Track. Optimize. Thrive.
Forecast testosterone, estrogen & GLP-1 levels. Track 100+ medications on-device.
OptiPin is the peptide and TRT tracker app built for hormone optimization. Log injections and peptides, rotate sites effortlessly, and forecast testosterone, estrogen, and GLP-1 levels between blood draws. Visualize trends, track 100+ medications, and keep your data private on your device.
14-day free trial · No account required
Purpose-built for TRT, peptides, and hormone health — designed to be simple, powerful, and private.
Log injections in seconds and rotate sites automatically to promote recovery.
Customize schedules, dosages, and reminders across 100+ medications and peptides.
Testosterone, GLP-1 and DHT level estimates plus hormone trend visualization to understand how your protocol affects your health.
Log mood, energy, sleep, and more — build a holistic picture over time.
No account required. Your health data stays with you. Optional backups included.
Get low-inventory alerts and never miss a dose with smart reminders.
Everything you need to understand and optimize your TRT, peptide, and GLP-1 protocol.
Browse 100+ medications: TRT, peptides, GLP-1 (semaglutide, tirzepatide, retatrutide), HGH, neurosteroids, and more — with dosing info and safety notes.
Browse medications →Complete guide to peptide reconstitution, injection technique, site rotation, and safety. Ideal for anyone starting peptides for the first time.
Read the guide →How to inject testosterone safely: intramuscular vs subcutaneous technique, injection site rotation, needle selection, and dosing schedules.
Read the guide →Step-by-step tutorial: log doses, project testosterone levels, analyze weekly trends, and track health metrics like HRV and sleep.
View walkthrough →I may not be the original target audience for this app but I was looking for a way to track my B12 shots (pernicious anemia) and monitor my fatigue levels between shots and this fits the bill! It also helps me see how my shots affect other health metrics and determine how far apart I should space them.
Excellent app, was looking for something comprehensive to track TRT and peptides plus ancillaries. Still growing, often updated, bringing in new functionality and tweaks. Looking forward to where the devs will take it.
Love it. Best app for tracking multiple peptides.
Near perfect. Great for my list of peptides and GLPs.
Perfect Pep App. When I first got this app, there was a couple of things I seen needed some changing. But instead of giving up and trying a different app I actually sent an email to the developer. The developer immediately email me back the next day. For the last eight weeks I've been going back-and-forth and he was extremely receptive and does all the changes and suggestions.
Great app. Fantastic app to track all peptides, and TRT.
Game changer. This app has been a game changer for me. Being able to not only track my dosage, but my supply has been able. I reached out to the developer multiple times ideas about improving the app and he has always been super responsive. I just want to say thank you for the great app and how helpful.
Perfect app. This app has helped me track so much, really kept me on schedule and calculated.
Made it so much easier to schedule and track usage and injection sites. Absolute game changer!
Perfect for tracking TRT injections and rotating sites. Clean interface and keeps all my data private.
This is the best peptide tracking app on the market hands down.
This app is top notch. On multiple occasions I've emailed support and worked with them to resolve the issue, walked me through things, and every time my issues have been resolved. This app gets better after every update.
Using this to track my TRT journey and it's superb. Author is also very responsive to suggestions. Optipin is also one of the peptide trackers and I've tried a bunch.
Loving the app, especially for my TRT+. Keep improving it.
Ratings and reviews are sourced from the App Store.
Testosterone Replacement Therapy (TRT) is a medical treatment for individuals with low testosterone levels. This app helps track your medication, symptoms, and progress.
Premium includes unlimited medications & peptides, medication reminders, hormone level visualization, bloodwork tracking, custom health metric trackers, CSV export. Free users are limited to 1 medication after the 14-day trial.
New users get a 14-day free trial with access to all Premium features. After the trial, you can continue with 1 free medication or upgrade to Premium for unlimited access.
Go to the Medications tab and tap 'LOG NEW DOSE'. Select your medication, enter the dosage amount, and tap Save.
Go to Medications → Add New → Custom. If it's a peptide or peptide blend, use the dosage calculator in the add medication flow to streamline the creation process. This will input dosage amount and units, and reconstitution volumes into the medication notes and fields.
Yes, Premium users can go to Settings > Export/Import Data and tap 'Export to CSV' to save your data in CSV format.
The app can send notifications to remind you about your medication schedule. Set up reminders in Settings > Notification Reminders.
Yes! Log into the same Apple ID on your new device, download the app, and go to Settings > Premium > Restore Purchases to restore your Premium access.
Get OptiPin on iPhone. Requires iOS 18.1 or later.
Download on the App Store