Built for competitor pricing and messaging watchlists

Visual change alerts for GTM teams

Catch JS-heavy page changes before they hit your deals.

Sentinal watches competitor pricing, homepage messaging, changelogs, and product pages with hybrid diffing. Static pages get text diffs. JS-heavy pages get full-page screenshot evidence.

Acme pricing pagevisual monitor
BeforeAfter
Alert summary

Annual plan CTA changed from “Talk to sales” to “Start free trial”, and deployment support is now surfaced in the enterprise block.

  • Track competitor pricing pages without manually checking them every morning.
  • Catch JS-heavy homepage messaging pivots with screenshot evidence, not noisy diffs.
  • Stay focused on the pages that shape deals: pricing, product, changelog, and homepage copy.

Onboarding templates

Launch with the pages buyers actually notice

The first version stays narrow. Every template maps to a monitoring workflow that can drive pipeline, not just page-view curiosity.

pricing page

Pricing page

Track packaging, annual discounts, and CTA changes.

product page

Product page

Watch headline, proof points, and feature positioning shifts.

changelog

Changelog

Catch new launches and release notes without manual checks.

homepage messaging

Homepage messaging

Spot brand, ICP, and value proposition pivots early.

Monitor examples

The app surface you can use locally right now

Jump into the dashboard →

visual monitor

Acme pricing page

https://acme.example/pricing

activebrowser

Annual plan CTA changed from "Talk to sales" to "Start free trial."

3 changes this weekPricingCTA
Latest page capture

Acme Pricing

Compare plans, seats, annual pricing, and enterprise support.

HTTP 200 · 18.1 KB · 1428 chars

Every hour

Next run in 2 days.

2 recipients

Last checked Mar 12, 12:00 UTC.

3 keywords

annual, enterprise, pricing

Last change 2 days ago

Open monitor

auto monitor

Acme homepage messaging

https://acme.example/

activebrowser

Hero headline now targets RevOps teams instead of growth leads.

1 change this weekPositioningProof
Latest page capture

Acme | Revenue workflows for modern teams

Automate revenue workflows across GTM, finance, and success.

HTTP 200 · 21.6 KB · 1672 chars

Every 6 hours

Next run in 2 days.

1 recipients

Last checked Mar 12, 11:00 UTC.

3 keywords

enterprise, security, SOC 2

Last change 3 days ago

Open monitor

Pricing

Start free, upgrade when you need more

Full plan comparison →

Free

Free

2 visual
  • 5 total monitors
  • 24h schedules
  • 7-day history
  • Hybrid text + screenshot diff pipeline

Starter

$14/mo

8 visual
  • 15 total monitors
  • 6h / 24h schedules
  • 30-day history
  • Hybrid text + screenshot diff pipeline

Pro

$39/mo

25 visual
  • 50 total monitors
  • hourly / 6h / 24h schedules
  • 90-day history
  • Hybrid text + screenshot diff pipeline