Comparison

Peptide Tracker vs Peptides Calculator

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

Head to head
About

Peptide Tracker

Calculate peptide dosages and reconstitution accurately and quickly. Track your injections with timely reminders and live activities. Save custom formulas and sync across devices for seamless management.

Highlights
  • Peptide dosage calculation
  • Reconstitution guidance
  • Injection time tracking
  • Custom formula saving
  • Widget for daily doses
  • Reminders and Live Activities
  • iCloud sync across devices
Features
Read full description

Track your peptide routines with a clear dose log, flexible schedules and reminders. PepFlow keeps your protocols and history together so you can see what is next and review what you have recorded. Keep your routine on track - Manage protocols for injections, injectable pens, oral medications, nasal sprays and topical products. - Save preparation details for your peptides for easy reference. - Keep separate schedules and reminders for each protocol. - Record doses and review your history. - See upcoming and recorded doses in the calendar. - Check your schedule with widgets and Live Activities. - Sync your protocols and tracking history across iPhone and iPad with iCloud. - Add scheduled doses to Apple Calendar and Reminders. Consult a healthcare professional before making medical decisions. PepFlow PRO Some features require a PepFlow PRO purchase. Payments are handled through your Apple Account. Subscriptions renew automatically unless auto-renewal is turned off at least 24 hours before the current period ends. Your account is charged for renewal within 24 hours before the current period ends. Manage subscriptions in your Apple Account settings. Lifetime purchases are a one-time payment and do not renew. Questions or feedback? Contact hi@pepflow.app Terms of Service: https://pepflow.app/terms-of-service/ Privacy Policy: https://pepflow.app/privacy-policy/

About

Peptides Calculator

This app helps users log, organize, and manage their peptide preparation process. It offers features for calculating reconstitution details, saving vial records, and accessing educational content. An optional subscription unlocks unlimited entries, enhanced tracking, and multi-device sync.

Highlights
  • Log and calculate reconstitution details
  • Save and organize vial records
  • Browse peptide reference library
  • Access educational videos and articles
  • Track weight over time
  • Multi-device sync (Pro)
Features
Read full description

Peptides Calculator — the all-in-one peptide tracker and reconstitution calculator. Log, organize, and manage your peptide preparation process in one place: reconstitution math, BAC water (bacteriostatic water) amounts, syringe units and mL, vial records, and dose logs. Whether you're engaging in research, personal study, or general wellness tracking, this peptides calculator keeps your information clear and organized. Free Features: Peptide reconstitution calculator — total amount (mg), diluent/BAC water volume, and units per insulin syringe or mL GLP-1 friendly logging — record units, dates, and notes for any peptide protocol Vial tracker — save and organize vial records with preparation dates and usage logs Injection log with site tracking Browse a general peptide reference library Access educational videos and articles Track your weight over time with a simple chart No login required for basic features More Built-In Tools: Fasting timer with Live Activities Meal and macro logging Lab results tracking and charts Dose reminders, streaks, home-screen widgets, Apple Watch app, and iMessage protocol sharing Go Pro – Unlock Even More (Subscription Required): Unlimited vials and log entries Weight & calendar tracking with enhanced charts Multi-device sync (sign in with Apple or Google for secure data access) Priority customer support Early access to new features and Pro-only updates All current and future premium features unlocked A subscription is required for unlimited access to Pro features. You can choose a monthly or yearly plan. Subscription auto-renews unless canceled at least 24 hours before the end of the current period. Manage your subscription anytime in your App Store account settings. Disclaimer Peptides Calculator is intended strictly for personal, educational, and informational purposes. This app is not a medical device and does not provide medical advice, diagnosis, treatment recommendations, or dosage guidance. The app does not suggest or imply the use of any specific peptides, medications, or substances. It is a self-managed logging tool for personal tracking only. Users are advised to consult with a licensed physician or medical professional before making any decisions related to health, medications, supplements, or treatment options. Peptides Calculator is not affiliated with any pharmaceutical company, healthcare institution, or regulatory authority. The app is not intended to replace professional medical consultation, diagnosis, or care. Privacy Policy: https://www.peptidescalculator.app/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Peptide Tracker4 screens
Peptides Calculator4 screens

Verdict

The call

The clearest difference is rating: Peptide Tracker at 4.8 against Peptides Calculator's 4.3. Peptide Tracker also leads on review sentiment (79% vs 55%). Peptides Calculator's advantage is update cadence (every 5 days vs fortnightly). On price, ratings volume, ads and in-app purchases there is nothing between them.

