Do I need both Supermetrics and Polar?

Usually one or the other — Supermetrics if you're building in a warehouse or BI tool, Polar if you want managed dashboards.

Does The Ad Spend replace them?

No — they centralize and visualize data; The Ad Spend records and explains ad-account changes and acts on them.

Head-to-head · Marketing data — pipelines vs ecommerce BI

Data pipeline vs ecommerce BI.

Supermetrics vs. Polar Analytics — feature comparison
Capability	Supermetrics	Polar Analytics
Core	Data connectors / pipeline (200+ sources)	Warehouse-native ecommerce BI
Where data lands	Sheets, Looker Studio, BigQuery, warehouses	Managed dashboards (Snowflake under the hood)
Dashboards	Bring your own BI tool	Built-in, customizable
AI	Emerging	Ask Polar — natural-language analyst
Best for	Teams with a BI stack who want the pipes	Shopify brands wanting dashboards out of the box

Choose

Supermetrics

Pick Supermetrics if you have (or want) your own BI or warehouse and just need reliable pipes to feed it.

Choose

Polar Analytics

Pick Polar Analytics if you're a Shopify brand that wants ready-made, customizable dashboards without building a BI stack.

Do I need both Supermetrics and Polar?: Usually one or the other — Supermetrics if you're building in a warehouse or BI tool, Polar if you want managed dashboards.
Does The Ad Spend replace them?: No — they centralize and visualize data; The Ad Spend records and explains ad-account changes and acts on them.