Comparison

Furolog vs Peptide Tracker

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

Head to head
About

Furolog

Features
Read full description

Turn every soak into a story you can learn from. Furolog is a bathing journal for onsen, sento, sauna and cold-plunge fans. With a compatible Apple Watch, it detects when you enter the water and records temperature and heart rate, building a timeline of every soak, rest, sauna and cold plunge. Prefer to stay in control? Record manually from Apple Watch or iPhone. Sensor-based water temperature tracking is available on Apple Watch Series 10 or later and Apple Watch Ultra models. TRACK AS YOU BATHE • Automatic water detection on compatible Apple Watch models • Water temperature changes recorded as often as every 5 seconds • Continuous heart rate monitoring with configurable alerts • Manual dip, sauna and temperature controls on Apple Watch and iPhone • A clear activity timeline for every soak, rest, sauna and cold plunge • Tag sessions with 13 onsen water types and 12 sauna types REMEMBER EVERY VISIT • Add ratings, notes and photos to your sessions • Save favorite sessions and facilities • See your complete visit history for each location • Keep your journal in sync across devices with iCloud DISCOVER YOUR NEXT STOP • Find nearby onsen, sento and sauna on an interactive map • Track the prefectures you have visited and aim for all 47 • See community water temperatures and visit totals when available UNDERSTAND YOUR PATTERNS — FUROLOG PRO • Explore temperature, duration and frequency trends • Review heart rate zones, HR response and post-session recovery • Follow heat tolerance, cold tolerance and hot-cold contrast • See your sauna heart rate climb and recovery pattern • Find Your Perfect Session from the routines you rate highest MAKE IT YOURS • Create share cards in three layouts with customizable gradient backgrounds • Add photo backgrounds and choose from 9 alternate app icons with Furolog Pro • Choose from 7 themes • Use Furolog in English or Japanese All recording features on Apple Watch and iPhone are free. Furolog Pro unlocks advanced analytics and additional customization. PRIVACY AND PERMISSIONS Community sharing is optional and can be disabled globally or for individual sessions. Shared records are anonymized and used to provide facility water temperatures and visit totals. Notes, photos, heart rate data, exact timestamps, home addresses and precise locations are never shared. HealthKit access is required to record heart rate. Location access is used for session mapping and nearby facility discovery. Heart rate alerts are informational and are not medical guidance. IMPORTANT Use of Apple Watch in hot water is at your own risk. Apple does not recommend submerging Apple Watch in hot springs or using it in saunas. We are not responsible for damage to your device. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.nimikko.co.jp/en/furolog-privacy-policy

About

Peptide Tracker

Effortlessly manage peptide protocols, track doses, and monitor your body's response. Log medication, track side effects, and visualize progress towards your health and weight goals with a clean, private interface.

Highlights
  • Dose tracking with countdowns
  • Active peptide level monitoring
  • Built-in library of peptides and medications
  • Multiple schedule management
  • Side effect and symptom logging
  • Daily well-being check-ins
  • Weight and progress tracking
Features
Read full description

Simple Peptide Tracker — Stay on protocol, effortlessly. Whether you're on GLP-1s, research peptides, or a custom protocol, staying consistent is everything. Simple Peptide Tracker gives you one clean, private place to manage every dose, monitor what's active in your body, and see how you're feeling over time — without the spreadsheets. NEVER MISS A DOSE See your next shot at a glance with a clear countdown ("in 1 hour," "in 1d 0h") and log each dose in seconds. Build the routine that actually keeps you on track. MONITOR LEVELS IN YOUR BODY Watch how much of each peptide is active in your system with a clean concentration curve. Know exactly where you are between doses instead of guessing. A BUILT-IN LIBRARY OF PEPTIDES & MEDICATIONS No setup headaches — your medication is already here. Pick from a large, ready-to-go library of popular GLP-1s and peptides, including: - Ozempic (semaglutide) - Wegovy (semaglutide) - Mounjaro (tirzepatide) - Zepbound (tirzepatide) - Rybelsus (oral semaglutide) - Saxenda (liraglutide) - Victoza (liraglutide) - Trulicity (dulaglutide) - Retatrutide - Tirzepatide & Semaglutide (research/compounded) - BPC-157 - TB-500 - Ipamorelin - CJC-1295 - Tesamorelin - Sermorelin - GHK-Cu - MOTS-c CREATE MANY SCHEDULES Run multiple peptides and protocols side by side. Set custom frequencies, start dates, and dosing days for each medication — daily, weekly, or anything in between. MONITOR SIDE EFFECTS Track nausea, heartburn, food noise, appetite, and more over time. Spot patterns and understand how each protocol really affects you. SIMPLE DAILY CHECK-INS Log overall wellbeing, energy, sleep quality, and mood with a quick tap. Small daily check-ins add up to a clear picture of your progress. HIT YOUR WEIGHT GOALS Track weight alongside your protocol and watch the trend line move. See where you started, where you are now, and how far you've come. KEEP TRACK OF YOUR HISTORY A full calendar and history of every dose, weight entry, and check-in. Your complete journey, always at your fingertips. ADD CUSTOM MEDICATIONS Not seeing your peptide? Add any custom medication with your own details and track it exactly like the rest. WHY YOU'LL LOVE IT - Clean, distraction-free design - Fast logging — most actions take one tap - Built specifically for peptides, not generic pill reminders - Your data, organized and private Download Simple Peptide Tracker and take the guesswork out of your protocol. --- Peppy is for personal tracking and informational purposes only. It is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider regarding dosing, medications, and your health. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Cancellation of the current active subscription period is not allowed. Terms of Use: https://pattammaro.com/peppy/terms-of-use Privacy Policy: https://pattammaro.com/peppy/privacy-policy

Screenshots

Furolog4 screens
Peptide Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Furolog at weekly against Peptide Tracker's monthly. Peptide Tracker's advantage is iOS requirement (18.0 vs 27.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Furolog sells 2 in-app purchases, starting at $2.99 per month and Peptide Tracker sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Furolog ships an update weekly, Peptide Tracker monthly. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Furolog versus Peptide Tracker: the parameters behind the verdict, then further details
ParameterFurologPeptide Tracker
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS27.018.0 — better
Further details — not scored
Size98 MB13 MB
Age rating4+12+
DeveloperNimikko K.K.Patrick Tammaro

In-app purchases

2 purchases

Furolog

Subscriptions1
  • Furolog Pro$2.991 Month
One-time1
  • Furolog Pro Lifetime$19.99
2 purchases

Peptide Tracker

Subscriptions2
  • Weekly Plan$5.997 Days
  • Yearly Plan3 Days trial$29.991 Year

Questions

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

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