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. Peptide Tracker sells 11 in-app purchases, starting at $0.99 per 7 days and Peptides Calculator sells 11 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Peptide Tracker holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 439 and 174 respectively. Written reviews point the same way: 79% of Peptide Tracker's written reviews are positive against 55% of Peptides Calculator's.

UpkeepUpdate frequency

Peptide Tracker ships an update fortnightly, Peptides Calculator every 5 days. Both last shipped on October 28, 2026.

Scorecard3 real differences · 7 level
Peptide Tracker versus Peptides Calculator: the parameters behind the verdict, then further details
ParameterPeptide TrackerPeptides Calculator
PriceFreeFree
Rating4.8 (439 ratings) — better4.3 (174 ratings)
Positive reviews79.3% of reviews — better54.5% of reviews
Number of ratings439 — better174
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.017.6 — better
Further details — not scored
Size181 MB78 MB
Age rating4+17+
Developerkeinois OUSphnix, Inc

Customer experience

Peptide Tracker

All ratings439 ratings
Positive95.4%
Neutral1.4%
Negative3.2%
Written reviews29 reviews
Positive79.3%
Neutral6.9%
Negative13.8%

Peptides Calculator

All ratings174 ratings
Positive82.2%
Neutral5.2%
Negative12.6%
Written reviews55 reviews
Positive54.5%
Neutral20.0%
Negative25.5%

Bugs and requests

Peptide Tracker

Not enough reviews yet to summarise bugs or requests.

Peptides Calculator

Reported bugs

2 issues
  • All vials disappeared after an update
  • Unable to find how to update streaks and last taken

Requested features

4 requests
  • Add shot tracker to record when a dose was taken
  • Allow editing of vial information and dosing
  • Add option to set cycle length in weeks, not just days
  • Allow changing dose for different weeks when titrating

In-app purchases

11 purchases

Peptide Tracker

Subscriptions11
  • PepFlow PRO (Weekly)3 Days trial$0.997 Days
  • PepFlow PRO (Monthly)3 Days trial$2.991 Month
  • PepFlow PRO (Weekly)3 Days trial$2.997 Days
Show 8 more
  • Peptide PRO (Weekly)3 Days trial2 variants$2.997 Days
  • PepFlow PRO (Weekly)3 Days trial3 variants$3.997 Days
  • PepFlow PRO (Annual)3 Days trial$8.991 Year
  • PepFlow PRO (Monthly)3 Days trial2 variants$9.991 Month
  • Peptide PRO (Annual)3 Days trial$14.991 Year
  • Peptide PRO (Annual)3 Days trial$19.991 Year
  • PepFlow PRO (Annual)3 Days trial2 variants$29.991 Year
  • Peptide PRO (Annual)3 Days trial$44.991 Year
11 purchases

Peptides Calculator

Subscriptions10
  • Monthly Premium Access7 Days trial$9.991 Month
  • Family Monthly Premium Access$14.991 Month
  • Premium Plus7 Days trial$14.991 Month
Show 7 more
  • Premium Plus Family (Montly)$19.991 Month
  • Pro Loyalty Yearly$54.991 Year
  • Yearly Premium Access7 Days trial$99.991 Year
  • Premium Plus Loyalty Yearly$99.991 Year
  • Family Yearly Premium Access$149.991 Year
  • Premium Plus (Yearly)7 Days trial$149.991 Year
  • Premium Plus — Family (Yearly)$199.991 Year
One-time1
  • Remove Ads$2.99

Questions

Is Peptide Tracker free?
Peptide Tracker is free to download, with in-app purchases available.
Is Peptides Calculator free?
Peptides Calculator is free to download, with in-app purchases available.
Which has better reviews, Peptide Tracker or Peptides Calculator?
Peptide Tracker is rated higher. Peptide Tracker averages 4.8 out of 5 from 439 ratings, while Peptides Calculator averages 4.3 from 174 ratings.
Do Peptide Tracker or Peptides Calculator have ads?
Neither Peptide Tracker nor Peptides Calculator shows ads.
Which is updated more often, Peptide Tracker or Peptides Calculator?
Peptide Tracker ships an update fortnightly, and Peptides Calculator every 5 days. Most recently, Peptide Tracker was updated on October 28, 2026 and Peptides Calculator on October 28, 2026.

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