Comparison

PepTracker vs Protocol

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

Head to head
About

PepTracker

This app helps users meticulously track peptide and GLP-1 medication doses. It allows for the creation of structured protocols, scheduling of injections, and calculation of precise syringe volumes. Users can monitor progress over time and receive reminders for upcoming doses.

Highlights
  • Log injection doses
  • Build peptide/GLP-1 protocols
  • Built-in dose calculator
  • Schedule reminders
  • Track progress metrics
  • Export logs
Features
Read full description

The peptide tracker built for people who run real protocols. Track semaglutide, tirzepatide, retatrutide, BPC-157, TB-500, TRT and more, all in one place. Log every injection, get reminded before you miss one, and see how much is left in every vial. Then let PepGuide set up your next protocol in one message, and PepPulse sum up how your week really went. MEET PEPGUIDE: YOUR AI PROTOCOL ASSISTANT • Build a protocol from one sentence, like "Retatrutide 2.5 mg every Sunday" • Ask about your own logs: "How consistent was I with BPC-157 this month?" • Ask general questions about peptides, by text or photo • Pick up any earlier conversation from your chat history MEET PEPPULSE: YOUR STACK, SUMMED UP • A clear AI summary of your week • Dose consistency for every compound in your stack • Symptom, mood and energy trends from your check-ins • Apple Health vitals alongside your protocols NEVER MISS A DOSE • Log each dose in seconds, with notes, exactly as your provider instructed • Daily, twice-daily, weekly, twice-weekly, monthly and custom schedules • Due, upcoming and missed-dose reminders • Vial supply tracking with doses left, days left, and a refill reminder before you run out • Apple Calendar and Google Calendar sync BUILT FOR SERIOUS STACKS • Run multiple compounds in one stacked protocol • Cycling, every-other-day and every-X-days schedules • Starter and advanced protocol templates • A built-in peptide library • A full calendar with month and hour-by-hour week views, plus protocol history and restore SEE YOUR PROGRESS • Weight, body fat, lean body mass and six body measurements • Weight, adherence and body fat goals • Two-way Apple Health sync for weight, body fat and waist • Full history and CSV export START FREE The free plan includes up to 3 protocols, dose logging, reminders, vial supply tracking, calendar sync, the peptide library, and 30 days of weight history. GO PREMIUM Premium unlocks PepGuide and PepPulse with a monthly AI allowance (optional top-ups available), unlimited protocols, stacking, advanced schedules and templates, the full calendar, mood and energy check-ins, body fat and body measurements, editing past entries, full history and exports, and Apple Health integration. Try Premium free for 7 days with the annual plan. Terms of Service: https://peptracker.app/terms-of-service Privacy Policy: https://peptracker.app/privacy-policy MEDICAL DISCLAIMER PepTracker is for informational and tracking purposes only. It does not provide medical advice, diagnosis or treatment, and it does not calculate or recommend doses. AI features help you review and organize your own information. Supply estimates depend on the information you enter and should be independently verified. Consult a qualified healthcare professional before starting, changing or stopping any medication, peptide or treatment protocol.

About

Protocol

Track nutrition, training, sleep, and more in one adaptive system. Scan meals for instant macro breakdowns, build custom workouts, and monitor progress with data-driven insights. Features AI and human coaching options for personalized guidance.

Highlights
  • Meal scanning for instant macro analysis
  • Customizable training plan generation
  • Holistic tracking of nutrition, training, sleep, and steps
  • AI-powered coaching and insights
  • Optional human coaching integration
  • Seven specialized fitness archetypes
Features
Read full description

