F

Web product

Added October 13, 2026

FormulaSignal

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About the product

FormulaSignal is a free personal Locker for the supplements you care about. Organize your rotation, products you are considering, and products you used before. Covered products include dated label references, source links and formula history so you can compare records before you reorder. Optional monitoring checks eligible covered products and emails you when a change is confirmed with comparable dated evidence. Coverage limits and unreadable sources stay visible.
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For product owners

Promote FormulaSignal

Every listing gets one post to our X and Threads followers. It is seen once, then the traffic stops. Promotion keeps FormulaSignal in front of people instead.

  • Back in the X and Threads rotation: FormulaSignal gets posted again instead of once.
  • A promoted slot on the AppRater homepage, carrying a Promoted badge.
  • A direct link to FormulaSignal from a DR45 site (Ahrefs Domain Rating), with no redirect in between.
  • A labelled spot in the weekly email to AppRater subscribers, one promoted app per issue.
  • Stays on the first screen however old the listing is, while new submissions push everything else down.

Monthly promotion

$14USD per month

Card, Apple Pay and more, through Whop. Starts straight away.

  • Cancel any time from the Whop account you paid with, or email [email protected] and we will do it.
  • The promotion starts straight away, no waiting on us.
  • Whop handles the checkout. We never see your card.

Questions first? Email [email protected].

For ownersOwn FormulaSignal? You can add a deal, post a role or put the badge on your own site.