Comparison

Peptides Calculator vs PepGuide

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

Head to head
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/

About

PepGuide

This app helps you build effective supplement stacks tailored to your health goals. It provides evidence-based insights into supplement interactions, compatibility, and community-driven trends. Optimize your wellness journey with clear, research-backed guidance.

Highlights
  • Goal-based supplement recommendations
  • Supplement interaction analysis
  • Stack compatibility insights
  • Community stack comparisons
  • Evidence-informed supplement profiles
  • Customizable supplement stacking
Features
Read full description

Build smarter supplement stacks based on your goals, not guesses. PepGuide helps you understand which supplements align with your goals, which ones conflict, and how each compound interacts when used together. Whether you're focused on muscle growth, fat loss, recovery, mood, longevity, or general wellness, the app gives you clear, evidence-informed insights tailored to what you want to achieve. Start With Your Goal Choose your goal and instantly see: Supplements that support your goal Supplements that may work against it Neutral supplements that can fit depending on your stack Research-backed context for why they help or hinder PepGuide simplifies complex supplement science so you can make confident decisions. Test & Compare Stacks Easily build custom supplement stacks and see: How well your stack aligns with your selected goal Where your ingredients may overlap, conflict, or cancel out Synergies and potential issues based on known mechanisms Strengths and weaknesses vs. other user-generated stacks Experiment, optimize, and refine—all inside the app. Compatibility Insights PepGuide shows you: Which supplements play well together Which combinations may reduce effectiveness Where timing or dose adjustments matter And which stacks are commonly used for your goal It’s like having a research assistant that highlights the best ways to combine supplements safely and effectively. Learn From the Community See how your stack compares to: Top-rated stacks for your goal Popular combinations across the app What others are experimenting with Get inspiration and learn from real patterns. Clear, Expert-Styled Explanations Every supplement profile includes: What it does: Mechanisms & expected effects Pros, cons, and safety notes When and how people typically use it What goals it tends to support What goals it may work against Zero fluff. Just clarity. Disclaimer PepGuide provides educational information only and does not offer medical advice. Always consult a healthcare professional before using supplements. Subscription Required for Premium Features PepGuide includes optional auto-renewing subscriptions that unlock premium features. A subscription is required to access advanced supplement grading, including detailed grades for individual supplements, comprehensive grading of entire supplement stacks, and comparisons of your supplement stack with those used by other individuals. You can explore general educational content in the app without a subscription, but premium analysis and comparison features are available only with an active subscription. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Peptides Calculator4 screens
PepGuide4 screens

Verdict

The call

The clearest difference is rating: Peptides Calculator at 4.3 against PepGuide's 3.9. Peptides Calculator also leads on review sentiment (55% vs 33%) and update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model 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. Peptides Calculator sells 11 in-app purchases, starting at $9.99 per month and PepGuide sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Peptides Calculator holds the better App Store score, 4.3 against 3.9. That said, the two scores are not equally well evidenced: Peptides Calculator has 170 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 55% of Peptides Calculator's written reviews are positive against 33% of PepGuide's.

UpkeepUpdate frequency

Peptides Calculator ships an update weekly, PepGuide every 3 weeks. The most recent releases landed on September 30, 2026 and September 18, 2026 respectively.

Scorecard5 real differences · 5 level
Peptides Calculator versus PepGuide: the parameters behind the verdict, then further details
ParameterPeptides CalculatorPepGuide
PriceFreeFree
Rating4.3 (170 ratings) — better3.9 (14 ratings)
Positive reviews54.5% of reviews — better33.3% of reviews
Number of ratings170 — better14
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.6 — better26.0
Further details — not scored
Size77 MB28 MB
Age rating17+4+
DeveloperSphnix, IncGOAT STEW LLC

Customer experience

Peptides Calculator

All ratings170 ratings
Positive82.4%
Neutral5.3%
Negative12.4%
Written reviews55 reviews
Positive54.5%
Neutral20.0%
Negative25.5%

PepGuide

All ratings14 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Bugs and 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

PepGuide

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
5 purchases

PepGuide

Subscriptions5
  • Weekly Access3 Days trial$4.997 Days
  • Monthly Access$14.991 Month
  • Unlock PepGuide Premium3 Days trial$14.991 Month
Show 2 more
  • Yearly Offer — 80% Off$19.991 Year
  • Yearly Access3 Days trial$99.991 Year

Questions

Is Peptides Calculator free?
Peptides Calculator is free to download, with in-app purchases available.
Is PepGuide free?
PepGuide is free to download, with in-app purchases available.
Which has better reviews, Peptides Calculator or PepGuide?
Peptides Calculator is rated higher. Peptides Calculator averages 4.3 out of 5 from 170 ratings, while PepGuide averages 3.9 from 14 ratings.
Do Peptides Calculator or PepGuide have ads?
Neither Peptides Calculator nor PepGuide shows ads.
Which is updated more often, Peptides Calculator or PepGuide?
Peptides Calculator ships an update weekly, and PepGuide every 3 weeks. Most recently, Peptides Calculator was updated on September 30, 2026 and PepGuide on September 18, 2026.

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