Blackfire.io vs Scout: What are the differences?

Blackfire.io: Blackfire Profiler automatically instruments your code to gather data about consumed server resources like memory, CPU time, and I/O. Blackfire achieves a new level of accuracy by aggregating several profile samples and getting rid of non relevant data. Get even deeper and review the interactions with your entire stack (SQL database engines, cache servers, ...); Scout: Application Monitoring that Developers Love. Scout is application monitoring that points developers right to the source of problems: N+1 database queries, memory bloat, performance trends, and more Scout eliminates much of the investigation part when performance woes occur. .

Blackfire.io and Scout belong to "Performance Monitoring" category of the tech stack.

Some of the features offered by Blackfire.io are:

• Profile a page at a mouse click thanks to the Blackfire web browser extension
• Browse through the function calls and identify performance bottlenecks thanks to the Blackfire intuitive UI
• Because Blackfire is only triggered when you profile a request, there is no overhead for other requests

On the other hand, Scout provides the following key features:

• Monitors Ruby & Elixir apps with more languages to come
• Easy install
• Detailed transaction traces

"Deep insights into PHP request cycle" is the top reason why over 4 developers like Blackfire.io, while over 9 developers mention "Easy setup" as the leading cause for choosing Scout.

Binary.com, Rollbar, and Publitas are some of the popular companies that use Scout, whereas Blackfire.io is used by Blackfire.io, Showpad, and Basharsoft. Scout has a broader approval, being mentioned in 29 company stacks & 7 developers stacks; compared to Blackfire.io, which is listed in 7 company stacks and 4 developer stacks.