I pulled survival and review numbers for apps with and without the BFS badge. Among apps with at least 20 reviews, the badged ones survive at about 96.9% and pull roughly 8 new reviews a month, while the non-badged ones sit at 71.9% and around 1 a month, according to Letsmetrix Q3 report. This is only the ≥20-review pool, so it isn’t the same as the ~77% survival figure usually quoted for the whole store.
A lot of that gap is probably selection rather than magic. To even qualify you already need a performant app with real traction, so the badge partly marks apps that were going to do well anyway.
What makes me think it’s becoming more than a marker is where the badge now plugs in. In Shopify’s own changelog for Sidekick’s app recommendations, Built for Shopify is the only ranking signal they name - it “improves ranking in both the App Store and Sidekick”. And Sidekick shows just up to three app cards for a broad query.
So as merchants move from browsing categories to asking Sidekick, the badge stops being a trust mark and starts looking like the ticket to even make the shortlist. Non-BFS apps aren’t only ranked lower - they may barely surface in the channel that’s replacing browse.
If that holds, the 96.9 vs 71.9 gap is part quality and part discovery-access - and the access half widens on its own.
Quick test if you’re curious: ask Sidekick for an app in your category and count how many of the cards come back BFS. And for devs who earned it, did installs move when you got the badge, or did your numbers already look like that before?