Baseline vs Bio Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Baseline
This app helps you conduct personal research on health protocols by tracking your progress and analyzing results. It allows you to set hypotheses, log daily check-ins, and view clear reports comparing your baseline to active phases. Designed for privacy, all data is stored locally on your device.
- Personal research journal
- Hypothesis setting
- Daily check-ins
- Baseline and active phase tracking
- Trial reports with trend lines
- Local-first data storage
- CSV data export
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Baseline — Know What’s Actually Working Baseline is a personal research journal for people running peptide protocols. It is not a dose calculator, not a social network, and not a medical app. It is a simple tool for answering one question honestly: is this working for me? How it works 1. Write a hypothesis State what you think will change, in your own words. 2. Measure your baseline Log 3–10 days of daily check-ins before you start, using the measures that matter to you, such as pain, energy, sleep, mood, mobility, libido, mental clarity, or recovery. 3. Run the active phase Continue daily check-ins for 14–56 days. Log doses and note confounders like sleep, stress, and travel. 4. Read your trial report See a side-by-side comparison of your baseline and active averages for every measure, with trend lines and a plain-English summary you can screenshot and share. Why Baseline is different Calm and honest No hype, no claims. Baseline never tells you something is working. It helps you find out. Local-first and private Every check-in, dose, and photo stays on your device. No accounts. No cloud sync. No analytics on your health data. Built around the report Every screen in Baseline is designed to help you create one clear, trustworthy trial report at the end. Baseline Pro A single subscription unlocks the full research toolkit: Unlimited concurrent experiments CSV export of raw data Photo attachments for check-ins Up to 12 measures per experiment Custom measures beyond the built-in defaults Available monthly or yearly. Cancel anytime in your Apple ID subscription settings. Baseline does not diagnose, treat, or recommend. It is not a substitute for medical care. Consult a qualified healthcare professional before starting or changing any protocol. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Bio Log
This app helps you meticulously track peptide doses, vial details, and personal notes in a centralized journal. It offers features for logging entries, managing injection sites, and reviewing historical data. Optional AI assistance can help organize notes and generate summaries.
- Dose and vial tracking
- Injection site mapping
- Journaling with notes
- History search and filtering
- Vial inventory management
- AI-powered summaries
- Data export
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Keep your peptide records clear, organized, and easy to review. Bio Log brings your schedules, dose entries, vial details, and personal notes into one focused journal. SEE YOUR DAY View scheduled entries and what you’ve already recorded. Keep reminders connected to the profiles you create. LOG WHAT HAPPENED Record an entry as taken or skipped. Add the amount, time, injection site, and notes you want to keep. Review your entry before saving. Choose a recorded injection site on the front-and-back body map and see which sites appear in your recent history. FIND YOUR HISTORY Search your journal by peptide or note. Filter taken and skipped entries, review earlier records, and make corrections when needed. Remove profiles from your active library without losing their history. Restore them from Archived whenever you need them. KEEP VIAL DETAILS TOGETHER Save vial amounts, lot information, and storage notes. See remaining inventory estimates based on your saved records. ADD CONTEXT Keep symptoms, lab results, and progress photos alongside your tracking. Review summaries of your own entries. BIO LOG AI Ask questions about your journal, organize notes, and review optional AI summaries in a clean conversation view. Draft logs remain yours to review and confirm before saving. YOUR RECORDS, YOUR CONTROL Journal records are stored on your device. Export your tracking records when you need them. Optional AI features use an online service with your permission. MEMBERSHIP Download Bio Log to explore the demo. Personal tracking and the full feature set require an auto-renewing monthly Bio Log Membership. Payment is charged to your Apple Account. Your subscription renews automatically unless canceled at least 24 hours before the current period ends. Manage or cancel your subscription in App Store account settings. Bio Log is for personal tracking and organization. It does not provide medical advice, diagnosis, treatment, dosing instructions, peptide recommendations, or sourcing advice. Consult a qualified healthcare professional before making medical decisions. AI-generated summaries may be incomplete or inaccurate. 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 iOS requirement: Baseline at 15.1 against Bio Log's 17.0. On price, rating, ratings volume and update cadence 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. Baseline sells 2 in-app purchases, starting at $4.99 per month and Bio Log 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 Baseline against 5.0 for Bio Log. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Baseline ships an update weekly, Bio Log every 2 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.
| Parameter | Baseline | Bio Log |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 37 MB | 5 MB |
| Age rating | 12+ | 17+ |
| Developer | Jules Martin | alexander rieger |
In-app purchases
Baseline
- Baseline Pro Monthly$4.991 Month
- Baseline Pro Yearly$39.991 Year
Bio Log
- Bio Log Membership$3.991 Month
Questions
Is Baseline free?
Is Bio Log free?
Which has better reviews, Baseline or Bio Log?
Do Baseline or Bio Log have ads?
Which is updated more often, Baseline or Bio Log?
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