1Rebel vs FormulaSignal

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

1Rebel compared with FormulaSignal
Detail	1Rebel	FormulaSignal
What it does	Premium fitness club with high-intensity workouts and luxury facilities	Monitor supplement formula changes with dated label history
Stage	Not given	Startup
Founded	Not given	2026
Based in	GB	US
Pricing model	Not given	Freemium
Pricing	Not given	Free Locker: up to 24 saved products with no card required. Signal Pro: $29.99/year (or $3.99/month), includes monitoring for up to 10 products checked daily with email alerts for confirmed changes and monthly Stack Brief.
Key features	Not given	Free Locker holds up to 24 supplements with dated labels Daily monitoring of up to 10 products Email alerts when formula changes are confirmed Before You Reorder comparison of saved and current labels 561 product listings from 65 brands Signal Verified labels read and dated twice independently Product Ask feature for ingredient and formula questions Category Ledger for supplement brands REST API and MCP server for developers
What makes it different	Not given	Every number carries a date and source No paid placement and no brand influence Independent and founder-led company
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	45 −1 (down) since last check	5 −1 (down) since last check
Trust Flow (Majestic)	23	6
Citation Flow (Majestic)	38	24
Referring domains (Majestic)	736	22

2 details filled in for both companies.