Comparison

PeptidesAI vs Protocol

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

Head to head
About

PeptidesAI

Instantly calculate peptide reconstitution and dosage units, then track your entire cycle. Log doses, monitor vial levels, and receive expiry and low-supply alerts. Features an injection site map, progress tracking, and a reference for 70 compounds with an AI assistant.

Highlights
  • Instant dose and reconstitution calculation
  • Live vial level and expiry tracking
  • Injection site mapping
  • Weight and progress photo tracking
  • AI assistant for peptide information
  • Data export to CSV
Features
Read full description

The peptide tracker that does the math for you. Reconstitution, dose and syringe units - calculated instantly, then tracked across your whole cycle. No account. No spreadsheet. Everything on your device. THE PEPTIDE CALCULATOR Enter your vial size, your bacteriostatic water and your target dose. See exactly how many units to draw on an insulin syringe - instantly, every time. No more redoing the arithmetic three times to be sure. • Works with 0.3 mL, 0.5 mL and 1 mL syringes • Warns you when a draw won't fit and suggests what to change • Live syringe diagram so you can see the amount, not just read it TRACK EVERY DOSE Your whole stack on one screen. Each vial shows what's due today, how much liquid is left, and when it expires. • Live vial levels that drop as you log • Expiry tracking from the day you reconstitute • Low-supply alerts before you run out mid-cycle • Reminders that follow your real schedule - daily, weekly, every few days, or custom NEVER REPEAT A SITE An interactive body map remembers where you injected and tells you where to go next, colour-coded by how recently each site was used. SEE WHAT'S ACTUALLY WORKING • Weight tracking, with optional Apple Health sync • Progress photos with side-by-side comparison • Side-effect logging tied to the specific compound that preceded it • Adherence and streaks based on your real schedule, not calendar days 70 COMPOUNDS, PROPERLY REFERENCED Dosing ranges, half-life, storage, reconstitution guidance and what published studies actually found — for 70 compounds including BPC-157, TB-500, retatrutide, semaglutide, tirzepatide, ipamorelin, CJC-1295, GHK-Cu and more. ASK ANYTHING A built-in assistant answers peptide questions in plain English, grounded in published literature. It won't tell you what to take — it explains what the research says so you can have a better conversation with your clinician. YOUR DATA STAYS YOURS No account. No sign-up. Everything is stored on your device, with optional iCloud sync across your own devices. Export everything to CSV whenever you want. PREMIUM PeptidesAI Premium unlocks the full calculator, the complete compound reference, unlimited tracking and the assistant. The annual plan starts with a 7-day free trial. Weekly and monthly plans are also available, along with a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed or cancelled any time in your App Store account settings. IMPORTANT PeptidesAI is an educational and personal-tracking tool. It is not medical advice, and it is not a substitute for a qualified healthcare professional. Many compounds referenced in the app are not approved by the FDA or equivalent regulators for human use, and in most jurisdictions are classified for laboratory research only. Always consult a qualified healthcare provider. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://peptidesaiapp.com/privacy

About

Protocol

Features
Read full description

Track Your Protocols. Understand Your Health. Protocol brings TRT, peptides, supplements, medications, bloodwork and health trends together in one private app. See what's due today, record what you've taken, and follow how your health information changes over time. Protocol is built for people who manage a regular routine: testosterone or other hormone therapy, peptides, GLP-1 medicines, prescribed medications or a daily supplement stack. If you track more than one thing, or want your doses and lab results in one place, Protocol is for you. TRT AND PEPTIDE TRACKING • Schedule injections, pens, tablets and oral liquids • Log completed or skipped doses with one tap • See the volume and U-100 syringe units for your saved dose and vial • Built-in reconstitution calculator for recorded vial and diluent values • Record injection sites and see which ones you used recently • Follow every dose and protocol change on one timeline SUPPLEMENTS AND MEDICATIONS • Keep everything you take in one list, with schedules and reminders • Calendar and complete dose history • Find protocols quickly with search and filters BLOODWORK AND HEALTH TRENDS • Import lab reports and keep every result organised by marker • See each result beside its previous value and the lab's range • Compare two reports side by side • Health overview of recent changes across bloodwork and health data APPLE HEALTH AND APPLE WATCH With your permission, Protocol shows supported Apple Health data such as resting heart rate, overnight HRV, sleep, steps and body measurements next to your protocol, compared with your own baseline. Check today's protocol on Apple Watch. PROTOCOL PRO Free includes up to three active protocols, scheduling, reminders, dose history, manual health tracking, one bloodwork report import and local backup. Protocol Pro adds unlimited protocols and bloodwork imports, bloodwork trends and report comparison, vial and pen inventory, Apple Health integration, the Apple Watch app, Protocol Insights, estimated exposure graphs, Physiological Response and HRV views, and PDF and CSV exports. Monthly and annual auto-renewable subscriptions are available. PRIVATE BY DESIGN Protocol is local-first and doesn't need an account. You choose which Apple Health data to share. IMPORTANT Protocol helps you record and understand your own health information. It doesn't diagnose, treat or recommend doses. Estimated values, such as exposure graphs and vial inventory, are calculations from what you record, not measured blood levels. Trends show associations, not cause and effect. Always follow the advice of a qualified healthcare professional. Privacy Policy: https://protocollabs.co.za/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PeptidesAI4 screens
Protocol4 screens

Verdict

The call

PeptidesAI and Protocol are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. PeptidesAI sells 4 in-app purchases, starting at $4.99 per 7 days and Protocol sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PeptidesAI ships an update every 9 days, Protocol every 6 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
PeptidesAI versus Protocol: the parameters behind the verdict, then further details
ParameterPeptidesAIProtocol
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 9 daysEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.017.0 — better
Further details — not scored
Size18 MB20 MB
Age rating17+17+
DeveloperJames VuISAK SCHALK BURGER

In-app purchases

4 purchases

PeptidesAI

Subscriptions3
  • Weekly Premium3 Days trial$4.997 Days
  • Monthly Premium$9.991 Month
  • Yearly Premium$49.991 Year
One-time1
  • Lifetime Premium$79.99
2 purchases

Protocol

Subscriptions2
  • Protocol Pro$3.991 Month
  • Protocol Pro14 Days trial$39.991 Year

Questions

Is PeptidesAI free?
PeptidesAI is free to download, with in-app purchases available.
Is Protocol free?
Protocol is free to download, with in-app purchases available.
Do PeptidesAI or Protocol have ads?
Neither PeptidesAI nor Protocol shows ads.
Which is updated more often, PeptidesAI or Protocol?
PeptidesAI ships an update every 9 days, and Protocol every 6 days. Most recently, PeptidesAI was updated on October 25, 2026 and Protocol on October 24, 2026.

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