4 vs Pep AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4
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Welcome to 4:13 member app! Users will be able to: · View/edit their personal information · View club information · Add or remove payment information on file · View and send statements · View and send check-in history · View current packages on file or purchase new packages · Pay off their full bill amount · Pay and register into a program/class · Receive push notifications
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.
- Inventory & Organization
- Injection Site Tracker
- Side Effects Tracking
- Nutrition Logging
- Meal Scanner
- Apple Health Integration
- Bloodwork Tracker
- AI Insights
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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
Screenshots
Verdict
The clearest difference is in-app purchases: 4 at none against Pep AI's 20. 4 also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). On price 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
Both are free to download. Pep AI sells 16 in-app purchases, starting at $3.99 per 7 days. 4 asks for nothing beyond the download.
| Parameter | 4 | Pep AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3.8K ratings) — better |
| Positive reviews | — | 38.2% of reviews |
| Number of ratings | — | 3.8K — better |
| Update frequency | — | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 37 MB | 142 MB |
| Age rating | 4+ | 17+ |
| Developer | 4:13 Fitness Center | Zode Development LLC |
In-app purchases
4
No in-app purchases
Pep AI
- Pep Week Updated$3.997 Days
- Pep AI Monthly2 variants$9.991 Month
- Pep Month Updated4 variants$9.991 Month
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- 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









