Staxly

Amplitude vs Datadog

Digital analytics + experimentation + CDP
vs. Enterprise cloud monitoring — infra, APM, logs, RUM, security, LLM

Amplitude website ↗Datadog website ↗

Pricing tiers

Amplitude

Starter (Free)
10K Monthly Tracked Users, 10M events/mo. Session Replay + unlimited feature flags + Web Experimentation + AI Feedback included.
Free
Plus
$49/mo (annual). Up to 300K MTUs + 25M events. Unlimited product analytics, behavioral cohorts, feature tagging, custom audiences.
$49/mo
Growth
Custom. Causal insights, Feature Experimentation, real-time streaming, predictive audiences.
Custom
Enterprise
Custom. Cross-product analysis, advanced data controls, mutual exclusion groups, multi-armed bandit.
Custom
Amplitude website ↗

Datadog

Serverless Monitoring
$0.13 per month per 1M invocations.
$0 base (usage-based)
Free
Up to 5 hosts, 1-day metric retention. Community edition of Agent.
Free
Logs Ingestion
$0.10 per ingested/scanned GB per month.
$0 base (usage-based)
Logs Standard Index
$1.70 per million log events/month.
$0 base (usage-based)
Logs Flex Storage
$0.05 per million events stored/month.
$0 base (usage-based)
Infra Pro
Per host per month (annual billing). 15-month metric retention, 500+ integrations.
$15/mo
Infra Enterprise
Per host. Advanced features, Network Flow Monitoring.
$23/mo
APM
Per host (with Infra attached). Distributed tracing.
$31/mo
APM Pro
Per host. Continuous Profiler + Data Streams Monitoring.
$35/mo
APM Enterprise
Per host. App & API Protection + more.
$40/mo
Enterprise
Volume discounts, dedicated CSM, regional data residency.
Custom
Datadog website ↗

Free-tier quotas head-to-head

Comparing starter on Amplitude vs free on Datadog.

MetricAmplitudeDatadog
No overlapping quota metrics for these tiers.

Features

Amplitude · 13 features

  • AI Feedback (Asking) — Natural language questions over your Amplitude data.
  • Amplitude CDP — Customer Data Platform — identify, segment, sync to 150+ destinations.
  • Causal Insights — AI identifies why a metric changed — root cause.
  • Cross-Product Analysis — Analyze across multiple apps/products in the same org.
  • Data Governance — Taxonomies, schemas, approvals, category management.
  • Data Warehouse Sync — Sync data to/from Snowflake, BigQuery, Redshift, Databricks.
  • Feature Experimentation — Server-side / SDK-level experiments. Growth+.
  • Feature Flags — Targeting rules + rollouts. Unlimited in Starter.
  • North Star Metric — Pre-built dashboards for key metric tracking.
  • Predictive Audiences — ML-based forecasting of user behavior.
  • Product Analytics — Core events + funnels + retention + segmentation.
  • Session Replay — Pixel-perfect user session recording + privacy masking.
  • Web Experimentation — A/B test visual changes on your site without deploy.

Datadog · 19 features

  • APM — Distributed tracing + service catalog + code hotspots.
  • Application Security — Runtime attack detection, threat intelligence, IAST.
  • CI Visibility — Test + pipeline performance analytics.
  • Cloud SIEM — Security events correlation, detection rules, audit trails.
  • Continuous Profiler — Always-on CPU, memory, lock profiling in production.
  • Dashboards — Pre-built + custom dashboards.
  • Database Monitoring — Slow query detection for Postgres, MySQL, Mongo, Oracle, SQL Server.
  • Incident Management — Built-in incident response with postmortems.
  • Infrastructure Monitoring — Host, container, k8s metrics. 700+ integrations. Live process + container maps.
  • LLM Observability — OpenAI, Anthropic, etc. trace + cost + prompt eval.
  • Log Management — Ingest any logs, structured or raw. Pipelines, parsing, archives to S3.
  • Monitors — Anomaly, forecast, outlier, composite monitors.
  • Network Performance Monitoring — Packet-level analysis, flow monitoring.
  • Notebooks — Runbook-style dashboards with queries + docs.
  • Real User Monitoring — Frontend performance, JS errors, user sessions, Core Web Vitals.
  • Serverless Monitoring — AWS Lambda, Google Cloud Functions, Azure Functions observability.
  • Service Catalog — Service inventory with ownership + documentation.
  • Synthetics — Synthetic HTTP + browser tests, API tests, mobile tests.
  • Workflow Automation — No-code workflows triggered by events.

Developer interfaces

KindAmplitudeDatadog
CLI—Datadog Agent
SDKamplitude-analytics-python, @amplitude/analytics-react-native, amplitude-android, amplitude-js / browser-sdk, amplitude-node, AmplitudeSwift (iOS)dd-trace-dotnet, dd-trace-go, dd-trace-java, dd-trace-js (RUM), dd-trace (Node), ddtrace (Python), ddtrace (Ruby)
RESTAmplitude HTTP API v2, Batch Event API, Export APIDatadog REST API
MCP—Datadog MCP
OTHERData Destinations (webhooks)OpenTelemetry (OTLP), Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to Amplitude and Datadog are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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