Side by side
CA App Synthetic Monitor vs Sematext Synthetics
Both stand on synthetic monitoring. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial APIWeb
CA App Synthetic Monitor combines external performance checks with reporting, alerts, and several integration options. Its trial provides a defined starting allowance, while paid plans and limits require choosing an appropriate configuration.
Visit CA App Synthetic Monitor Free trial APILinuxSelf-hosted+2
Sematext Synthetics covers both endpoint checks and scripted browser journeys, with certificate monitoring and private-location agents. Budget for monitor-based pricing and note the HTTP run memory and response-body limits.
Visit Sematext SyntheticsThe facts
| CA App Synthetic Monitor | Sematext Synthetics | |
|---|---|---|
| Free plan | A free trial | A free trial |
| Open source | Not published | Not published |
| Runs on | API, Web | API, Linux, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 7 | 1 |
| Maker | Not published | Not published |
| Website | asm.saas.broadcom.com | sematext.com |
| On synthetic monitoring | #23 of 43 | #27 of 43 |
CA App Synthetic Monitor: what it does well
- Monitoring from 146 worldwide stations
- Browser, API, and transaction checks
- Checkpoint order can be specified
- Customizable plans and alerts
- Free 30-day trial included
What to know first
- No free plan
- Pricing requires a request
- Plan allowances vary by tier
- API daily limits apply
Sematext Synthetics: what it does well
- Checks response codes, headers, content, and timing
- Browser monitors simulate user actions with Playwright
- Checks SSL validity, expiry, and certificate changes
- Private agents can run in Docker on Linux or Windows
What to know first
- No free plan is listed
- HTTP monitor runs have 128 MB memory
- Response bodies are trimmed to 2 MB
- No static IP list is provided for firewall allowlisting
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