Sematext offers 500MB/day free across all modules. PingZen offers up to 55 free monitors with 23 protocols and 1-minute intervals.

Does Sematext support DNS or TCP monitoring?

No. Sematext synthetics cover HTTP and browser checks. PingZen monitors TCP, DNS, WebSocket, gRPC, SMTP, and 17 more protocols.

Can Sematext replace PingZen?

For basic HTTP monitoring — yes. For 23 protocols, 1-minute intervals, incident management, and status pages — PingZen is more focused and free.

What makes Sematext different?

All-in-one observability: logs, metrics, synthetics, RUM, and traces. PingZen focuses exclusively on uptime monitoring with 23 protocols.

PingZen vs Sematext: 22-Protocol Uptime vs Full Observability Platform

Sematext is a Brooklyn-based observability platform (since 2007) covering logs, infrastructure metrics, synthetic monitoring, and Real User Monitoring (RUM). Free tier: 500MB/day. Synthetics from $5/month with 1-minute intervals, browser-based multi-step monitoring, and OpenTelemetry integration.

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Quick Comparison

Best Value

PingZen

Price: Free forever
Intervals: 1 minute
Protocols: 23 protocols
Alerts: 3 channels

Sematext

Price: Free (500MB/day) / Synthetics from $5/month
Intervals: 1 min (Synthetics) / 10s (Infrastructure)
Protocols: 3 (HTTP, Browser, API)
Alerts: Email, Slack, PagerDuty, Webhook, OpsGenie

Feature Comparison

Feature Comparison
Feature	PingZen	Sematext
HTTP/HTTPS monitoring
Browser synthetic monitoring Multi-step user journeys
Real User Monitoring (RUM)
Log aggregation
Infrastructure monitoring
Kubernetes monitoring
OpenTelemetry integration
TCP monitoring
DNS monitoring
WebSocket monitoring
gRPC monitoring
SMTP monitoring
FTP monitoring
SSL certificate monitoring
Telegram alerts
Incident management
Status pages
Heartbeat/cron monitoring Monitor cron jobs — your service pings PingZen to confirm it ran

Why Choose PingZen

23 protocols vs 3 — TCP, DNS, WebSocket, gRPC, SMTP, FTP, and more
1-minute intervals
Incident management with status pages
Telegram, Slack, Discord, Webhook alerts
Simpler pricing — no consumption surprises
Up to 55 free monitors (not limited to 500MB/day)

When Sematext is Better

Full observability: logs, metrics, traces, RUM in one platform
Browser synthetic monitoring with multi-step journeys
Infrastructure and Kubernetes monitoring
OpenTelemetry native integration
Log aggregation (Elasticsearch-compatible)
Flexible per-app pricing model

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Migration Tip

Sematext is for DevOps teams wanting full observability (logs + metrics + synthetics + RUM). PingZen is for focused uptime monitoring with 23 protocols and simpler pricing.