F4L vs Bio Log Peptide Journal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
F4L
Access fitness programs and track your progress with this health and fitness application. Features include offline synchronization and personalized content. Manage your subscription easily through your account settings.
- Progress tracking
- Offline sync
- Subscription access
- Personalized content
- Account management
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Fitness the natural way. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of F4L is free of charge. No free trial offered. Should you use F4L app to access in-app content via available subscription(s), a payment will be charged to your credit card through your App Store account . A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy
Bio Log Peptide Journal
This app provides a private journal for tracking peptides, compounds, and related health data. It helps organize schedules, vial notes, labs, and progress with AI-powered insights. It is for personal tracking and informational purposes only.
- Peptide and compound tracking
- Dose logs and history
- Schedule reminders
- Vial and inventory notes
- Side effect tracking
- Lab and biomarker logging
- Progress photos and notes
- AI summaries and insights
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Bio Lab is a private peptide journal for people who want a clean way to track profiles, schedules, vial notes, reminders, labs, photos, side effects, and progress. Bio Log Membership is $3.99/month and unlocks the full app, including Bio Log AI. Use Bio Lab to track: - Peptides and compounds - Dose logs and history - Schedule reminders - Vial, lot, source, and inventory notes - Reconstitution notes and manual draw notes - Injection or usage sites - Side effects and symptoms - Labs and biomarkers - Progress photos and notes - AI summaries and insights from your own entries Bio Log AI can help organize your records, summarize logs, turn messy notes into clearer entries, explain app data in plain English, and help you review patterns in your journal. Bio Lab is for personal tracking, organization, and informational purposes only. It does not provide medical advice, diagnosis, treatment, dosing instructions, recommendations, peptide sourcing, or advice about what to take. AI-generated content may be incomplete or inaccurate and should not be used as medical guidance. Always consult a qualified healthcare professional before making decisions about medications, peptides, supplements, or research compounds. Subscription: Bio Log Membership Monthly is an auto-renewable monthly subscription for $3.99/month. It unlocks all app features, including peptide tracking, reminders, labs, inventory, photos, insights, and AI. Payment is charged to your Apple ID and renews monthly until canceled. You can manage or cancel anytime in App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://biolog-ai-backend.vercel.app/api/privacy
Screenshots
Verdict
The clearest difference is monetization model: F4L at free with in-app purchases against Bio Log Peptide Journal's subscription. F4L also leads on device support (3 vs 1) and ratings volume (6 vs 2). Bio Log Peptide Journal's advantage is ads (none vs shown). On price, rating and in-app purchases 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. F4L sells 1 in-app purchase, starting at $15.00 per month and Bio Log Peptide Journal sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for F4L against 5.0 for Bio Log Peptide Journal. Both are backed by a comparable volume of ratings — 6 and 2 respectively.
| Parameter | F4L | Bio Log Peptide Journal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 2 |
| Update frequency | — | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 4 MB |
| Age rating | 4+ | 12+ |
| Developer | BAYLOR CONDE | alexander rieger |
Customer experience
F4L
Bio Log Peptide Journal
In-app purchases
F4L
- Fit 4 Life | All Access$15.001 Month
Bio Log Peptide Journal
- Bio Log Membership$3.991 Month
Questions
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Is Bio Log Peptide Journal free?
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