AppSignal vs Datadog

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

AppSignal

See full pricing history

EUR · US · source: www.appsignal.com

Plan	Pricing	Charged by	Offer type
Free plan — free	Free € 0	Flat	Standalone · Free
Paid plan — standard Highlighted	EUR 18.25 / month with annual commitment €219 €18.25/month	Flat · €219 billed yearly	Standalone · Fixed

Datadog

See full pricing history

USD · US · source: www.datadoghq.com

Plan	Pricing	Charged by	Offer type
Free	Free $0	Unit · per host	Standalone · Free
Pro Highlighted	USD 18 monthly · USD 15 / month with annual commitment $18 on-demand or $15/host/month billed annually	Unit · per host per month	Standalone · Fixed
Enterprise	USD 27 monthly · USD 23 / month with annual commitment $27 on-demand or $23/host/month billed annually	Unit · per host per month	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

AppSignal

Free plan — free

Highlights Requests: 50K requests

Included
Highlights Logging: 1GB logging

Included
Highlights Retention: 5-day retention

Included

Paid plan — standard

Highlights Application monitoring: 250K requests/month

Included
Highlights Logging: 1GB /month

Included

Datadog

Free

Plan card Hosts: Up to 5

Included
Plan card Metric retention: 1 day

Included
Plan card Core collection and visualization: Included

Pro

Plan card Integrations: 1,000+

Included
Plan card Out-of-the-box dashboards: Included
Plan card Metric retention: 15 months

Included

Enterprise

Plan card Machine-learning alerts: Included
Plan card Live Processes: Included
Plan card Governance Console: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

AppSignal

August 27, 2026 Source
- Free plan — free: Free
- Paid plan — standard: EUR 18.25 / month with annual commitment

Datadog

August 27, 2026 Source
- Free: Free
- Pro: USD 18 monthly · USD 15 / month with annual commitment
- Enterprise: USD 27 monthly · USD 23 / month with annual commitment