Comparison

DoseRhythm vs Prof. Peptide Protocol Tracker

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

Head to head
About

DoseRhythm

Features
Read full description

DoseRhythm: Your Personal Bio-Protocol Companion Take control of your health protocols with DoseRhythm, the all-in-one dosing tracker built for the research compound community. Whether you're managing peptides, hormones (HRT), nootropics, or supplements, DoseRhythm keeps everything organized, on schedule, and completely FREE and completely private. TRACK YOUR PROTOCOLS Create detailed dosing protocols with compound names, dosages, administration routes, and custom cycling schedules. Log each dose with a single tap and see your daily progress at a glance. SMART DOSE CALCULATOR Never second-guess your math again. Built-in calculators handle reconstitution volumes and syringe dosing so you get accurate measurements every time. 200+ COMPOUND KNOWLEDGE BASE Browse the PeptideArc directory — over 200 research compounds across 7 categories including peptides, SARMs, SERMs, hormones & TRT, nootropics, longevity agents, and supplements. Each profile includes mechanisms, dosing guidelines, and research references. INSIGHTS & ADHERENCE Track your 30-day adherence rate, maintain dosing streaks, and review your protocol history. DoseRhythm helps you stay consistent and see the big picture. CYCLING SUPPORT Set up on/off cycling schedules for compounds that require them. DoseRhythm tracks where you are in each cycle automatically. YOUR DATA STAYS YOURS DoseRhythm is offline-first. All your health data is stored locally on your device — nothing is uploaded, shared, or tracked. No account required, no cloud sync, no compromises on privacy. Built by PeptideArc — the trusted resource for research compound education. Disclaimer: DoseRhythm is for informational and educational purposes only. It is not intended to provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before starting, changing, or stopping any medication or health protocol. Do not make medical decisions based solely on this app.

About

Prof. Peptide Protocol Tracker

Track peptide and GLP-1 doses, calculate reconstitutions, and manage complex protocols. Access a compound library, visualize estimated levels, and review research summaries. Your data remains private and on your device.

Highlights
  • Dose logging and reminders
  • Reconstitution calculator
  • 60+ compound library
  • Full protocol and stack support
  • Estimated compound levels visualization
  • AI research assistant
  • Results and trends tracking
Features
Read full description

Prof. Peptide — All-in-One Peptide Tracker The all-in-one app for tracking peptides and GLP-1s. Log your doses, calculate reconstitution, run full protocols and stacks, and keep everything organized in one place — no more spreadsheets or scattered notes. Built for researchers, athletes, and anyone managing a serious peptide protocol. FEATURES Dose Logging & Reminders — Log every dose and get reminders so you never miss one. Track daily, weekly, cyclical, and custom schedules. Reconstitution Calculator — Take the guesswork out of the math. Enter vial size, BAC water, and desired dose to get exactly how much to draw. 60+ Compound Library — Peptides, GLP-1s, and supplements, searchable by name or brand (Wegovy, Ozempic, Mounjaro, Zepbound, and more). Blends and stacks included. Full Protocol & Stack Support — Run multiple compounds on their own schedules. Manage on/off cycles with clear timelines. Estimated Levels — Visualize estimated compound levels over time based on published half-life data, so you can see where you are in your dosing window. AI Research Assistant — Ask questions about peptide and supplement research, drawn from the research literature. Not medical or dosing advice. Results & Trends — Track weight, body composition, and other measurements over time with clean charts. Curated Research Hub — Reference summaries and vendor testing transparency, all in one place. Private by Design — Your data stays on your device. Export and import your own backups anytime. Prof. Peptide is for informational and educational purposes only. Nothing in this app constitutes medical advice.

Screenshots

DoseRhythm4 screens
Prof. Peptide Protocol Tracker4 screens

Verdict

The call

DoseRhythm and Prof. Peptide Protocol 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DoseRhythm ships an update every 2 weeks, Prof. Peptide Protocol Tracker every 3 weeks. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

ScorecardNo meaningful differences
DoseRhythm versus Prof. Peptide Protocol Tracker: the parameters behind the verdict, then further details
ParameterDoseRhythmProf. Peptide Protocol Tracker
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size46 MB33 MB
Age rating17+12+
DeveloperSteve OlsonStrength Cycle Studios, LLC

In-app purchases

None

DoseRhythm

No in-app purchases

None

Prof. Peptide Protocol Tracker

No in-app purchases

Questions

Is DoseRhythm free?
DoseRhythm is free to download, with no in-app purchases.
Is Prof. Peptide Protocol Tracker free?
Prof. Peptide Protocol Tracker is free to download, with no in-app purchases.
Do DoseRhythm or Prof. Peptide Protocol Tracker have ads?
Neither DoseRhythm nor Prof. Peptide Protocol Tracker shows ads.
Which is updated more often, DoseRhythm or Prof. Peptide Protocol Tracker?
DoseRhythm ships an update every 2 weeks, and Prof. Peptide Protocol Tracker every 3 weeks. Most recently, DoseRhythm was updated on September 22, 2026 and Prof. Peptide Protocol Tracker on September 15, 2026.

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