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Website monitoring

Let Me Know When ✓

AI-powered alerts for website changes

Source rating 3.0 (4) 6.4k views 61 saves 2 comments Freemium
Website Monitoring AI-powered Alerts Competitor Analysis
More categories (4)
SEO Performance Tracking Content Updates Uptime Checks Website monitoring
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Free + from $9.99/mo

Verdict

A quick read before you dig into the full page.

Best if
You are e-commerce businesses and need: Monitoring competitor websites for new products and design changes
Skip if
Paid plans expensive
Pick this when
Free website monitoring

Considering Fluxguard instead? Compare side by side

Overview

Let Me Know When is an AI-powered, free website monitoring tool that offers comprehensive monitoring capabilities for any website. It alerts users to price changes, competitor updates, stock availability, events, and other website changes.

The application provides competitor analysis, enabling users to monitor new products, updates and design changes on rivals' websites. The platform senses changes in website design and updates to content, including articles and blog posts, providing users with timely information.

Let Me Know When not only tracks SEO performance to ensure websites remain competitive, but also flags changes in job postings, Google search trends and news updates.

It offers users the function to monitor tickets for concerts, sports and other events, alongside changes in cryptocurrency and stock prices. With regular website uptime checks, it aids in ensuring that users' websites are running smoothly.

The platform also features customer review monitoring and software version tracking. Additionally, Let Me Know When provides alerts via email or Slack depending on the user's preference.

It offers a scalable free plan, allowing users to upgrade as their needs grow.

Let Me Know When website

Best for

Short scenarios where Let Me Know When tends to shine.

  • Monitoring competitor websites for new products and design changes

    Best for E-commerce businesses

  • Tracking price changes on e-commerce sites

    Best for Marketing professionals

  • Receiving alerts when out-of-stock items become available

    Best for SEO specialists

  • Monitoring SEO performance to improve search engine rankings

    Best for Product managers

  • Tracking news and media updates relevant to specific topics

    Best for Competitor analysts

Example outputs 1

Sample generations and before/after results for Let Me Know When.

Let Me Know When screenshot
Let Me Know When screenshot Let Me Know When website

Access & connections

Where you can use Let Me Know When, and what it plugs into.

Platforms

Web

Integrations

Slack

Pros & cons

Pros

  • Free website monitoring
  • Competitor analysis
  • Price change alerts
  • Stock availability notifications
  • Design change detection
  • Content update alerts
  • SEO performance tracking
  • Product launch monitoring
Show 19 more
  • Job posting alerts
  • Event ticket monitoring
  • Crypto and stock monitoring
  • Google search trends monitoring
  • News and media monitoring
  • Website uptime monitoring
  • Customer review monitoring
  • Software version tracking
  • Upgradeable plans
  • Email or Slack notifications
  • Intuitive interface
  • Design change automatic detection
  • Job listing tracking
  • Ticket availability and prices tracking
  • Customer reviews and ratings info
  • Software update tracking
  • Scalable pricing plans
  • Regular updates on tracked websites
  • Flexible and upgradeable plans

Cons

  • Paid plans expensive
  • Only email, Slack notifications
  • No multi-language support
  • No mobile app
  • No social media alerts
  • No realtime monitoring
  • Limited websites for monitoring
  • No API provided
Show 1 more
  • No user community support

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Releases 1

Initial release October 8, 2024 Current
Initial release of Let Me Know When.

Imported reviews 2

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Rohan Oct 19, 2025 v@ initial release

this is very impressive, it tracks everything from SEO to website changes

ZuchHuang Jul 26, 2025 v@ initial release

Interesting idea

FAQ 12

What is Let Me Know When?
Let Me Know When is an AI-powered, free website monitoring tool. It offers comprehensive monitoring services for any website, which includes tracking price changes, competitor updates, stock availability, event occurrences, and other website changes. Using competitor analysis, it provides notifications about rivals' new products, updates, and design changes. It also tracks SEO performance, content updates, crypto and stock changes, job postings, events, and uptime checks. You can also get alerts related to customer reviews and software version updates.
How does Let Me Know When monitor price changes?
Let Me Know When monitors price changes by employing AI techniques to continuously keep track of any price changes on the websites you're interested in. Once it detects a price change, it sends an alert to inform you in real time.
Can Let Me Know When sense updates on my competitor's website?
Yes, Let Me Know When can sense updates on your competitor's website. It uses AI to track and analyze your competitors, keeping note of new products, updates, and design changes. This competitive analysis support allows for real-time insights and provides you an edge in your industry.
How does Let Me Know When provide competitor analysis?
Let Me Know When provides competitor analysis by monitoring your rivals' websites for new products, updates, and design changes. This not only keeps you informed about what your competitors are doing but also helps you strategize accordingly to stay competitive.
Does Let Me Know When monitor SEO performance?
Yes, Let Me Know When does monitor SEO performance. It tracks your website's SEO metrics ensuring they are optimized and performing well in search engine results. This feature assists you in maintaining a competitive edge in your industry.
What kind of content updates does Let Me Know When track?
Let Me Know When tracks a range of content updates. It detects changes in website design and updates to content, such as new articles and blog posts. Whenever such changes are identified, the tool provides users with timely information, helping them stay updated about their favorite sites.
How does Let Me Know When assist in website uptime checks?
Let Me Know When assists in website uptime checks by performing regular checks to verify that your website is running smoothly. If any issues or downtime is detected, it will alert you promptly for necessary actions.
Can Let Me Know When monitor changes in job postings?
Yes, Let Me Know When can monitor changes in job postings. If there are new job listings that match your criteria, whether on your website or others that you monitor, it will alert you immediately.
How can Let Me Know When help me monitor event tickets?
Let Me Know When can help you to monitor event tickets by tracking their availability and price changes for concerts, sports, and other events. When changes occur, you will receive an alert immediately.
Can Let Me Know When track changes in cryptocurrency and stock prices?
Yes, Let Me Know When can track changes in cryptocurrency and stock prices. It keeps a watchful eye on these areas, providing you with timely and relevant updates as they occur.
Does Let Me Know When offer customer review monitoring?
Yes, Let Me Know When does offer customer review monitoring. It tracks new reviews and ratings on various platforms, keeping you informed about customers' feedback and sentiment towards your products or services.
How does Let Me Know When track software versions?
Let Me Know When tracks software versions by keeping tabs on software version updates and end-of-life notifications. This can help you stay ahead and prepared for any necessary steps that need to be taken regarding software updates.
Let Me Know When Free + from $9.99/mo
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