Head-to-head
Datadog Synthetics vs New Relic Synthetics
Short answer: pick Datadog Synthetics if: You already run Datadog for APM and want synthetic checks in the same pane of glass. Pick New Relic Synthetics if: You already run New Relic APM and want synthetic checks tied to the same account. Pick Lemwatch if you want uptime, page changes, SEO, security and speed checked in one tool — free for 10 sites, then $19/mo.
Pricing, check intervals and category fit — verified against each vendor's public pricing page.
Side-by-side snapshot
| Metric | Datadog Synthetics | New Relic Synthetics |
|---|---|---|
| Entry paid tier | $5/mo · Per 10k API test runs | $49/mo · Standard (per user) |
| Free tier | trial-only | yes |
| Min check interval | 30s | 60s |
| Category | apm | apm |
Verified facts: Lemwatch vs Datadog Synthetics
Sourced from Datadog Synthetics's public pricing and docs.
Entry paid
$5/mo
Per 10k API test runs
Free tier
Trial only
Min check interval
30s
Last verified
2026-06-28
Datadog Synthetics strengths
- Full observability stack (APM, logs, metrics, RUM)
- Deep integration with cloud infra and Kubernetes
- Very large ecosystem of dashboards and integrations
Where it falls short
- Bill shock is common — usage-based pricing across many SKUs
- Overkill for teams that just need website monitoring
- SEO/content monitoring not part of the platform
Choose Datadog Synthetics when
You already run Datadog for APM and want synthetic checks in the same pane of glass.
Lemwatch advantage
Lemwatch delivers site-level uptime, SEO and visual checks at a flat monthly price with no metered-per-run surprises.
Verified facts: Lemwatch vs New Relic Synthetics
Sourced from New Relic Synthetics's public pricing and docs.
Entry paid
$49/mo
Standard (per user)
Free tier
Yes
Min check interval
1 min
Last verified
2026-06-28
New Relic Synthetics strengths
- Unified with New Relic APM, RUM, and logs
- Free tier includes 100 GB ingest per month
- Scripted browser checks with real Chrome
Where it falls short
- Per-user pricing model is punishing for shared use
- Data-cap billing can spike unexpectedly
- Not designed for SEO or marketing-site monitoring
Choose New Relic Synthetics when
You already run New Relic APM and want synthetic checks tied to the same account.
Lemwatch advantage
Lemwatch is billed per organization (not per user) and includes SEO + content diffs New Relic doesn't ship.
Where Lemwatch fits
Both Datadog Synthetics and New Relic Synthetics focus on apm. Lemwatch bundles uptime, SEO indexation, Core Web Vitals, security headers and visual diffs — free for 10 sites, no credit card, then $19/mo.