PeptideFox vs Doserly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PeptideFox
This app simplifies peptide math and tracking for users managing peptide protocols. It calculates precise dosages, logs daily injections, and helps build custom protocols. Manage vial inventory and track multiple peptides simultaneously for optimal results.
- Reconstitution calculator
- Daily dose and injection log
- Custom protocol management
- Vial inventory tracking
- Supports various peptide compounds
- Private and secure data storage
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RECONSTITUTION CALCULATOR — MATH-FREE Simply enter your vial size and desired dose. The calculator solves the optimal amount of BAC water and gives you the exact syringe draw. Supports mg, mcg, IU, and all standard insulin syringe formats. No more guessing your reconstitution math. DAILY DOSE TRACKER & INJECTION LOG Log every injection by time of day — waking, morning, evening, bedtime. Mark doses complete with one tap. See your full dosing history and protocol at a glance. Never miss a dose again. PROTOCOL MANAGEMENT & PEPTIDE STACK BUILDER Build custom protocols for any compound. Set frequency, duration, and dosing schedule. Track multiple peptides simultaneously and manage your full peptide stack without confusion. VIAL INVENTORY Know exactly how many doses remain in each vial. Track reconstitution dates, keep multiple vials per compound, and switch to a fresh vial without losing count. Never waste a vial again. WORKS WITH EVERY PEPTIDE & GLP-1 COMPOUND Whether you're managing a GLP-1 protocol, peptide cocktails like GLOW or KLOW, or a full biohacker peptide stack, compound-aware support is built in. BUILT FOR THE PEPTIDE COMMUNITY PeptideFox understands the real-life scenarios of compound reconstitution, injection tracking, and managing multiple vials and supply — the calculator, tracker, and inventory all work from the same data, so nothing needs entering twice. PRIVATE & SECURE All data stays on your device. No account required. No cloud. No trackigs to you. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/
Doserly
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Track medications, supplements, peptides, labs, symptoms, and supply inventory in one place. Doserly Free includes core medication tracking; Doserly Pro is an optional paid subscription for expanded domains, advanced insights, AI reports, household profiles, and protocol tools. Built for routines too complex for basic reminder apps: see what is due, log what you take, and keep clear records for your healthcare conversations. FREE PLAN INCLUDED Doserly Free includes up to 3 medication items, schedules and reminders, one-tap logging, adherence history, labs and biomarkers, symptoms and wellness notes, up to 3 inventory items with expiry and low-stock tracking, offline access, and secure sync. Free includes the Peptide Reconstitution Calculator, Peptide Draw Volume Calculator and Unit Converter. Calculators perform arithmetic on your entered values and do not recommend doses. Free also includes the Injection Site Rotation Tracker, Travel Planner, and the offline medication interaction reference report. DOSERLY PRO SUBSCRIPTION - SEPARATE PURCHASE REQUIRED Doserly Pro requires a paid subscription; review current options and price in the app. Pro unlocks unlimited medication and health item tracking; supplement, peptide, TRT/HRT, and performance domains; protocol planning and phase management; interaction reference checks across all tracked domains; custom charts and advanced insights; peak serum level estimates; AI health reports and history; multiple profiles for family or pets; and advanced inventory (unlimited items, shared inventory, batch add). TRAVEL PLANNER Plan multi-stop trips and compare keeping your timing, using the destination clock, or adjusting gradually. Informational reference only. INTERACTION CHECKS Review your stack against built-in reference data, even offline. Findings are ranked by what may be worth discussing, and anything not assessed is listed. Educational information only, not medical advice; references may not include every interaction that matters for you. Discuss findings with your pharmacist or healthcare practitioner. Free covers medications; Pro covers all domains. WEARABLES With your permission, import available sleep, heart rate, resting heart rate, steps, and paired blood pressure records from Apple Health on your iPhone. Imports are read-only and belong to the primary account owner. You choose the categories and separately consent to syncing them to your Doserly account. Doserly does not measure these values or provide a watch app. AI-ENHANCED REPORTS - PRO SUBSCRIPTION REQUIRED AI-enhanced summaries describe your recorded logs, labs, symptoms, adherence, and inventory. Reports need internet, your permission for third-party processing, enough history, and an available allowance. Save a report as a PDF to share. FOR YOUR HOUSEHOLD - PRO SUBSCRIPTION REQUIRED Separate profiles for yourself, family members, or pets, each with its own schedule, inventory, and history. SECURE BY DESIGN Records live in an encrypted on-device database and work offline. Lock the app with App Lock using Face ID, Touch ID, or your passcode, and turn on two-factor sign-in with an authenticator app. Export your data or delete your account from Settings. Sync, purchases, and AI reports need internet. Doserly is for adults 18 and older. It is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Calculators perform arithmetic on the values you enter and do not recommend doses. Reminders, charts, calculations, interaction information, and AI reports can be incomplete or incorrect. Consult a qualified healthcare professional before making medical decisions or changing treatment. Doserly is not an emergency service. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Doserly Terms of Service: https://doserly.com/app/terms Privacy Policy: https://doserly.com/app/privacy ‘Powered by fatsecret nutrition API’ (www.fatsecret.com)
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Verdict
The clearest difference is update cadence: PeptideFox at weekly against Doserly's every 2 weeks. On price, ads, in-app purchases and device support 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. PeptideFox sells 2 in-app purchases, starting at $2.99 per month and Doserly sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
PeptideFox ships an update weekly, Doserly every 2 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | PeptideFox | Doserly |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 14 MB | 114 MB |
| Age rating | 17+ | 17+ |
| Developer | HZ29 Inc. | Viking Media Labs Inc. |
In-app purchases
PeptideFox
- Pro Monthly3 Days trial$2.991 Month
- Pro Yearly3 Days trial$19.991 Year
Doserly
- Doserly Pro - Monthly$4.991 Month
- Doserly Pro - Yearly$29.991 Year









