Comparison

PepPedia vs Peptide Stack

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

Head to head
About

PepPedia

An educational reference for peptide research, offering a comprehensive library of peptide profiles, personal tracking tools for notes and inventory, and helpful math calculators. Securely sync your data across devices to stay organized and informed.

Highlights
  • Peptide research library
  • Personal notes and logs
  • Inventory and expiration tracking
  • Personal metrics logging
  • Reconstitution calculator
  • Concentration math helper
Features
Read full description

PepPedia is an educational reference companion for those researching peptides. Browse information, track your personal notes, and stay organized. Research Library • Browse 70+ peptide profiles with detailed information • Molecular data, mechanisms of action, and published research • Citations and references to scientific studies • Save compounds to your personal library Personal Journal • Create notes and logs for your own records • Timestamp entries and add personal annotations • Organize by category • View your complete history Inventory Organizer • Track supplies, quantities, and expiration dates • Get low-stock and expiration reminders • Stay organized Personal Metrics • Log weight and personal notes • Track trends over time Math Tools • Reconstitution calculator (generic unit conversion) • Concentration math helper • All values entered by user - no recommendations made PepPedia Pro • Unlock additional features including extended tracking, data exports, and more. Your data syncs securely across devices. Start tracking smarter today. This app does not provide medical advice, diagnoses, or treatment recommendations. Information is for educational purposes only. Consult a healthcare provider for medical decisions. Terms of Service (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pep-pedia.org/privacy

About

Peptide Stack

Track your GLP-1 medication doses and monitor your weight progress. This app supports various peptide medications and custom stacks, helping you manage your health journey.

Highlights
  • GLP-1 medication tracking
  • Weight progress monitoring
  • Custom peptide stack support
  • Dose logging
  • Subscription management
Features
Read full description

Whether you're on a GLP-1 medication, semaglutide, tirzepatide, or running a custom peptide stack. Subscription Details: - Monthly Plan: $9.99/month (auto-renews monthly) - Annual Plan: $49.99/year ($4.17/month, auto-renews annually) - Payment will be charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless canceled at least 24 hours before the end of the current period - Your account will be charged for renewal within 24 hours prior to the end of the current period - You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase Terms of Use (EULA): https://peptidestack.io/terms Privacy Policy: https://peptidestack.io/privacy

Screenshots

PepPedia4 screens
Peptide Stack4 screens

Verdict

The call

The clearest difference is rating: Peptide Stack at 4.2 against PepPedia's 3.7. Peptide Stack also leads on review sentiment (67% vs 53%). PepPedia's advantage is ads (none vs shown) and ratings volume (63 vs 5). On price, update cadence, 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. PepPedia sells 2 in-app purchases, starting at $6.99 per month and Peptide Stack sells 2 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 Stack holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: PepPedia has 63 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 53% of PepPedia's written reviews are positive against 67% of Peptide Stack's.

UpkeepUpdate frequency

PepPedia ships an update every 2 days, Peptide Stack daily. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
PepPedia versus Peptide Stack: the parameters behind the verdict, then further details
ParameterPepPediaPeptide Stack
PriceFreeFree
Rating3.7 (63 ratings)4.2 (5 ratings) — better
Positive reviews52.9% of reviews66.7% of reviews — better
Number of ratings63 — better5
Update frequencyEvery 2 daysDaily — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size77 MB13 MB
Age rating17+12+
DeveloperPepPedia, Inc.Brandon King

Customer experience

PepPedia

All ratings63 ratings
Positive66.7%
Neutral1.6%
Negative31.7%
Written reviews34 reviews
Positive52.9%
Neutral5.9%
Negative41.2%

Peptide Stack

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

2 purchases

PepPedia

Subscriptions2
  • Peppedia Pro Monthly1 Month trial$6.991 Month
  • Peppedia Pro Yearly$19.991 Year
2 purchases

Peptide Stack

Subscriptions2
  • Monthly Plan7 Days trial$9.991 Month
  • Annual Plan7 Days trial$49.991 Year

Questions

Is PepPedia free?
PepPedia is free to download, with in-app purchases available.
Is Peptide Stack free?
Peptide Stack is free to download, with in-app purchases available.
Which has better reviews, PepPedia or Peptide Stack?
Peptide Stack is rated higher. PepPedia averages 3.7 out of 5 from 63 ratings, while Peptide Stack averages 4.2 from 5 ratings.
Do PepPedia or Peptide Stack have ads?
Peptide Stack shows ads; PepPedia does not.
Which is updated more often, PepPedia or Peptide Stack?
PepPedia ships an update every 2 days, and Peptide Stack daily. Most recently, PepPedia was updated on October 14, 2026 and Peptide Stack on October 2, 2026.

Other comparisons