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Know how many people use your product each day, week, or month. Tell counts unique visitors (by device ID) and gives you DAU, WAU, and MAU out of the box.

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Quick start

# Daily active users, last 30 days
tell metrics dau --range 30d

# Weekly active users, broken down by country
tell metrics wau --range 90d --breakdown country
Or via the API: 
curl "https://your-tell-server/api/v1/metrics/dau?range=30d" \
  -H "Authorization: Bearer $TOKEN"

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Metrics

DAU (daily active users) — distinct visitors per day. If a user visits three times in one day, they count once. WAU (weekly active users) — distinct visitors per rolling 7-day window. MAU (monthly active users) — distinct visitors per rolling 30-day window. User count — total user records over time from the users table, distinct from active user metrics.

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Breakdowns

Split any visitor metric by a dimension to see where your users come from: 
# Visitors by device type (desktop, mobile, tablet)
tell metrics dau --range 30d --breakdown device_type

# Visitors by operating system
tell metrics dau --range 30d --breakdown operating_system

# Visitors by country
tell metrics dau --range 30d --breakdown country
Via the API, add &breakdown=device_type to any active user endpoint.

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Comparing periods

See how visitor numbers changed compared to the previous period or same period last year: 
# DAU this month vs last month
tell metrics dau --range 30d --compare previous

# Year-over-year comparison
tell metrics mau --range 90d --compare yoy
The response includes the current total, previous total, absolute change, and percent change.

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Drill-down

When you see a spike or drop in visitors, drill into the raw data to see which specific users were active: 
curl "https://your-tell-server/api/v1/metrics/dau/raw?range=7d&limit=50" \
  -H "Authorization: Bearer $TOKEN"
This returns individual device IDs within the time range, so you can investigate further.

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Time ranges and granularity

All visitor metrics support the full set of time ranges and granularity options — from minute-level resolution up to yearly buckets, with predefined ranges like today, wtd, mtd, ytd, or custom date ranges.