Peptide Ledger vs Pepwise
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peptide Ledger
This app helps you meticulously log your peptide and GLP-1 research, including doses, vials, and progress, without relying on spreadsheets or subscriptions. It offers tools for reconstitution calculations and private data storage, with an optional Pro version for advanced features.
- Log doses, observations, and milestones
- Track vial inventory, cost, and expiry
- Forecast vial usage and reorder needs
- Reconstitution Solver for calculations
- Private data storage with optional iCloud sync
- Home Screen and Lock Screen widgets
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Track your GLP-1 and peptide research without spreadsheets, scattered notes, or a monthly subscription. Peptide Ledger keeps your plans, doses, vials, reminders, progress, labs, and research context in one private ledger. It shows the important things first, like your next dose, what's left in each vial, and when you'll run out. The full detail is always one tap away. EVERYTHING IN ONE PLACE • Build and follow your own plans • Log doses, observations, check-ins, and milestones in a couple of taps • Track open and sealed vials, lots, concentration, cost, and expiry • See when each vial will run out and when to reorder • Review doses, plan changes, inventory, progress, and labs in Timeline • Import body weight from Apple Health when enabled • Reminders, Home Screen and Lock Screen widgets, and supported Siri actions SIMPLE OR FULL Simple mode keeps it to Now, Vials, and History. Full mode adds plans, forecasting, the Research Library, and deeper records, all with the same clean design. RECONSTITUTION TOOLS Work out concentration, draw volume, and vial-mix references from your own numbers with the Reconstitution Solver. The app does not recommend doses or mixing amounts. PRIVATE BY DESIGN • No account required • Data stored on your device by default • Optional private iCloud backup and sync • App Lock with Face ID, Touch ID, or passcode • No advertising trackers START FREE Try the Research Library, Now, reminders, the Reconstitution Solver, and the core tracking tools before deciding whether you need Pro. PEPTIDE LEDGER PRO Pro is a one-time purchase with no subscription. It unlocks higher tracking limits, unlimited inventory and history, forecasting, progress and lab tools, Vendor Book, advanced insights, widgets, and supported Siri actions. Peptide Ledger is intended for research tracking, reference organization, and personal recordkeeping. It does not provide medical advice, diagnosis, treatment, prescribing, dosing recommendations, or clinical decision support.
Pepwise
This app helps researchers organize peptide protocols, perform calculations, manage inventory, and track observations. It offers features for planning research schedules, calculating amounts, and monitoring vial usage. Data is stored privately and can sync via iCloud, with optional integration with Apple Health.
- Organize peptide protocols with schedules
- Built-in reconstitution and amount calculators
- Track vial inventory and log usage
- Review research history and weight trends
- Optional Apple Health integration
- Private data storage and iCloud sync
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Pepwise is a private research companion for organizing peptide protocols, calculations, inventory, and observations in one place. PLAN YOUR RESEARCH Create structured protocols with schedules, amounts, and start dates. Review upcoming entries in a calendar and keep active research easy to follow. CALCULATE WITH CONFIDENCE Use built-in reconstitution and amount calculators to work from the values you provide. Save commonly used peptides and return to prior configurations without rebuilding them each time. TRACK VIAL INVENTORY Record reconstituted vials, log usage, and monitor estimated remaining volume. Pepwise keeps dose logs and vial adjustments connected so your records stay consistent. REVIEW YOUR HISTORY See logged entries by peptide, protocol, or date. Follow weight trends and optionally read or write weight entries through Apple Health with your permission. PRIVATE BY DESIGN Your Pepwise data stays in your private app storage and can sync through your personal iCloud account. Health access is optional and controlled through Apple Health permissions. Pepwise is an organizational and calculation tool for research recordkeeping. It does not provide medical advice, diagnosis, treatment recommendations, or instructions for human use. Verify all calculations and consult qualified professionals where appropriate.
Screenshots
Verdict
The clearest difference is in-app purchases: Pepwise at none against Peptide Ledger's 1. Pepwise also leads on ratings volume (4 vs 1). On price, rating, 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
Both are free to download. Peptide Ledger sells 1 one-off in-app purchase. Pepwise asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Peptide Ledger against 5.0 for Pepwise. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Peptide Ledger ships an update every 10 days, Pepwise every 9 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.
| Parameter | Peptide Ledger | Pepwise |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 10 days | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 20 MB | 14 MB |
| Age rating | 17+ | 17+ |
| Developer | Kris Emsoff | Wellness Research Supply, LLC |
Customer experience
Peptide Ledger
Pepwise
In-app purchases
Peptide Ledger
- Peptide Ledger Pro$2.99
Pepwise
No in-app purchases









