Winterlight vs PrEP Pill Reminder & Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Winterlight
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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.
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.
- Medication reminders
- Log HIV/STI test results
- Protection status overview
- Personalized health reports
- Refill reminders
- iCloud backup
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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
Verdict
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
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.
Winterlight ships an update every 2 months, PrEP Pill Reminder & Tracker every 2 weeks. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | Winterlight | PrEP Pill Reminder & Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (13 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 13 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 31 MB | 70 MB |
| Age rating | 4+ | 12+ |
| Developer | WinterLight Labs Inc | Sleepy Boy Studios Ltd |
In-app purchases
Winterlight
No in-app purchases
PrEP Pill Reminder & Tracker
- Monthly1 Month trial$2.991 Month
- 3 Months$7.993 Months
- Annual14 Days trial$24.991 Year
- Mini donation$0.99
- Small donation$2.99
- Medium donation$9.99
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- Large donation$24.99
- Premium (Lifetime)$69.99
- Super donation$99.99







