# Signal: Peptide Calculator — Reconstitution reference tool > Peptide reconstitution calculator with research data and advanced features. (iPhone/iPad app by JESSE DERIC DEAN.) - Source: https://appshunter.io/ios/app/signal-peptide-calculator/id6761735493 (this page in markdown: same URL + `.md`) - Developer: [JESSE DERIC DEAN](https://appshunter.io/developer/1891167891) - Category: Health & Fitness - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 12+ - Requires: iOS 15.1 · 29 MB - Languages: English - Released: 2026-04-14 - Data updated: 2026-08-06 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/signal-peptide-calculator/id6761735493/reviews.md ## What is Signal? Signal is the research backed peptide reconstitution calculator from The Peptide Signal. Unlike other calculators, Signal knows your compounds. Select from 65 research profiled peptides and get pre populated reference ranges, evidence tier ratings, and reconstitution math for any syringe type. CALCULATOR Precise reconstitution math for U-30, U-40, U-50, and U-100 syringes. Visual syringe ruler for reference. Multi peptide blend support. Clinical and community reference ranges with published research context. Safety warnings for impractical draw volumes. Every calculation result includes a Research Sources section with published citations and a link to the full evidence profile. 65 COMPOUND DATABASE Every compound includes an evidence tier rating, reference ranges for both clinical and community contexts, published research citations (author, year, journal), WADA prohibition status, and administration route. SIGNAL PRO ($4.99/month or $34.99/year) Unlimited saved protocols with notes. Scheduling with customizable frequency and cycle periods. Calendar with tracking. Push notification reminders. Logging and history. Export protocols as JSON. FOR RESEARCH USE ONLY This app is a mathematical reconstitution reference tool. It does not provide medical advice, prescriptions, or treatment recommendations. Reference ranges are derived from published research literature. Consult a qualified healthcare provider before using any compound. Terms of Use: https://thepeptidesignal.com/terms Privacy Policy: https://thepeptidesignal.com/privacy ## Key features - Precise reconstitution math for multiple syringe types - 65 compound database with evidence tier ratings - Clinical and community reference ranges with research context - Safety warnings for impractical draw volumes - Unlimited saved protocols with notes (Pro) - Scheduling and calendar tracking (Pro) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Signal Pro | $4.99 | per month | | Signal Pro Annual | $34.99 | per year | ## Frequently asked questions about Signal ### 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. ## Version history (last 5 releases) ### 1.4 — 2026-05-27 New in this version: - Subscribe to the free weekly research brief without leaving the app - Updated compound profiles and refinements throughout ### 1.2 — 2026-04-20 Consolidated morning and evening dose reminders for better notification management. Skip or defer scheduled doses from the calendar. Improved dark mode consistency across all screens. Enhanced stability for saved protocols and legacy data. Updated App Store screenshots. Bug fixes and performance improvements. ### 1.1.1 — 2026-04-16 Updated App Store screenshots. ### 1.1.0 — 2026-04-15 Grouped morning and evening dose reminders for better notification management. Skip or defer scheduled doses from the calendar view. Bug fixes and stability improvements. ### 1.0 — 2026-04-14 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-06.*