Comparison

Pep AI vs Loop Coach

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

Head to head
About

Pep AI

This app helps you meticulously track peptide research, including inventory, logs, nutrition, wellness, and notes. It replaces scattered data with an organized, private system for consistency and offers features like injection site tracking, side effect logging, and AI-powered meal scanning.

Highlights
  • Inventory & Organization
  • Injection Site Tracker
  • Side Effects Tracking
  • Nutrition Logging
  • Meal Scanner
  • Apple Health Integration
  • Bloodwork Tracker
  • AI Insights
Features
Read full description

Pep AI is the GLP-1 and Peptide tracker for shots, nutrition, side effects, weight, wellness, and everything in between. Use Pep AI for Zepbound®, Wegovy®, Ozempic®, Mounjaro®, Foundayo®, semaglutide, tirzepatide, oral GLP-1s, peptides, and weekly injection routines. GLP-1 and Peptide tracking shouldn’t mean scattered notes, forgotten injection sites, missed protein goals, and trying to remember how you felt after your last dose. Pep AI brings your routine together so you can stay consistent and understand your progress over time. NEW IN PEP AI 4.0 • A completely redesigned app: new Home, Dose and Progress screens • Arlo, your companion, with friendlier reminders that fit your day • Home Screen widgets, Live Activities and a redesigned Apple Watch app • Community groups to share progress with others on the same journey • In-app Help articles for every feature TRACK SHOTS, DOSES AND INJECTION SITES • Log GLP-1 and Peptide shots and doses • Give each medication its own dose schedule and reminder times • Track dose timing and history • Rotate injection sites with an interactive body map • Organize vial inventory and photos FOOD, PROTEIN AND WATER • Track calories, protein, carbs, fat and fiber • Quick Log, saved meals and photo meal scans for estimated macros • Log water and track hydration goals • View nutrition and hydration trends • Sync activity data with Apple Health SIDE EFFECTS AND WELLNESS • Log nausea, fatigue, appetite changes and other symptoms • Track symptom timing and severity • Connect symptoms with your dose history • Log energy and mood • Track sleep duration and quality PROGRESS • Track weight and trends over time • Add progress photos • Complete daily wellness check-ins • View your routine in a daily timeline • Earn achievements for staying consistent INSIGHTS AND REPORTS • View your tracking data in one dashboard • See patterns across nutrition, hydration, sleep, side effects and progress • View estimated medication levels and timing • Generate PDF reports to review with your healthcare provider ARLO Ask general educational questions about peptides and GLP-1s directly inside the app. WHY PEP AI Pep AI is built specifically for peptide and GLP-1 routines, giving you one simple place to stay organized and follow your progress. Pep AI is designed for tracking, organization and educational purposes only. It does not provide medical advice, diagnose conditions, recommend treatments or provide dosing instructions. Always consult your healthcare provider about medications, dosing, side effects or health concerns. A paid subscription is required to access Pep AI's tracking features. Your data is stored securely and synced to your account. We do not sell your personal data. Support: support@pepaiapp.com Privacy: https://pepaiapp.com/privacy Terms: https://pepaiapp.com/terms

About

Loop Coach

Features
Read full description

Loop Coach is your personal AI-powered fitness coach that combines personalized training programs, nutrition guidance, and progress tracking in one app. Loop Coach requires a Loop Pro subscription to access its features. Loop Pro is an auto-renewable subscription — €49.99/month or €299.99/year. The subscription includes: AI coaching, sport-specific training programs, auto-progressing workouts, personalized nutrition targets with meal tracking, and progress tools. Train Smarter Choose from 8 sport-specific disciplines including bodybuilding, HYROX, CrossFit, running, triathlon, calisthenics, and hybrid training. Get auto-progressing workouts with detailed exercise guidance, form tips, and set-by-set logging. Your coach adapts your plan based on your progress and goals. Eat Right Stop guessing on calories and macros. Log meals by scanning with your camera, get personalized calorie and protein targets, track hydration, and receive meal ideas tailored to your dietary preferences. Your AI coach answers nutrition questions and helps you stay consistent. Track Progress Capture body composition with progress photos and weekly check-ins. Loop Coach uses AI physique analysis to estimate body fat and identify training priorities. Watch your weight trend chart and see your AI-projected potential—motivation to stay the course. AI Coach Always Available Ask your coach about training swaps, injuries, stalled progress, meal planning, or anything in between. Get personalized guidance 24/7 without a subscription to a human coach. Sync with Apple Health Your workouts, weight, and activity data sync seamlessly with Apple Health. Log workouts on your Apple Watch and see them appear instantly in Loop Coach. Full integration for a unified health dashboard. Supplements Made Simple Get a personalized supplement stack based on your goal (muscle building, fat loss, or recomposition). Learn why each supplement matters and when to take it. Toggle them off as you complete each dose. Loop Pro Unlock Everything Subscribe to access full AI coaching, all training programs, complete nutrition features, progress tracking, and more. Try free for 3 days after onboarding. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Pep AI4 screens
Loop Coach4 screens

Verdict

The call

The clearest difference is ads: Loop Coach at none against Pep AI's shown. Pep AI's advantage is update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement 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. Pep AI sells 16 in-app purchases, starting at $3.99 per 7 days and Loop Coach sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Pep AI ships an update weekly, Loop Coach monthly. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 8 level
Pep AI versus Loop Coach: the parameters behind the verdict, then further details
ParameterPep AILoop Coach
PriceFreeFree
Rating4.7 (3.8K ratings) — better—
Positive reviews38.2% of reviews—
Number of ratings3.8K — better—
Update frequencyWeekly — betterMonthly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size142 MB37 MB
Age rating17+4+
DeveloperZode Development LLCAntonella Maria Lasalandra

In-app purchases

16 purchases

Pep AI

Subscriptions16
  • Pep Week Updated$3.997 Days
  • Pep AI Monthly2 variants$9.991 Month
  • Pep Month Updated4 variants$9.991 Month
Show 13 more
  • Pep AI Yearly Discount$19.991 Year
  • Pep AI Yearly$19.991 Year
  • Pep AI Yearly3 Days trial$24.991 Year
  • Pep Discount Updated$29.991 Year
  • Pep AI Yearly3 Days trial$29.991 Year
  • Pep AI Yearly$29.991 Year
  • Pep Year Updated$29.991 Year
  • Pep Year Updated$34.991 Year
  • Pep Year Updated$39.991 Year
  • Pep Year Updated3 Days trial$39.991 Year
  • Pep Year Updated3 Days trial$44.991 Year
  • Pep Year Subscription3 Days trial$49.991 Year
  • Pep Year Subscription3 Days trial$59.991 Year
2 purchases

Loop Coach

Subscriptions2
  • Pro Monthly$12.991 Month
  • Pro Annual$44.991 Year

Questions

Is Pep AI free?
Pep AI is free to download, with in-app purchases available.
Is Loop Coach free?
Loop Coach is free to download, with in-app purchases available.
Do Pep AI or Loop Coach have ads?
Pep AI shows ads; Loop Coach does not.
Which is updated more often, Pep AI or Loop Coach?
Pep AI ships an update weekly, and Loop Coach monthly. Most recently, Pep AI was updated on October 18, 2026 and Loop Coach on October 16, 2026.

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