Comparison

Sun Day Tracker vs PeptideTrax

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

Head to head
About

Sun Day Tracker

Monitor your daily vitamin D absorption from sunlight exposure. This straightforward application helps you keep track of your sun-related vitamin D intake.

Highlights
  • Track daily vitamin D intake
  • Sunlight exposure monitoring
  • Simple interface
  • Daily tracking
Features
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A simple app to track you daily vitamin D intake from the sun.

About

PeptideTrax

Features
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PeptideTrax is a privacy-first peptide and GLP-1 tracker for semaglutide, tirzepatide, retatrutide, and custom protocols. Log shots, track dose history, see upcoming schedules, monitor supply, record weight and symptoms, and export clinician-friendly summaries without an account. Create one or more trackers for your routine, log each dose as you take it, review what is coming next, monitor remaining inventory, and keep a clear timeline when preparing for clinician conversations. PeptideTrax is built for people who want a focused record instead of scattered notes or spreadsheets. Your tracker data is stored on device in this native launch version. Use PeptideTrax to track: - GLP-1 and peptide schedules - Dose history and shot timing - Weight, appetite, symptoms, sleep, energy, and other metrics - Inventory and supply estimates - Reminder settings - Clinician-friendly report exports Subscriptions use Apple's standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://consultutah.com/apps/peptidetrax/privacy/ Important: PeptideTrax is a personal tracking log, not medical advice. It does not recommend peptides, prescriptions, dose amounts, or schedules. Always follow your clinician or pharmacist's instructions and verify every entry before acting on it.

Screenshots

Sun Day Tracker1 screens
PeptideTrax4 screens

Verdict

The call

The clearest difference is in-app purchases: Sun Day Tracker at none against PeptideTrax's 2. PeptideTrax's advantage is update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement 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. PeptideTrax sells 2 in-app purchases, starting at $0.99 per month. Sun Day Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

Sun Day Tracker ships an update monthly, PeptideTrax every 9 days. The most recent releases landed on October 17, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
Sun Day Tracker versus PeptideTrax: the parameters behind the verdict, then further details
ParameterSun Day TrackerPeptideTrax
PriceFreeFree
Rating4.6 (26 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings26 — better—
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size1 MB3 MB
Age rating4+17+
Developerpermissionless tech, llcConsultUtah LLC

In-app purchases

None

Sun Day Tracker

No in-app purchases

2 purchases

PeptideTrax

Subscriptions2
  • Monthly Premium$0.991 Month
  • Yearly Premium$9.991 Year

Questions

Is Sun Day Tracker free?
Sun Day Tracker is free to download, with no in-app purchases.
Is PeptideTrax free?
PeptideTrax is free to download, with in-app purchases available.
Do Sun Day Tracker or PeptideTrax have ads?
Neither Sun Day Tracker nor PeptideTrax shows ads.
Which is updated more often, Sun Day Tracker or PeptideTrax?
Sun Day Tracker ships an update monthly, and PeptideTrax every 9 days. Most recently, Sun Day Tracker was updated on October 17, 2026 and PeptideTrax on September 29, 2026.

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