OneSignal vs Datadog
Mobile + web push, email, SMS, and in-app messaging at consumer scale
vs. Enterprise cloud monitoring — infra, APM, logs, RUM, security, LLM
Pricing tiers
OneSignal
Free
Unlimited mobile push, 10K web push subs, 10K email/mo, 1 journey. GDPR compliant.
Free
Growth
$19/mo + usage. 20K email/mo included, then $1.50/1K. 3 journeys. Advanced in-app.
$19/mo
Professional
Custom. Unlimited volume, 20 journeys, CSV export, prioritized support.
Custom
Enterprise
Custom. Dedicated CSM, SLA, frequency capping, advanced permissions, HIPAA options.
Custom
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
Free-tier quotas head-to-head
Comparing free on OneSignal vs free on Datadog.
| Metric | OneSignal | Datadog |
|---|---|---|
| active journeys | 1 journeys | — |
| email monthly | 10000 emails/mo | — |
| mobile push | Unlimited subscribers | — |
| web push subscribers | 10000 subscribers | — |
Features
OneSignal · 12 features
- A/B Testing — Split testing across push, email, in-app.
- Analytics + Cohorts — Delivery, open, click, conversion metrics + retention cohorts.
- Email — Transactional + marketing email with templates.
- Frequency Capping — Limit message frequency per user.
- In-App Messaging — In-app banners, modals, surveys, carousels triggered by events.
- Intelligent Delivery — Optimize send time per user with ML.
- Journeys — Multi-step automations with branching, delays, actions.
- Live Activities — iOS Dynamic Island + Live Activities.
- Mobile Push — iOS (APNs), Android (FCM/HMS) push notifications.
- Segments — Dynamic audience targeting by tags, location, behavior.
- SMS — Two-way SMS in 200+ countries.
- Web Push — Browser push via service workers (Chrome, Firefox, Edge, Safari, Opera).
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
| Kind | OneSignal | Datadog |
|---|---|---|
| CLI | — | Datadog Agent |
| SDK | OneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal | dd-trace-dotnet, dd-trace-go, dd-trace-java, dd-trace-js (RUM), dd-trace (Node), ddtrace (Python), ddtrace (Ruby) |
| REST | OneSignal REST API | Datadog REST API |
| MCP | — | Datadog MCP |
| OTHER | Outbound Webhooks | OpenTelemetry (OTLP), Webhooks |
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