Plans and limits
Hollow Sentinel Starter, Growth, Scale, and Enterprise — features, store memory retention, and notification channels.
| Plan | Price | Store memory | Key capabilities |
|---|---|---|---|
| Starter | $29/month | 30 days | Revenue and inventory health, daily briefing, theme monitoring, store timeline, email alerts |
| Growth | $99/month | 180 days | Opportunity engine, revenue at risk, customer health, Slack and Klaviyo monitoring, root cause analysis, industry benchmarking |
| Scale | $299/month | Unlimited | Experience probes, executive briefings, SKU velocity and days-of-cover forecasting, read-only Public API, unlimited Store Memory, priority support |
| Enterprise | $1,499+/month | Unlimited | Contact sales for custom benchmarks, onboarding, and agency programs — multi-user, SSO, and white-label are on the roadmap; Public API ships on Scale |
Store memory retention limits how far back Sentinel can correlate timeline events with insights. When memory expires, older events roll off but current health scores and briefings continue. Upgrade to Growth or Scale for longer or unlimited retention.
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