Signal: Peptide Calculator
Reconstitution reference tool
About
This tool simplifies peptide reconstitution calculations with a comprehensive database of research-backed compounds. It offers precise math for various syringe types, evidence-based reference ranges, and safety warnings. An optional subscription unlocks advanced features like saved protocols and scheduling.
What's New in Signal
1.4
May 27, 2026
New in this version: - Subscribe to the free weekly research brief without leaving the app - Updated compound profiles and refinements throughout
MoreSubscription plans
Signal Pro
Pro tools: schedule, log, and track doses.
FAQ
What is Signal's primary function?
Signal is a mathematical reconstitution reference tool designed to simplify peptide reconstitution calculations. It provides precise math for various syringe types and includes a database of research-backed compounds with evidence tier ratings and reference ranges.
Does Signal provide medical advice?
No, Signal is strictly a mathematical reconstitution reference tool and does not provide medical advice, prescriptions, or treatment recommendations. Users should consult a qualified healthcare provider before using any compound.
What information is available for each compound in Signal?
Each compound in Signal's database includes an evidence tier rating, reference ranges for clinical and community contexts, published research citations, WADA prohibition status, and administration route. This data is derived from published research literature.
What are the features of Signal Pro?
Signal Pro, available via subscription, offers unlimited saved protocols with notes, scheduling with customizable frequency and cycle periods, a calendar with tracking, push notification reminders, logging and history, and the ability to export protocols as JSON.
How much does Signal Pro cost?
Signal Pro is available for $4.99 per month or $34.99 per year. This subscription unlocks advanced features for managing and tracking peptide protocols.
What devices is Signal compatible with?
Signal is currently supported on iPhone and iPod devices. The app is rated for users aged 12 and older.
How often is Signal updated?
The latest version of Signal is 1.4, last updated on May 27, 2026. The app was initially released on April 14, 2026.
Does Signal have ads?
No, Signal does not contain advertisements. The app is free to download and use, with an optional subscription for advanced features.