Comparison

Winterlight vs PrEP Pill Reminder & Tracker

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

Head to head
About

Winterlight

Features
Read full description

Winterlight Labs is developing a proprietary AI diagnostic platform that can objectively assess and monitor cognitive health. Our platform can analyze natural speech to detect and monitor dementia, aphasia, and various cognitive conditions. Using a short sample of speech, Winterlight can characterize the speaker's cognitive, acoustic and linguistic state, including lexical diversity, syntactic complexity, semantic content, and articulation. Accounts are available only to researchers and healthcare professionals participating in an active Winterlight Labs study. Please visit us at http://www.winterlightlabs.com for more information.

About

PrEP Pill Reminder & Tracker

This app helps you manage your sexual health by tracking PrEP doses, checkups, and results. It offers discreet reminders, secure health logs, and personalized reports to ensure consistent medication adherence and peace of mind.

Highlights
  • Medication reminders
  • Log HIV/STI test results
  • Protection status overview
  • Personalized health reports
  • Refill reminders
  • iCloud backup
Features
Read full description

Track PrEP, stay protected, and manage your sexual health, all in one private and ad-free app. Set reminders, log doses, track HIV/STI checkups, record events, and stay on track with reliable notifications. Whether you follow a daily, on-demand or injectable PrEP plan, we help you stay consistent with discreet reminders, clear tracking, and secure health logs, all designed to give you confidence and peace of mind. • Private. Your data stays on your device • PrEP tracking for daily, on-demand and injections • Reminders to help you stay consistent • Log HIV/STI test results, clinic visits, and home test kits • Contact tracking • Record DoxyPEP and PEP alongside events • Daily, timeline and calendar views of your history • Map your photos around the world • A collectible-style shiny status share card • Personalized monthly health reports • Learn guides covering basics, testing, PEP, DoxyPEP, U=U and traveling • Refill reminders • Mark doses as taken or missed • Custom notification sounds • Apple Watch support • Widgets and Dark Mode • Face ID / Touch ID protection • iCloud backup across devices • Accessibility friendly • Built and maintained by an independent developer What is PrEP? PrEP (pre-exposure prophylaxis) helps prevent HIV by maintaining protective levels of medication in your body. Staying consistent with your doses is essential for effective protection. Private. Secure. On your terms. Your data stays on your device. No accounts required. This app is intended for users who have consulted a medical professional about PrEP and understand their prescribed regimen. It is not a medical device and does not replace professional advice. Terms - https://sleepyboystudios.com/terms

Screenshots

Winterlight4 screens
PrEP Pill Reminder & Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: Winterlight at none against PrEP Pill Reminder & Tracker's 9. Winterlight also leads on iOS requirement (12.0 vs 15.0). PrEP Pill Reminder & Tracker's advantage is update cadence (every 2 weeks vs every 2 months). 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. PrEP Pill Reminder & Tracker sells 9 in-app purchases, starting at $2.99 per month. Winterlight asks for nothing beyond the download.

UpkeepUpdate frequency

Winterlight ships an update every 2 months, PrEP Pill Reminder & Tracker every 2 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Winterlight versus PrEP Pill Reminder & Tracker: the parameters behind the verdict, then further details
ParameterWinterlightPrEP Pill Reminder & Tracker
PriceFreeFree
Rating—4.7 (13 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—13 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS12.0 — better15.0
Further details — not scored
Size31 MB70 MB
Age rating4+12+
DeveloperWinterLight Labs IncSleepy Boy Studios Ltd

In-app purchases

None

Winterlight

No in-app purchases

9 purchases

PrEP Pill Reminder & Tracker

Subscriptions3
  • Monthly1 Month trial$2.991 Month
  • 3 Months$7.993 Months
  • Annual14 Days trial$24.991 Year
One-time6
  • Mini donation$0.99
  • Small donation$2.99
  • Medium donation$9.99
Show 3 more
  • Large donation$24.99
  • Premium (Lifetime)$69.99
  • Super donation$99.99

Questions

Is Winterlight free?
Winterlight is free to download, with no in-app purchases.
Is PrEP Pill Reminder & Tracker free?
PrEP Pill Reminder & Tracker is free to download, with in-app purchases available.
Do Winterlight or PrEP Pill Reminder & Tracker have ads?
Neither Winterlight nor PrEP Pill Reminder & Tracker shows ads.
Which is updated more often, Winterlight or PrEP Pill Reminder & Tracker?
Winterlight ships an update every 2 months, and PrEP Pill Reminder & Tracker every 2 weeks. Most recently, Winterlight was updated on October 26, 2026 and PrEP Pill Reminder & Tracker on October 24, 2026.

Other comparisons