# Mantle

Source: watchfor.tools, an independent directory for people who build Shopify apps. No paid placement, no affiliate links. Not affiliated with Shopify.
Canonical: https://watchfor.tools/owners/mantle

A company behind 2 listings here. https://heymantle.com

An app billing and analytics platform that announced its wind-down in June 2026. It acquired SASI from Union Works, together with a separate product, App Store Analytics, which is not listed here.

## Listings

### SASI

Page: https://watchfor.tools/tools/sasi
Kind: Tool
Relationship: Acquired from Union Works.
Summary: Mantle's free App Store index, with listing history and change alerts.

### Mantle (winding down)

Page: https://watchfor.tools/tools/mantle
Kind: Tool
Relationship: Mantle's own billing and analytics platform, now winding down.
Summary: Billing, analytics, email, affiliates, flows, help desk. Shutting down.

Shared ownership is recorded where a listing's own site, or the owner's, states it. Each listing's caveat is on its own page.