Peptide Log vs prtcl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peptide Log
Manage your peptide treatment plan with this app. Track injections, monitor progress, manage inventory, and visualize your treatment with advanced features. It offers a free trial before requiring a subscription.
- Multi-phase protocol tracking
- Custom peptide blend creation
- Full inventory management
- Consumables tracking with alerts
- Pharmacokinetic concentration curves
- Injection site rotation
- Progress photo tracking
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Stay on track with your prescribed peptide treatment plan with Peptide Log, a comprehensive tracking solution for managing injections, monitoring progress, and tracking inventory. A subscription is required for access after the 7 day commitment free trial. IMPORTANT: This app is for personal tracking purposes ONLY. It does not provide medical advice. Always consult your healthcare provider regarding your treatment plan. - Advanced multi-phase protocols with automatic titration, maintenance, and tapering - Create custom peptide blends with personalized ratios - Full inventory management: vials, pens, pill bottles, batches, expiry dates, and remaining volumes - Track consumables: syringes, pen needles, alcohol swabs, and diluents with low-stock alerts - Interactive home screen widgets showing doses and live concentration charts - Pharmacokinetic concentration curves visualizing peptide levels over time - Track multiple people with separate profiles sharing the same inventory - Procurement tracking: orders, vendors, tracking numbers, and delivery status - Support for injectable, oral, and nasal dosing routes - Smart injection site rotation with color-coded safety indicators - Log side effects with severity tracking and injection correlations - Capture progress photos and track your visual transformation - Flexible cyclical dosing with customizable on/off periods - Sync weight with Apple Health and back up securely with iCloud Made with love in Bavaria Privacy Policy: https://gist.github.com/Johannes-ece/f1fc243016da98c1ee977145755f0f29 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
prtcl
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Your health protocols and measurements, together. Make a protocol your own, follow your daily steps, and track the measurements that matter to you. Keep your routines, running times, weight, sleep and photo records in one place. Built for people who like to measure things, prtcl gives you a practical logbook for biohacking, fitness and everyday health routines. Make a protocol your own Choose a template or build a protocol from scratch. Keep the steps that fit, drop the ones that don't, and add your own. Set targets and schedules as your routine changes. Know what's on today Follow your scheduled steps in one daily log. Tick off a task, enter a measurement or record a tally. Weighted adherence scores help you see how consistently you follow your plan. Connect the dots Explore correlations between your protocol steps and your markers. See how your routine relates to changes in your measurements and find patterns worth investigating. Correlations show associations, not proof of cause. Track what matters to you Log weight, sleep, running times and custom measurements. Record subjective markers such as energy or mood, and review your history in charts. Keep photo markers alongside your numbers with timeline, comparison and overlay views. Bring your records with you Import a .prtcl or JSON protocol file and customise it. Save a backup of your records and photos, export tracking data as CSV, and restore from a backup. Start free Try your first protocols, daily logging and your first confirmed pattern before subscribing. prtcl Pro shows every pattern after your first, and adds unlimited protocol adoptions, custom protocols and steps, plus 30-, 60- and 90-day adherence views. Some features shown in screenshots require Pro. Subscription prices and any available offers are shown in the app before purchase. Your tracking records are stored on your device. No prtcl account is required. Subscriptions use RevenueCat and the platform's app store. See the privacy policy for details about optional health connections and other services. prtcl is a tracking tool, not a medical device. It does not diagnose conditions or recommend treatments. Use it to keep records and discuss questions with a qualified health professional. Terms of Use: https://rasena.co.uk/prtcl/terms-of-service.html Privacy Policy: https://rasena.co.uk/prtcl/privacy-policy.html
Screenshots
Verdict
The clearest difference is iOS requirement: prtcl at 15.0 against Peptide Log's 18.6. On price, update cadence, ads 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. Peptide Log sells 2 in-app purchases, starting at $8.99 per month and prtcl sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
Peptide Log ships an update every 8 days, prtcl every 2 weeks. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.
| Parameter | Peptide Log | prtcl |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (35 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 35 — better | — |
| Update frequency | Every 8 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | Johannes von Grundherr | Dafydd Llwyd |
In-app purchases
Peptide Log
- Peptide Log Monthly$8.991 Month
- Peptide Log Yearly$39.991 Year
prtcl
- prtcl Pro7 Days trial$7.991 Month
- prtcl Pro7 Days trial$59.991 Year