Protocol is an adaptive fitness system for nutrition, training, fasting, body composition, and accountability. A Protocol Operator subscription is required to use the app. Protocol exists to remove excuses by replacing motivation with structure. It treats the body as a system that adapts to conditions, not emotions. The app is not a motivator, diary, or game. It is a compliance engine that records reality, reinforces constraints, and helps you operate the system long enough for results to compound. Scan meals. Generate workouts. Track lifts, macros, fasting, sleep, steps, weight, and weekly progress in one system that learns how you eat, move, train, and recover. Built for consistency over motivation, Protocol gives you structure without guilt mechanics, streak pressure, or noisy dashboards. Just clear targets, adaptive feedback, and tools that keep your plan moving. MEAL LOGGING Log food with a photo, text, barcode, or saved meal. Protocol estimates calories and macros in seconds, then lets you edit every entry by ingredient or macro. Save meal preps, relog common meals, and use verified local food data for faster, cleaner tracking. TRAINING Build custom training plans across strength, hypertrophy, conditioning, endurance, and performance. Choose 2–7 day splits, target specific muscle groups, log sets and rest times, swap exercises, save templates, and track progressive overload, volume, density, and personal records over time. BODY + HEALTH DATA With Apple Health permission, Protocol uses steps, workouts, weight, sleep, and activity data to help estimate your real energy needs. Track weight trends, body composition scans, compliance patterns, and weekly changes without turning your health into a scorecard. AI COACH Protocol's AI coach uses your logged nutrition, training, compliance, and progress context to give more relevant answers. Ask questions, generate workouts, review patterns, and adjust your plan with guidance based on your actual data, not generic advice. HUMAN COACHING Sentinel connects you with a real coach inside Protocol. Your coach can review your training, nutrition, and body composition context, adjust programming, update macros, and communicate through built-in chat. No scattered spreadsheets. No third-party messaging. One system. BUILT TO KEEP YOU ON TRACK Daily reviews take seconds. Weekly audits surface patterns you might miss. Intelligent reminders help redirect your attention when meals, training, fasting, or check-ins fall behind. Protocol is not just a tracker. It is a structured operating system for staying consistent. SUBSCRIPTION Protocol is free to download. Using the app requires a Protocol Operator subscription, which unlocks every feature. Choose monthly or annual billing. • Payment is charged to your Apple ID account when you confirm the purchase. • Your subscription renews automatically unless you cancel at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours before the end of the current period, at the same price and billing period. • Manage or cancel anytime in your Apple ID Account Settings. • Prices are shown in the app before purchase and may vary by country or region. Coaching with a human coach through Sentinel is a separate subscription, priced by the coach and shown before you subscribe. Privacy Policy: https://protocolapp.ai/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

PepTracker4 screens
Protocol4 screens

Verdict

The call

The clearest difference is update cadence: Protocol at every 3 days against PepTracker's every 3 weeks. Protocol also leads on review sentiment (100% vs 78%) and rating (5.0 vs 4.7). PepTracker's advantage is ratings volume (469 vs 6). 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. PepTracker sells 8 in-app purchases, starting at $7.99 per month and Protocol sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Protocol holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PepTracker has 469 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 78% of PepTracker's written reviews are positive against 100% of Protocol's.

UpkeepUpdate frequency

PepTracker ships an update every 3 weeks, Protocol every 3 days. Both last shipped on November 5, 2026.

Scorecard4 real differences · 6 level
PepTracker versus Protocol: the parameters behind the verdict, then further details
ParameterPepTrackerProtocol
PriceFreeFree
Rating4.7 (469 ratings)5.0 (6 ratings) — better
Positive reviews78.1% of reviews100.0% of reviews — better
Number of ratings469 — better6
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS1818.0
Further details — not scored
Size20 MB26 MB
Age rating17+17+
DeveloperJayven Alan Villagomez PeredoRizfel Kei Tolentino

Customer experience

PepTracker

All ratings468 ratings
Positive93.8%
Neutral2.4%
Negative3.8%
Written reviews64 reviews
Positive78.1%
Neutral6.3%
Negative15.6%

Protocol

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

PepTracker

Reported bugs

1 issue
  • Units function not working

Requested features

2 requests
  • Support for more units of measurement
  • Ability to track more than 2 protocols

Protocol

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

PepTracker

Subscriptions3
  • Monthly$7.991 Month
  • Yearly1 Year trial$47.991 Year
  • Yeary7 Days trial$47.991 Year
One-time5
  • Small$2.99
  • Standard$6.99
  • Power User$14.99
Show 2 more
  • Premium Lifetime$79.99
  • Premium Lifetime$99.00
2 purchases

Protocol

Subscriptions2
  • Protocol Elite$14.991 Month
  • Protocol Elite Annual$79.991 Year

Questions

Is PepTracker free?
PepTracker is free to download, with in-app purchases available.
Is Protocol free?
Protocol is free to download, with in-app purchases available.
Which has better reviews, PepTracker or Protocol?
Protocol is rated higher. PepTracker averages 4.7 out of 5 from 469 ratings, while Protocol averages 5.0 from 6 ratings.
Do PepTracker or Protocol have ads?
Neither PepTracker nor Protocol shows ads.
Which is updated more often, PepTracker or Protocol?
PepTracker ships an update every 3 weeks, and Protocol every 3 days. Most recently, PepTracker was updated on November 5, 2026 and Protocol on November 5, 2026.

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