Google Play
Version 1.0.0 · 2026-06-28
No release notes were provided for this version.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.0.0, updated 2026-06-28.







Store screenshots supplied by the developer.
The peptide calculator that actually tracks your protocol.
Ozempic. Wegovy. Mounjaro. Zepbound. Semaglutide. Tirzepatide. Retatrutide. BPC-157. Whatever you're running, PepStack handles the math, the logging, and the data without ever touching your personal information.
No account. No cloud. Your data stays on your device.
RECONSTITUTION CALCULATOR
The most accurate peptide reconstitution calculator on Android. Enter your vial size, BAC water volume, and desired dose and get the exact draw volume instantly. Works for every GLP-1 compound and research peptide.
INJECTION SITE BODY MAP
Visual injection site rotation tracker. See exactly where you last injected and where to go next. Reduce scar tissue buildup. Never hit the same spot twice.
DOSE ESCALATION SCHEDULES
Built-in semaglutide, tirzepatide, and retatrutide escalation presets.…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
No release notes were provided for this version.
peptide-calculatorWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.