs €158.25/month billed yearly or €189.90 monthly, and includes three users, a production environment plus a Sandbox, one million monitoring traces, 5GB of continuous profiling, and one million Front-end Observability. Blackfire says it does not collect user session data, database data, or source code, and anonymizes SQL queries and HTTP calls before transmission unless the Debug add-on is used.
Who it suits
Blackfire.io suits developers and teams working on PHP or Python applications who need profiling and performance monitoring across development and production stages. Its CI/CD integrations also suit teams that want to include performance analysis in testing pipelines.
What it does well
- Profiles function calls to help locate performance bottleneck causes.
- Measures CPU, memory, I/O, wall time, network use, SQL, and HTTP requests.
- Supports analysis in development, testing, staging, and production.
- Offers SDK, CI/CD, hosting, configuration management, and notification integrations.
- Lists a free plan.
What to know first
- Development is available only with yearly billing.
- Regular use should not exceed 1,000 profiles per day per user.
- Documentation lists a limit of 350 builds per day per user.
- Standalone use does not guarantee HIPAA compliance.
Limits
Development costs €33.25/month billed yearly and includes one user, one Sandbox environment, profiling, and manual assertions. Blackfire says regular usage should not exceed 1,000 profiles per day per user, and its documentation lists a limit of 350 builds per day per user.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Production | €158.25/month billed yearly or €189.90 monthly · 3 users · 2 environments (1 production + 1 Sandbox) · 1 million monitoring traces · 5GB continuous profiling · 1 million Front-end Observability | €158.25 a month |
| Development | €33.25/month billed yearly; only yearly is available · 1 user · 1 Sandbox environment · Profiling and manual assertions | €33.25 a month |
As blackfire.io lists them, read 4 Oct 2026. The maker's own page has the final word.
Getting started
- Visit blackfire.io.
- Choose the free plan or a paid plan.
- Use the listed API, extension, Linux, macOS, web, or Windows access route.
- Connect Blackfire to a testing pipeline using its SDK or CI/CD integrations.
- Use profiling to examine application performance in development, testing, staging, or production.
Verdict
Choose Blackfire.io if you need profiling and performance analysis for PHP or Python across application stages, with pipeline integrations. Look elsewhere if you need distributed tracing or standalone HIPAA compliance; Blackfire's HIPAA-compliant agent offering is available only through Upsun.
Questions
Is Blackfire.io free?
A free plan is available. There is no free trial.
What do the paid plans cost?
Development is €33.25/month billed yearly. Production is €158.25/month billed yearly or €189.90 monthly.
Which languages does Blackfire support?
PHP and Python profiling are listed. Continuous profiling is listed for PHP, Python, Go, Node.js, Ruby, Rust, and Java.
Which platforms are listed?
The listed platforms are API, extension, Linux, macOS, web, and Windows.
Does Blackfire collect source code or database data?
Blackfire says it does not collect user session data, database data, or source code. It anonymizes SQL queries and HTTP calls before transmission unless the Debug add-on is used.
Is Blackfire HIPAA compliant?
Its HIPAA-compliant agent offering is available only through Upsun. Standalone use does not guarantee HIPAA compliance.
Facts from Blackfire.io's own pages
- CI/CD
- Blackfire can be added to testing pipelines and supports SDK and CI/CD integrations. · blackfire.io, 4 Oct 2026
- Compliance
- Blackfire says it has SOC 2 Type 2 and PCI certifications; its HIPAA-compliant agent offering is available only through Upsun, and standalone use does not guarantee HIPAA compliance. · blackfire.io, 4 Oct 2026
- Deployment stages
- Blackfire says it can analyze application performance in development, testing, staging, and production. · blackfire.io, 4 Oct 2026
- Free trial
- Blackfire says it does not provide a free trial and offers a demo environment; eligible students, schools, and universities can get a free Profiler subscription through GitHub Student Developer Pack. · blackfire.io, 4 Oct 2026
- Headquarters
- Paris, France · blackfire.io, 28 Sept 2026
- Integrations
- Blackfire lists hosting platform integrations, configuration management integrations including an officially maintained Docker integration, and notifications through webhooks, email, or third-party services such as GitHub and Slack. · blackfire.io, 4 Oct 2026
- Language coverage
- Blackfire supports PHP and Python profiling; continuous profiling is listed for PHP, Python, Go, Node.js, Ruby, Rust, and Java. · blackfire.io, 4 Oct 2026
- Limits
- The pricing FAQ says regular usage should not exceed 1,000 profiles per day per user; the documentation also lists a limit of 350 builds per day per user. · blackfire.io, 4 Oct 2026
- Metrics
- The integrations page lists wall time, CPU, I/O, memory, per-function network usage, SQL requests, and HTTP requests as profiling dimensions for PHP and Python. · blackfire.io, 4 Oct 2026
- Profiling detail
- Profiling provides function-call level metrics and identifies bottleneck root causes. · blackfire.io, 4 Oct 2026
- Purpose
- Blackfire provides monitoring, profiling, testing, alerting, recommendations, browser monitoring, and analytics for PHP and Python applications. · blackfire.io, 4 Oct 2026
- Security and privacy
- The FAQ says Blackfire does not collect user session data, database data, or source code, and anonymizes SQL queries and HTTP calls before transmission unless the Debug add-on is used. · docs.blackfire.io, 4 Oct 2026
- Support
- Basic compliance questions can be handled by the Blackfire support team via email. · blackfire.io, 4 Oct 2026
Where Blackfire.io stands on Freedom251
- Profiling Software#2 of 29
- Performance Testing Software#4 of 38
- Continuous Profiling Tools#4 of 30
- Application Performance Monitoring#5 of 37
