Comparison

Stackr vs Protocol Her

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

Head to head
About

Stackr

Easily track supplements, peptides, and medications to ensure you never miss a dose or run out. Features include a compound library, reconstitution calculator, depletion tracking, and budget management.

Highlights
  • 200+ compound library
  • Reconstitution calculator
  • Depletion tracking
  • Protocol grouping
  • Budget tracking
  • Dose logging
Features
Read full description

Track your peptides, GLP-1s, and supplements without a spreadsheet. Start free — no account, no ads, no tracking. Stackr tells you exactly when to reorder, factoring in shipping time, so you never run out mid-protocol. FREE TO START Track up to 3 items free. No account required. Your data stays on your device. NEVER RUN OUT • Depletion tracking with color-coded urgency — see days remaining at a glance • Reorder alerts that factor in your vendor's shipping time • Restock history and reorder logging NEVER OVERPAY • Cost per dose, daily spend, and annual run-rate • Track what each vendor actually costs you RECONSTITUTION CALCULATOR • Vial size + BAC water + target dose → exact syringe markings • U100, U40, and standard mL syringes • Pre-mixed vials too (TRT, HCG) — enter mg/mL and go • Saves your calculations to the item PROTOCOLS THAT MATCH REAL LIFE • Injection-day scheduling and multi-compound protocols • Titration schedules — ramp your dose week by week • Cycling support with on/off day tracking • Injection site rotation LOG IT IN SECONDS • One-tap dose logging with automatic inventory decrement • 100+ compound library with autocomplete • Energy, mood, sleep, and recovery check-ins • Export everything to CSV PRIVATE BY DEFAULT Everything is stored on your device. No account needed. We don't sell your data, show ads, or track you across other apps. Optional cloud backup uses your email only — protected by row-level security so only you can read your own data. STACKR PRO Unlimited items, cloud sync across devices, titration schedules, cycling, custom alert thresholds, full restock history, vendor links, and CSV export. • Monthly: $4.99/month • Annual: $39.99/year (includes 3-day free trial) 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. Manage or cancel your subscription in your Apple ID account settings. Stackr is a personal tracking tool and does not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, stopping, or changing any supplement, medication, or protocol. Terms of Use: https://www.mystackrapp.com/terms Privacy Policy: https://www.mystackrapp.com/privacy

About

Protocol Her

This app helps women track their peptide and GLP-1 protocols privately on their device. Log doses, cycle, measurements, and lab values, with optional reminders and Apple Health integration. Includes a unit conversion utility for reconstitution math.

Highlights
  • Private on-device logging
  • Dose and cycle tracking
  • Optional reminders
  • Apple Health integration (read-only)
  • Measurement and photo timeline
  • Reconstitution math utility
  • PDF export for clinicians
Features
Read full description

Private tracking for women following peptide and GLP-1 protocols. No account. No sign-up. Your logs stay on your iPhone. PRIVATE BY DESIGN - No account or login. Open the app and start using it. - Your doses, photos, and notes are stored on your device. - No ads. No social feed. We do not sell your data. STAY ORGANIZED - Log your doses and see your schedule at a glance. - Optional reminders at a time you choose. - Tap any reminder to land on the exact screen it is about. - Quick daily check-ins for weight, water, protein, energy, and appetite. - Log your cycle to keep personal context alongside your protocol. SEE YOUR FULL PICTURE - Connect Apple Health to view your daily steps and nightly sleep alongside your protocol. Read only, and only if you choose to connect. KEEP YOUR HISTORY IN ONE PLACE - A private body measurement and photo timeline that stays on your device. - A simple place to record bloodwork and lab values for your own reference. - Your active compounds and their schedules, organized in one place. RECONSTITUTION MATH, MADE CLEAR (EDUCATIONAL) - A unit conversion utility for the arithmetic behind reconstitution. Convert between concentration, liquid volume, and syringe units. - This is an educational reference for the math only. It is not a dose calculator and does not provide medical or dosing advice. Always double check your own figures and follow your clinician. BRING IT TO YOUR APPOINTMENTS - Export a clean, readable PDF of your logged history to share with your clinician. MADE FOR WOMEN Protocol Her focuses on what women actually track, in plain language, with support resources easy to find. MEMBERSHIP Protocol Her offers an optional auto-renewing subscription with monthly and yearly plans. Current pricing is always shown in the app before you purchase. Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Privacy Policy: https://protocolher.com/privacy Terms of Use: https://protocolher.com/terms IMPORTANT Protocol Her is an organizational and educational tool. It does not provide medical advice, diagnosis, treatment, or dosing recommendations. Always consult a qualified healthcare professional about your health and any medication or peptide. If you are struggling, support resources are available in the app, including crisis support and the National Alliance for Eating Disorders.

Screenshots

Stackr4 screens
Protocol Her4 screens

Verdict

The call

The clearest difference is ads: Stackr at none against Protocol Her's shown. Stackr also leads on rating (5.0 vs 4.8) and device support (3 vs 1). On price, review sentiment, ratings volume and update cadence 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. Stackr sells 2 in-app purchases, starting at $4.99 per month and Protocol Her sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Stackr holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Stackr ships an update every 4 days, Protocol Her every 6 days. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

Scorecard4 real differences · 6 level
Stackr versus Protocol Her: the parameters behind the verdict, then further details
ParameterStackrProtocol Her
PriceFreeFree
Rating5.0 (8 ratings) — better4.8 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings89 — better
Update frequencyEvery 4 days — betterEvery 6 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size53 MB17 MB
Age rating12+17+
DeveloperAlexander HooglandDZ LABS LLC

Customer experience

Stackr

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Protocol Her

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Stackr

Subscriptions2
  • Stackr Pro Monthly3 Days trial$4.991 Month
  • Stackr Pro Annual3 Days trial$39.991 Year
2 purchases

Protocol Her

Subscriptions2
  • Monthly$12.991 Month
  • Annual3 Days trial$69.991 Year

Questions

Is Stackr free?
Stackr is free to download, with in-app purchases available.
Is Protocol Her free?
Protocol Her is free to download, with in-app purchases available.
Which has better reviews, Stackr or Protocol Her?
Stackr is rated higher. Stackr averages 5.0 out of 5 from 8 ratings, while Protocol Her averages 4.8 from 9 ratings.
Do Stackr or Protocol Her have ads?
Protocol Her shows ads; Stackr does not.
Which is updated more often, Stackr or Protocol Her?
Stackr ships an update every 4 days, and Protocol Her every 6 days. Most recently, Stackr was updated on September 10, 2026 and Protocol Her on September 11, 2026.

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