Comparison

Monarch Prime Pin vs Peptide Calc & Tracker

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

Head to head
About

Monarch Prime Pin

This app helps users meticulously organize research logs, track site usage, and monitor progress with manual entry and visual analytics. It provides a clean dashboard for managing notes, history, and reminders, emphasizing local data management for privacy. Designed solely for research recordkeeping, it does not offer medical advice or dosage recommendations.

Highlights
  • Manual research log entry
  • Injection site rotation tracking
  • Site heatmap and usage history
  • Calendar and log history views
  • Weekly activity analytics
  • Progress photo support
Features
Read full description

Monarch Prime Pin is a manual research tracking app designed to help users organize research logs, site rotation, progress notes, and history in one clean dashboard. The app allows users to manually record research entries, track site usage, review log history, monitor weekly activity, and manage reminders. Key features: • Manual research log entry • Injection site rotation tracking • Site heatmap and usage history • Calendar and log history views • Weekly activity analytics • Progress photo support • Local data management • Research-use disclaimer and legal information Monarch Prime Pin does not calculate, recommend, prescribe, or suggest dosages. The app does not provide titration schedules, treatment guidance, medical advice, diagnosis, or therapeutic recommendations. All entries are manually entered by the user. For research recordkeeping only. Not for human consumption.

About

Peptide Calc & Tracker

Features
Read full description

Dosyne is a private, on-device reconstitution calculator and record-keeping logbook for people who already use peptides and GLP-1s. It converts the numbers you enter and keeps your personal log tidy. It never tells you what to take. RECONSTITUTION CALCULATOR Stop guessing syringe math. Enter the peptide amount in your vial (mg) and the bacteriostatic water you added (mL), then enter the dose you have already decided on. Dosyne converts it into the number of units to draw on a U-100 insulin syringe. It is a unit conversion of the values you type — not a recommendation. DOSE LOG Record every dose in seconds and keep an accurate personal history that stays on your device forever. Track how many doses are left in a vial. REMINDERS Optional reminders help you stay consistent. They show the compound name only, never the amount. INJECTION-SITE BODY MAP Tap a spot on the body map to record where each dose went and see your rotation at a glance — abdomen, thighs, arms, and more. CYCLE PLANNER Map your own on and off weeks for each compound and see your schedule on a calendar — no spreadsheet required. PEPTIDE LIBRARY A clean, descriptive reference for popular peptides and GLP-1s — BPC-157, TB-500, GH peptides, semaglutide and more. What each one is, storage notes, and a reconstitution math example. Descriptive only. APPLE HEALTH Optionally read your weight locally to chart your progress. Nothing health-related leaves your device. PRIVATE BY DESIGN No account. No server. No tracking. Your log stays on your device, and the calculator works fully offline. IMPORTANT — NOT MEDICAL ADVICE Dosyne is a unit-conversion calculator and a personal logbook for record-keeping only. It does not provide medical advice, dosing recommendations, diagnosis, or treatment, and it does not suggest or calculate what dose you should take. Always seek the advice of a qualified doctor or healthcare professional before making any medical decision, and never disregard professional medical advice because of something you read or calculate in this app. By using this app, you agree to the Apple Standard End User License Agreement (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Monarch Prime Pin4 screens
Peptide Calc & Tracker4 screens

Verdict

The call

Monarch Prime Pin and Peptide Calc & Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both are free to download. Monarch Prime Pin sells 1 one-off in-app purchase and Peptide Calc & Tracker sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Monarch Prime Pin ships an update weekly, Peptide Calc & Tracker every 5 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

ScorecardNo meaningful differences
Monarch Prime Pin versus Peptide Calc & Tracker: the parameters behind the verdict, then further details
ParameterMonarch Prime PinPeptide Calc & Tracker
PriceFreeFree
Rating5.0 (8 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings8 — better—
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size40 MB37 MB
Age rating17+17+
DeveloperRevival Fitness Athletics LLCVAST FLOW, TOO

In-app purchases

1 purchases

Monarch Prime Pin

One-time1
  • Monarch Lifetime Pro$9.99
2 purchases

Peptide Calc & Tracker

Subscriptions2
  • Dosyne Pro$4.997 Days
  • Dosyne Pro7 Days trial$29.991 Year

Questions

Is Monarch Prime Pin free?
Monarch Prime Pin is free to download, with in-app purchases available.
Is Peptide Calc & Tracker free?
Peptide Calc & Tracker is free to download, with in-app purchases available.
Do Monarch Prime Pin or Peptide Calc & Tracker have ads?
Neither Monarch Prime Pin nor Peptide Calc & Tracker shows ads.
Which is updated more often, Monarch Prime Pin or Peptide Calc & Tracker?
Monarch Prime Pin ships an update weekly, and Peptide Calc & Tracker every 5 days. Most recently, Monarch Prime Pin was updated on October 19, 2026 and Peptide Calc & Tracker on October 10, 2026.

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