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We're here to help. Most questions are answered below.

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Frequently Asked Questions

How do I calculate a reconstitution?

Open PepSync, enter your peptide amount (in mg), add your BAC water volume (in mL), and the app instantly calculates the concentration. Enter your desired dose and the syringe fill indicator shows exactly how much to draw.

Where is my data stored?

Your PepSync records are stored locally on your device. There is no PepSync account or cloud database. Data only leaves when you explicitly export, back up, or share it; Apple separately handles App Store purchase and restore requests.

Can I add custom peptides?

Yes. Choose from the curated built-in library or enter a custom compound and amount for your calculation.

Will I lose my data if I update the app?

App updates preserve your local records. Before deleting PepSync or moving to a new phone, use Settings to export a versioned backup. You can preview and restore that backup on the new installation.

How do I restore my purchase?

Open the purchase screen and choose Restore Purchase while signed into the Apple ID that originally bought PepSync. Your records and your purchase are separate: restoring the purchase unlocks the app, while restoring a PepSync backup restores your exported records.

I found a bug. How do I report it?

Email support@pepsync.app with a description of the issue and your device model / OS version. We'll get back to you promptly.