Comparison

Peptide Log vs PeptideJournal

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

Head to head
About

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.

Highlights
  • Multi-phase protocol tracking
  • Custom peptide blend creation
  • Full inventory management
  • Consumables tracking with alerts
  • Pharmacokinetic concentration curves
  • Injection site rotation
  • Progress photo tracking
Features
Read full description

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/

About

PeptideJournal

This app helps you precisely calculate peptide doses, manage your inventory, and track your usage history. It offers smart scheduling and detailed analytics, all while keeping your data private and secure on your device.

Highlights
  • Precision dose calculation
  • Reconstitution simulation
  • Inventory management
  • Dose history tracking
  • Usage analytics
  • Smart scheduling
  • Calendar integration
Features
Read full description

PeptideJournal — Precision Peptide Dosing, Scheduling, Inventory, and Tracking DESCRIPTION: PeptideJournal is a private, precision tracking app for peptide dosing, inventory, historical dose/data tracking and scheduling. Designed for individuals who value accuracy, consistency, and control, all data stays securely on your device with privacy as a core principle. KEY FEATURES: Precision Dose Calculator – Calculate exact doses with an interactive syringe gauge. Supports mg/mcg conversion with real-time volume calculation based on your vial concentration, plus weight logging. Reconstitution Simulator — Plan your reconstitution before mixing. Calculate concentration and doses based on vial size, BAC water volume, and peptide amount. Flexible Reconstitution – Supports single peptides and multi-peptide blends (combo vials) with precise reconstitution and individual component dose calculations. Inventory Management – Track single vials or combo vials (Blends) with accurate remaining volume and dose counts. Swipe to refill, archive, or repeat doses. Dose Entry History – Comprehensive records with timestamps, injection sites, notes, side effects, and benefits tracking. Usage Analytics – Monitor patterns, weight trends, and usage consistency over time. Dashboard Overview – Quick glance at today's scheduled doses, tomorrow's preview, and low-stock alerts. Smart Scheduling – Create flexible schedules: daily, specific days of week, custom on/off cycles, or every X days intervals. Set multiple doses per day with optional notifications. Tap notification banners to instantly log doses and track adherence. Calendar Integration – Visual calendar with scheduled and logged doses, reminders, and schedule management. Advanced Vial Tracking – Multiple vials of the same peptide are tracked independently for maximum accuracy. Complete Privacy – All data stays local on your device. No account required, no subscriptions, no data collection, no external servers. Import & Export – CSV import/export for backup and data portability. Native iOS Design – Built exclusively for iOS with SwiftUI and SwiftData. PERFECT FOR: Personal record keeping Tracking usage patterns Monitoring inventory levels Maintaining detailed logs Scheduling and adherence tracking Managing complex protocols Secure data management IMPORTANT MEDICAL DISCLAIMER: PeptideJournal is a personal tracking and logging tool only. It does not provide medical advice, diagnosis, or treatment recommendations. Always consult qualified healthcare professionals before making any medical decisions. This app is for personal record-keeping purposes only. PRIVACY & SECURITY: Your personal data never leaves your device. No account required, no subscriptions, no data collection, no external servers. Download PeptideJournal today and start your personal tracking journey with confidence and privacy.

Screenshots

Peptide Log4 screens
PeptideJournal4 screens

Verdict

The call

The clearest difference is price: Peptide Log at Free against PeptideJournal's $5.99. Peptide Log also leads on review sentiment (75% vs 63%). PeptideJournal's advantage is in-app purchases (none vs 2). On rating, ratings volume, update cadence and ads 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

Peptide Log is free to download; PeptideJournal costs $5.99 up front. Peptide Log sells 2 in-app purchases, starting at $8.99 per month. PeptideJournal asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Peptide Log against 4.3 for PeptideJournal. Both are backed by a comparable volume of ratings — 35 and 20 respectively. Written reviews are what separate them: 75% of Peptide Log's written reviews are positive against 63% of PeptideJournal's.

UpkeepUpdate frequency

Peptide Log ships an update every 8 days, PeptideJournal weekly. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
Peptide Log versus PeptideJournal: the parameters behind the verdict, then further details
ParameterPeptide LogPeptideJournal
PriceFree — better$5.99
Rating4.2 (35 ratings)4.3 (20 ratings) — better
Positive reviews75.0% of reviews — better62.5% of reviews
Number of ratings35 — better20
Update frequencyEvery 8 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionPaid — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.6 — better
Further details — not scored
Size60 MB12 MB
Age rating17+17+
DeveloperJohannes von GrundherrChristopher Madrid

Customer experience

Peptide Log

All ratings34 ratings
Positive82.4%
Neutral2.9%
Negative14.7%
Written reviews20 reviews
Positive75.0%
Neutral5.0%
Negative20.0%

PeptideJournal

All ratings20 ratings
Positive80.0%
Neutral5.0%
Negative15.0%
Written reviews8 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

In-app purchases

2 purchases

Peptide Log

Subscriptions2
  • Peptide Log Monthly$8.991 Month
  • Peptide Log Yearly$39.991 Year
None

PeptideJournal

No in-app purchases

Questions

Is Peptide Log free?
Peptide Log is free to download, with in-app purchases available.
Is PeptideJournal free?
PeptideJournal costs $5.99, with no in-app purchases.
Which has better reviews, Peptide Log or PeptideJournal?
PeptideJournal is rated higher. Peptide Log averages 4.2 out of 5 from 35 ratings, while PeptideJournal averages 4.3 from 20 ratings.
Do Peptide Log or PeptideJournal have ads?
Neither Peptide Log nor PeptideJournal shows ads.
Which is updated more often, Peptide Log or PeptideJournal?
Peptide Log ships an update every 8 days, and PeptideJournal weekly. Most recently, Peptide Log was updated on October 2, 2026 and PeptideJournal on October 9, 2026.

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