Does Reactiv use Fellow?
Yes
We hold strong evidence for this.
- The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
How we know
About Reactiv
Reactiv provides App Clips and full iOS and Android mobile apps for commerce brands. It serves commerce brands and Shopify stores.
Summarized from its homepage on 11 Nov 2026.
What else Reactiv uses
Reactiv has evidence for 84 vendors. The strongest:
Google Ads
Google Analytics
Google Workspace
HubSpot
1Password
Amazon Web Services
Anthropic
Apple
Other companies using Fellow
Check any company's vendors in seconds
See Reactiv's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call