What is Let Me Know When?

Let Me Know When is an AI‑driven website monitoring tool that tracks updates on any site, from price changes and competitor product launches to design revisions and content releases. It delivers alerts via email or Slack when key metrics shift, such as new blog posts, SEO performance fluctuations, or stock availability updates.

The platform offers real‑time detection of design alterations, version upgrades, and customer review postings, helping users keep pace with industry developments. With built‑in competitor analysis, users can monitor rivals for product announcements and price adjustments.

Let Me Know When details

Built for: Individuals
Data residency: AWS us-east region

Let Me Know When tech specs

Integrations: Slack

Let Me Know When pricing

Subscription

Basic $3.99/mo

Starter $9.99/mo

Advanced $19.99/mo

$3.99/mo is cheaper than most for SEO median $39/mo

Most SEO tools start between $19 and $69 a month.

Verify on the official pricing page.

View plans

Let Me Know When's key features

Price Change Alerts
Stock Availability Alerts
Competitor Analysis
Design Change Detection
Content Update Alerts
SEO Performance Tracking
Event Ticket Monitoring

Let Me Know When use cases

Track competitor pricing changes in real time, receive instant Slack alerts whenever a rival drops a product price, enabling rapid promotional adjustments without manual checking
Automate stock availability monitoring across multiple e‑commerce sites, with email notifications when items are back in stock so that the purchasing team can secure inventory before competitors
Set up custom alerts for crypto price swings and emerging search trends, getting instant email updates so marketers can launch timely content campaigns and adjust ad spend accordingly