toolgrep / Monitoring & observability / CatchJS
Alternatives to CatchJS
CatchJS: JavaScript error tracking, performance monitoring and privacy-focused analytics in one script. 8 products similar to CatchJS, compared on pricing, free tier, API, MCP server, SDK and open source. 6 of 8 have a free tier, 5 of 8 have an API, 5 of 8 offer an MCP server, 2 of 8 are open source.
- Servervana
Website performance and uptime monitoring
- GTmetrix
Test, monitor, and optimize web performance
- EveryStep Browser Automation
A free web scripting tool that records every step of a web transaction and replays the script in a real browser for testing and monitoring.
- elmah.io
AI-powered error logging and uptime monitoring for .NET
- Exceptionless
Real-time error monitoring for .NET and JavaScript applications
- BugSnag
Error and performance monitoring for mobile and web applications
- PageCrawl.io
Website change detection and monitoring with AI summaries and noise filtering.
- Sentry
Application performance monitoring and error tracking software for developers and software teams.
Side by side
| Product | Pricing | Free tier | API | MCP server | SDK | Open source |
|---|---|---|---|---|---|---|
| CatchJS | Paid · from $44/month (Development plan, billed annually); 14-day free trial; free subscription for open source projects | no | yes | no | yes | no |
| Servervana | Freemium | — | — | — | — | no |
| GTmetrix | Freemium | yes | yes | yes | — | no |
| EveryStep Browser Automation | Freemium | yes | — | no | — | no |
| elmah.io | Freemium · from 26 | no | yes | yes | yes | no |
| Exceptionless | Freemium | yes | yes | no | yes | yes |
| BugSnag | Freemium | yes | — | yes | yes | no |
| PageCrawl.io | Freemium | yes | yes | yes | — | no |
| Sentry | Freemium | yes | yes | yes | yes | yes |
Facts come from each product's own website, or from its verified owner when they have edited the listing. Each product page shows when it was last verified and how it was extracted. Similarity comes from the products' descriptions.
API
curl https://toolgrep.com/api/products/catchjs/alternatives