Users forget about your product between sessions
A weekly email showing users their own data and progress. Keeps your product top of mind and gives a reason to return.
When to use
You have per-user data that changes weekly. Users benefit from periodic check-ins.
Hypothesis template
If we send weekly emails with [personal stats/progress], login frequency will increase by [target]% because users are reminded of their investment and curious about updates.
Method
The problem: Users don't log in unless they have a specific task. Between tasks, they forget you exist.
What Grammarly does: Weekly writing stats: words checked, top mistakes, accuracy score, streak. It's genuinely interesting and makes users want to keep their streak going.
The result: Weekly digest emails are one of the most effective retention tools in SaaS. Users who receive them log in 2-3x more frequently.
How to do it:
- Identify 3-5 metrics users would find interesting about their own usage
- Design a clean email template with personal stats
- Include one actionable insight: "You have 2 experiments waiting for results"
- Add a comparison to last week or to benchmarks
- Include one CTA: the most valuable next action for this user
- Send on the same day/time each week for predictability
Key insight: The email isn't marketing — it's a product feature delivered via email. If it contains genuinely interesting data, users look forward to it.
Success metrics
- •Email open rate
- •Click-through rate
- •Weekly login frequency
- •Churn rate (digest recipients vs non-recipients)
Prerequisites
- Per-user data to include in the digest
- Email system with dynamic templates
- Analytics on user activity
Common pitfalls
- •Sending when there's nothing interesting to report
- •Making it feel like marketing instead of a useful summary
- •Including too much data (3-5 stats max)
- •Not including a specific action to take
Source: Grammarly, Strava, GitHub. Weekly personal digests increase login frequency by 2-3x.
Suggested ICE scores
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