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Visual line-by-line diffs
Red strike for removals, green for additions. Side-by-side on demand. Works on any tracked page.
Catch every launch the second it ships
Not 'something changed.' The exact words.
Every other tool pings you when a page updates. SpyGlow shows you the old line and the new line, scores how much it matters, and hands you a drafted response before you finish reading.
- Line-by-line diffs like git diff, for every competitor page
- AI importance score from 1 to 10 on every change
- Cosmetic tweaks filtered silently, strategic moves surfaced
- Pin a baseline snapshot and compare every scan against it
app.spyglow.com / changes
Changes
The intelligence layer
Change detection tells you that a page changed. SpyGlow gives you exactly what changed, why it matters strategically, and an importance score so cosmetic tweaks stay quiet.
What you get
Everything packed into one workspace.
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AI importance scoring
Every change scored 1 to 10 with a plain-English explanation of why it matters for your roadmap or deals.
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Baseline pinning
Lock a snapshot (last quarter's pricing, day of a competitor launch) and diff every future scan against it.
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Smart categorization
Pricing, product, content, structural, metadata. Filter by category, by importance, by competitor.
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Bulk actions
Mark read, dismiss, delete, or convert to a tracked action in one motion. No change-by-change triage.
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Auto-drafted deliverables
High-importance changes automatically draft a battle card or an action item. Zero clicks.
How it fits your flow
Three steps. No new muscle to build.
Step 01
We scan
Every tracked competitor page, on your plan's cadence.
Step 02
We diff + score
AI compares new snapshot to previous (or your pinned baseline), scores what changed 1-10.
Step 03
You see what matters
Feed shows ranked changes. Strategic ones alert you; cosmetic ones stay silent.
Available onFull comparison →
Free
Included · basic diff
Pro· Popular
AI-scored + categorized
Growth
Baseline pinning + history
Teams
Unlimited history + team queue
Common questions
Questions, answered.
Everything you need to know about not 'something changed.'.