Comparison

PepTide vs Keel

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

Head to head
About

PepTide

This app helps adults manage peptide and GLP-1 records by logging injections, sites, and health metrics. It offers advanced tools for trends, research, and clinician summaries, with a free tier and optional Pro subscription for enhanced features.

Highlights
  • Local injection and site logging
  • Food, hydration, and weight tracking
  • Injection reminders
  • Health metric logging
  • Apple Health sync
  • Clinician-prep summaries
  • Research tools
Features
Read full description

Stop running your protocol out of a notes app. PepTide is a private peptide and GLP-1 tracker that lives on your device, no account, no cloud. Log every injection, amount label, and site, then let site-rotation history and reminders keep your schedule on track. Built for people tracking semaglutide, tirzepatide, and research peptides who have outgrown a spreadsheet. TRACK IT ALL IN ONE PLACE - Injection log with automatic site-rotation history - Amount labels, food, water, weight, mood, fasting, measurements, and side effects - Injection reminders on your own schedule - A neutral peptide reference picker to organize your records GO DEEPER WITH PRO - Weekly insights across nutrition, hydration, symptoms, weight, and consistency - Protocol calendar for your schedules and logs - Apple Health sync: weight, water, steps, energy, workouts, heart rate, and sleep - Research tools: published-study lookup - Backup export and a clinician-ready summary for your next appointment PRIVATE BY DESIGN Everything stays on your device. Delete it all with one tap. Pricing: - Monthly Pro: $7.99 per month - Annual Pro: $49.99 per year - No lifetime plan Auto-renewable subscription disclosure: PepTide Pro is offered as monthly or annual auto-renewable subscriptions. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID account settings. Privacy Policy: https://peptidewaves.com/privacy. Terms of Use: https://peptidewaves.com/terms. Medical disclaimer: PepTide is not a medical device and does not provide medical advice, diagnosis, or treatment. It does not prescribe, source, supply, compare vendors for, or recommend any medication, peptide, supplement, dose, timing, cycle, combination, reconstitution method, interaction, or treatment decision. Amount and timing fields are user-entered record labels only. Always seek the advice of your doctor or another qualified healthcare professional before making any medical decisions, in addition to using this app.

About

Keel

Features
Read full description

Suivi GLP-1 helps you follow your GLP-1 treatment day after day — with no account, and your data stays on your device unless you choose to sync with Apple Health. WHAT YOU CAN TRACK • Injections: dose, date and injection site, with rotation suggestions • Weight, with a chart and a 7-day average • Blood pressure and pulse • Blood glucose • Protein intake, with a daily goal • Side effects: type, intensity and notes • Dose titration: plan your steps and see your current dose at a glance SEE THE PATTERNS The Trends page turns your entries into plain answers: • When your side effects tend to appear relative to injection day • How your weight changed at each dose level REMINDERS AND WIDGETS • Injection reminders at the time you choose • Home Screen and Lock Screen widgets showing your next injection and current dose BUILT FOR YOUR DOCTOR VISITS Export a clear report — as text or PDF — with your doses, weight change, side effects and readings over the period you pick. CSV export is included too. APPLE HEALTH Optional two-way sync for weight, blood pressure, blood glucose and protein. You turn it on yourself in Settings, and you can turn it off at any time. YOUR DATA IS YOURS No account. No sign-up. No server. Everything is stored on your iPhone. You can export all of it, or erase all of it, whenever you want. Available in English, French and Spanish. IMPORTANT Suivi GLP-1 is a personal tracking tool. It does not provide diagnosis, dosing advice or medical recommendations. Always follow your healthcare provider's instructions.

Screenshots

PepTide4 screens
Keel4 screens

Verdict

The call

The clearest difference is in-app purchases: Keel at none against PepTide's 2. Keel also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (13.0 vs 15.1). On price, ads 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. PepTide sells 2 in-app purchases, starting at $7.99 per month. Keel asks for nothing beyond the download.

UpkeepUpdate frequency

PepTide ships an update every 5 weeks, Keel every 2 weeks. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
PepTide versus Keel: the parameters behind the verdict, then further details
ParameterPepTideKeel
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size44 MB22 MB
Age rating17+4+
DeveloperOmniscient Labs LLCSKINSCAN AI LTD

In-app purchases

2 purchases

PepTide

Subscriptions2
  • PepTide Pro Monthly$7.991 Month
  • PepTide Pro Annual$49.991 Year
None

Keel

No in-app purchases

Questions

Is PepTide free?
PepTide is free to download, with in-app purchases available.
Is Keel free?
Keel is free to download, with no in-app purchases.
Do PepTide or Keel have ads?
Neither PepTide nor Keel shows ads.
Which is updated more often, PepTide or Keel?
PepTide ships an update every 5 weeks, and Keel every 2 weeks. Most recently, PepTide was updated on October 31, 2026 and Keel on October 31, 2026.

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