Comparison

PepX vs Peptimize

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PepX

Features
Read full description

Keep every peptide and compound protocol organized in one private place — built for people who want a real system of record for their own tracking, not a generic pill reminder. PepX is a personal tracking journal that lives entirely on your device. Build your protocols, log each dose, run the reconstitution math, and watch your progress over time. No account. No login. No cloud. Just your data, on your phone. WHY PEPX • Purpose-built for peptides and compounds — not a one-size-fits-all habit tracker • Everything in one place: protocols, doses, inventory, bloodwork, body metrics, and photos • Private by design: your records stay on your device, protected by Face ID / Touch ID • Works fully offline — nothing to sign up for TRACK EVERY DOSE • Build multi-compound protocols with schedules, titration steps, and on/off cycling • Log doses fast — mark taken, skipped, late, or missed, and edit anytime • Discreet reminders that never reveal what you're tracking unless you choose to • Injection-site rotation with an interactive body map and next-site rotation reminders based on your own log DO THE MATH, NOT THE GUESSWORK • A general reconstitution & concentration calculator — does the math on the values you enter (no dose recommendations, not medical advice) • Convert between concentration, volume, and syringe units • Save and reuse your own calculations • Visualize estimated compound levels over time from published half-lives • A built-in reference list of compounds for your own record-keeping — for general information only, not medical advice — plus add your own entries SEE YOUR PROGRESS • Weight, body composition, vitals, sleep, hydration, and nutrition • Daily check-ins for mood, energy, sleep quality, and how you feel • Progress photos with side-by-side comparison and charts • Bloodwork and lab tracking with reference ranges over time NATIVE TO YOUR iPHONE • Home Screen and Lock Screen widgets for your next dose • Apple Watch companion to view and log doses from your wrist • Control Center, Action Button, and Siri shortcuts to log in a tap • Optional Apple Health sync across weight, body comp, vitals, activity, nutrition, hydration, sleep, and mindful minutes YOURS TO KEEP — OR DELETE • Export a clean PDF or CSV to share with your healthcare provider • Permanently erase all of your data, anytime, with one action • Available in English, Português, and Español PepX is a personal tracking and logging journal. It does not provide medical advice, diagnosis, or treatment, and it does not sell, supply, or recommend any substance. Always consult a qualified healthcare professional before starting, changing, or stopping anything. Download PepX and log your first dose today.

About

Peptimize

This app helps individuals using GLP-1 medications track their injections, weight, side effects, and nutritional intake. It provides insights into patterns and progress, with features for medication inventory and reminders. Connects with Apple Health for a comprehensive view of your health journey.

Highlights
  • Log GLP-1 injections with details
  • Track weight and body measurements
  • Monitor appetite, side effects, and nutrition
  • Manage medication supply and set reminders
  • Integrate with Apple Health data
  • Analyze appetite cycles and patterns
Features
Read full description

Peptimize is a GLP-1 tracker built for people using Mounjaro®, Ozempic®, Wegovy®, Zepbound®, tirzepatide, semaglutide and other GLP-1 medications. Track injections, doses, weight, side effects, appetite, protein, hydration, supplements and body measurements — then see meaningful patterns across your journey. TRACK YOUR GLP-1 DOSES • Log injections with date, time, dose, route and injection site • Repeat your last dose quickly with Quick Log • Set dose reminders and keep a clear injection history • Track Mounjaro, Ozempic, Wegovy, Zepbound, tirzepatide, semaglutide and custom medications SEE YOUR WEIGHT-LOSS PROGRESS • Track weight and goal progress • View BMI and long-term weight trends • Log waist, hips, chest, arm and thigh measurements • Track body fat percentage and lean body mass • Follow progress beyond the number on the scale TRACK APPETITE, SIDE EFFECTS & NUTRITION • Log appetite, food noise and cravings • Record side effects and symptom severity • Track protein and hydration • Review changes across your GLP-1 journey TRACK SUPPLEMENTS TOO • Choose from a searchable list of commonly tracked supplements • Add custom supplements • Log taken or skipped entries • Set simple supplement reminders APPLE HEALTH Connect Apple Health to bring supported weight, body composition, activity, workout, nutrition and sleep data into Peptimize for a more complete view of your progress. SMART INVENTORY & REMINDERS • Track your remaining medication supply • See an estimated run-out date when your schedule allows it • Get low-stock and refill reminders • Keep your next dose visible at a glance PEPTIMIZE PRO Peptimize Pro requires an optional auto-renewable subscription. Unlock deeper analysis of the data you already track: • Appetite Cycle — see how appetite, food noise and cravings change across your recorded dose cycle • Weekly Peptimize Analysis • Pattern Insights • Advanced Trends and cross-metric comparisons PRIVATE BY DESIGN Peptimize is local-first and does not require a Peptimize account. Your personal health and medication records remain on your device rather than being uploaded to a Peptimize cloud-sync account. Peptimize is a tracking and educational tool and does not provide medical advice, diagnosis, treatment recommendations or dosing guidance. Always follow the instructions of your healthcare professional. Mounjaro® and Zepbound® are trademarks of Eli Lilly and Company. Ozempic® and Wegovy® are trademarks of Novo Nordisk. Peptimize is not affiliated with or endorsed by these companies. Terms of Use: https://www.peptimize.xyz/terms Privacy Policy: https://www.peptimize.xyz/privacy-policy

Screenshots

PepX4 screens
Peptimize4 screens

Verdict

The call

PepX and Peptimize are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
PepX versus Peptimize: the parameters behind the verdict, then further details
ParameterPepXPeptimize
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequency—Every 5 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Freemium
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size130 MB61 MB
Age rating4+17+
DeveloperVinicius Ramos PintoBITBILLION TECHNOLOGIES (OPC) PRIVATE LIMITED

In-app purchases

None

PepX

No in-app purchases

None

Peptimize

No in-app purchases

Questions

Is PepX free?
PepX is free to download, with no in-app purchases.
Is Peptimize free?
Peptimize is free to download, with no in-app purchases.
Do PepX or Peptimize have ads?
Neither PepX nor Peptimize shows ads.

Other comparisons