Datadog vs Fly.io
Compare Datadog and Fly.io on features, pricing, and buyer fit using the same researched criteria.
Datadog
Observability suite — infrastructure, APM, logs, and security signals with consumption/host pricing; Infrastructure Pro from $15/host/mo annual.
Best for
- • SRE/platform teams needing unified infra + APM + logs
- • Cloud-native orgs with AWS/Azure/GCP estates
- • Teams that can model multi-module observability TCO upfront
Starting from $15.00/user/mo
Free plan available
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Datadog is better for
- ✓ Free plan
- ✓ Integrations
- ✓ Security & admin
Fly.io is better for
- ✓ Starting pricing
Choose Datadog if: SRE/platform teams needing unified infra + APM + logs
Choose Fly.io if: Teams that want PAYG microVM/app hosting close to users
Fly.io
Cloud PaaS / microVM app platform — PAYG; shared-cpu-1x from ~$1.94/mo in lower-cost regions. Support Standard $29/mo is support, not hosting. Does not outrank Render 7.9.
Best for
- • Teams that want PAYG microVM/app hosting close to users
- • Buyers comparing Fly.io $1.94 shared-cpu-1x to Render Pro $25 + compute
- • Orgs that will not treat $29 Support as the hosting SKU
Starting from $1.94/user/mo
No free plan
Datadog vs Fly.io pricing
Datadog researched starting price from $15/mo; a free plan is researched. Fly.io researched starting price from $1.94/mo. Affiliate economics excluded.
Datadog
From $15.00/user/mo
Fly.io
From $1.94/user/mo
Datadog
Starting from $15.00/user/mo
Free trial available
- Free$0.00/user/mo
- Free tier with limited hosts/metrics — evaluation floor only.
- max hosts: 5
- Infrastructure ProPopularSee details
- $15/host/month billed annually — common infrastructure monitoring entry floor.
- Enterprise / CustomCustom
- Enterprise bundles, volume discounts, and multi-year commits — contact sales.
Fly.io
Starting from $1.94/user/mo
Free trial available
- shared-cpu-1x (cheapest regions)Popular$1.94/mo
- ~$1.94/mo shared-cpu-1x in cheapest listed regions ($1.94–$2.02 by region). Hosting floor, not Support.
- Support Standard$29.00/mo
- $29/mo Support Standard — support SKU, not hosting. Do not treat as the Fly.io floor.
- Pay-as-you-go computeCustom
- Machines, volumes, and bandwidth meter beyond the shared-cpu-1x floor. Confirm live fly.io pricing.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Datadog
$225.00/mo
Fly.io
$29.10/mo
+$195.90/mo — Datadog costs more
Verified monthly unit prices · Aug 18, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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