diffwatch

Competitor changed
their pricing page. You knew an hour ago.

Watch any page, or just the element you care about. Line-level diffs, alerts by email or RSS.

Create a watch

Free: 3 watches, hourly checks, email alerts.

competitor.com/pricing

--- old

+++ new

@@ -12,7 +12,7 @@

- Pro plan: $99/mo

- 5 seats included

+ Pro plan: $149/mo

+ 3 seats included

Same core features

Priority support

change detected 09:42 - alert emailed

live replay - the diff re-checks on a loop

page preview - click an element to scope

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$99/mo

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watching: .price-tag

Watch the element, not the noise.

Full-page monitors false-alarm constantly: layout churn, ad rotations, A/B tests. Scope to a CSS selector and only the content that matters can fire an alert.

  • .price-tag, .stock-status, .release-heading
  • whitespace normalized before compare
  • no alert without a real content change

History you can show your boss.

Every check stores a snapshot. Pro keeps ninety days of them, screenshots included, so a change is evidence instead of a memory.

90days

Jun 02
Jun 09
Jun 16 changed
Jun 23
Jun 30

Alerts land where you already look.

Email with the diff inline

Subject: [Diffwatch] competitor.com/pricing changed

- Pro plan: $99/mo          + Pro plan: $149/mo
- 5 seats included          + 3 seats included

Per-watch RSS

GET /rss/{token}

Webhooks

POST { watch, old, new }

The watcher, not the dashboard chore.

DiffwatchVisualpingchangedetection.io
CSS-selector scoping yespaid tiersyes
Free watches 35 (watermarked)self-host only
Visual diffs stored Proyesself-host setup
RSS feeds per watch yesnoyes
Entry price $0$15/mo$8.99/mo hosted

competitor positioning per public pricing pages, 2026

“Caught a supplier quietly doubling their lead time by watching one table cell. Paid for itself that week.”

Greta Lindholm

E-commerce operator

sample feedback

free tier

Three watches free, forever.

Point one at a competitor before their next update ships.

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