Comparison

Peptide Stack vs My Pet Rx

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

Head to head
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

About

My Pet Rx

Features
Read full description

My Pet Rx makes managing your pet's medications simple and stress-free. Whether you're tracking daily doses for one pet or coordinating care across a whole household, My Pet Rx keeps everything organized in one place. MEDICATION TRACKING Add all your pet's medications with dosages, frequencies, and custom schedules. See everything at a glance from your Today dashboard. DOSE LOGGING Mark doses as given, skipped, or missed with a single tap. Add notes for your vet and never wonder "did I already give that?" SMART REMINDERS Get timely notifications for every scheduled dose. Customize reminder timing to fit your routine. CARE TEAM Invite pet sitters, family members, or anyone who helps with your pet's care. They'll see assigned tasks and can log doses too — so everyone stays on the same page. CARE ROUTINES Schedule recurring tasks like feeding, walks, and grooming. Track completions with photos and notes. PET PROFILES Store vet info, allergies, weight history, and photos for each pet. Share profiles with caretakers instantly. ADHERENCE ANALYTICS Calendar heatmaps and adherence scores help you spot patterns and stay consistent. Generate PDF reports to share with your vet. Rx+ SUBSCRIPTION Free: 1 pet, 2 medications, basic reminders, 30-day history. Rx+ ($2.99/mo or $19.99/yr): Unlimited pets & medications, caretaker invites, adherence analytics, PDF vet reports, and more.

Screenshots

Peptide Stack4 screens
My Pet Rx4 screens

Verdict

The call

The clearest difference is ads: My Pet Rx at none against Peptide Stack's shown. Peptide Stack's advantage is update cadence (daily vs every 5 days) and iOS requirement (18.0 vs 26.2). On price, in-app purchases and device support 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 Stack sells 2 in-app purchases, starting at $9.99 per month and My Pet Rx sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Peptide Stack ships an update daily, My Pet Rx every 5 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Peptide Stack versus My Pet Rx: the parameters behind the verdict, then further details
ParameterPeptide StackMy Pet Rx
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings5 — better—
Update frequencyDaily — betterEvery 5 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better26.2
Further details — not scored
Size13 MB6 MB
Age rating12+4+
DeveloperBrandon KingBuck Deitz

In-app purchases

2 purchases

Peptide Stack

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

My Pet Rx

Subscriptions2
  • Rx+ Monthly$2.991 Month
  • Rx+ Annual$19.991 Year

Questions

Is Peptide Stack free?
Peptide Stack is free to download, with in-app purchases available.
Is My Pet Rx free?
My Pet Rx is free to download, with in-app purchases available.
Do Peptide Stack or My Pet Rx have ads?
Peptide Stack shows ads; My Pet Rx does not.
Which is updated more often, Peptide Stack or My Pet Rx?
Peptide Stack ships an update daily, and My Pet Rx every 5 days. Most recently, Peptide Stack was updated on October 2, 2026 and My Pet Rx on October 7, 2026.

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