Observe vs Site Spy

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.

Observe

See full pricing history

USD · US · source: www.observeinc.com

Plan	Pricing	Charged by	Offer type
Logs — starting at	USD 0.49 monthly $0.49 /GiB	Usage · per GiB	Standalone · Usage based
Metrics — starting at	USD 0.008 monthly $0.008 /DPM	Usage · per DPM	Standalone · Usage based
Traces — starting at	USD 0.59 monthly $0.59 /GiB	Usage · per GiB	Standalone · Usage based

Site Spy

See full pricing history

EUR · US · source: sitespy.app

Plan	Pricing	Charged by	Offer type
Free	Free €0 forever	Flat	Standalone · Free
Starter	EUR 4 monthly €4 / month	Flat	Standalone · Fixed
Pro Highlighted	EUR 8 monthly €8 / month	Flat	Standalone · Fixed
Business	EUR 99 monthly €99 / month	Flat	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.

Observe

Logs — starting at

Highlights Compute: included

Included
Highlights Users: Unlimited

Included
Highlights Retention: 30-day

Included

Metrics — starting at

Highlights Compute: included

Included
Highlights Users: Unlimited

Included
Highlights Retention: 13-month

Included

Traces — starting at

Highlights Compute: included

Included
Highlights Users: Unlimited

Included
Highlights Retention: 30-day

Included

Site Spy

Free

Highlights Pages you can watch: 2

Included
Highlights Fastest checks: Every hour

Included
Highlights History kept: 30 days

Included
Highlights Snapshots per page: 8

Included
Highlights Manual rechecks a day: 3

Included
Highlights API requests a day: 100

Included
Highlights Email, Telegram and push alerts: Included
Highlights 90+ webhook integrations: Included
Highlights Browser extension, MCP and RSS: Included
Highlights Bulk import: Excluded
Highlights AI change summaries: Excluded
Highlights Screenshots and visual diffs: Excluded
Highlights Team seats: Excluded

Starter

Highlights Pages you can watch: 25

Included
Highlights Fastest checks: Every 10 min

Included
Highlights History kept: 90 days

Included
Highlights Snapshots per page: 25

Included
Highlights Manual rechecks a day: 10

Included
Highlights API requests a day: 1,000

Included
Highlights Email, Telegram and push alerts: Included
Highlights 90+ webhook integrations: Included
Highlights Browser extension, MCP and RSS: Included
Highlights Bulk import: Included
Highlights AI change summaries: Excluded
Highlights Screenshots and visual diffs: Excluded
Highlights Team seats: Excluded

Pro

Highlights Pages you can watch: 100

Included
Highlights Fastest checks: Every minute, 10 pages

Limited
Highlights History kept: 1 year

Included
Highlights Snapshots per page: 100

Included
Highlights Manual rechecks a day: 25

Included
Highlights API requests a day: 10,000

Included
Highlights Email, Telegram and push alerts: Included
Highlights 90+ webhook integrations: Included
Highlights Browser extension, MCP and RSS: Included
Highlights Bulk import: Included
Highlights AI change summaries: Included
Highlights Screenshots and visual diffs: Included
Highlights Team seats: Excluded

Business

Highlights Pages you can watch: 500

Included
Highlights Fastest checks: Every minute

Included
Highlights History kept: 1 year

Included
Highlights Snapshots per page: 500

Included
Highlights Manual rechecks a day: 100

Included
Highlights API requests a day: 50,000

Included
Highlights Email, Telegram and push alerts: Included
Highlights 90+ webhook integrations: Included
Highlights Browser extension, MCP and RSS: Included
Highlights Bulk import: Included
Highlights AI change summaries: Included
Highlights Screenshots and visual diffs: Included
Highlights Team seats: 5

Included

How their prices changed

Each date shows when a public price was observed, not when it took effect. An archived region or currency can differ, so a currency change is not necessarily a price increase.

Observe

August 27, 2026
Official pricing page
- Logs — starting at: USD 0.49 monthly
- Metrics — starting at: USD 0.008 monthly
- Traces — starting at: USD 0.59 monthly

Site Spy

September 21, 2026
Official pricing page
- Free: Free
- Starter: EUR 4 monthly
- Pro: EUR 8 monthly
- Business: EUR 99 monthly
August 27, 2026
Official pricing page
- Free forever — free: Free
- Stay Informed — standard: EUR 4 monthly · EUR 4 / month with annual commitment
- Starter plan — standard: EUR 8 monthly · EUR 8 / month with annual commitment
- Pro plan — standard: EUR 99 monthly · EUR 99 / month with annual commitment