Engagement Analytics
Review opens, clicks, unsubscribes and recipients across recent sends, with cohorts for audience-retention analysis.
Performance across recent sends
Audience cohorts and retention
Opens, clicks and unsubscribes together
THE RADAR PERSPECTIVE
A fit for your project?
Worth exploring for
Measure subscriber engagement and retention.
Before you choose
Start with one page or campaign. Check the limits, recurring costs and options for exporting your work before committing.
An editorial orientation based on the listed use cases, not a customer testimonial or a hands-on product test. The score is not a user rating.
How to read our selectionsWHY THIS SCORE
A transparent score, not a black box.
The starting relevance is adjusted according to the release age. The older an automated signal gets, the lower its score becomes.
RELEVANCE BASE
FRESHNESS ADJUSTMENT
DISPLAYED SCORE
Verified selection · Reference selection
VIEW THE FULL METHODOBSERVED HISTORY
A factual timeline, not a promise.
Each dated point comes from a recorded scan. Missing days are never reconstructed.
DAYS OBSERVED
STABLE
LATEST READING
PRACTICAL COMPARISON
Kit vs beehiiv vs Substack
Put this signal in context with decision criteria, a practical trial protocol and publisher sources.
RELATED SIGNALS
A LITTLE LESS GUESSWORK
Know what is behind each signal.
Check the source
Automatic releases link to official sources. Reference selections are labelled separately.
How the radar worksUnderstand the recommendation
A RADAR score is an editorial indicator, not a customer rating. An affiliate link does not increase it.
Read the scoring methodKnow what funds the site
Premium subscriptions and eligible purchases through disclosed affiliate links can fund RADAR/01.
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