Zeplog vs Hilo Core
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zeplog
This app allows users to privately track medication doses, monitor weight progress, and log side effects. All data is stored locally and encrypted on your device, ensuring complete privacy and control.
- Medication dose logging
- Weight monitoring with charts
- Side effect tracking
- Dose reminders
- Local data storage
- AES-256-GCM encryption
- Data export
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ZepLog: Private Health Tracking for Medication & Weight Take control of your health journey with ZepLog—a privacy-first app that helps you track medication doses, monitor weight progress, and log side effects. All your data stays securely on your device, encrypted and private. Why ZepLog? Your health information is sensitive. ZepLog is designed with privacy as the foundation—no accounts, no cloud servers, no data transmission. Everything is stored locally on your iPhone or iPad with military-grade encryption, so your information never leaves your device unless you choose to export it. Key Features Comprehensive Tracking • Medication Doses: Log each dose with date, time, and amount. Track your remaining supply and see when you're due for your next dose. • Weight Monitoring: Record your weight and visualize progress with interactive charts. Set a target weight and track your journey with BMI calculations. • Side Effects: Log side effects on a 0-10 scale and view trends over time to share with your healthcare provider. • Calendar View: See all your entries in a daily calendar format with notes for each day. Insights & Analytics • Overview Dashboard: Get a complete picture of your health journey at a glance • Progress Charts: Visualize weight trends, medication levels, and side effect patterns • Smart Calculations: Automatic BMI tracking, progress percentages, and weekly averages • Dose Reminders: Optional notifications to remind you when it's time for your next medication Privacy & Security • 100% Local Storage: All data stored on your device—never synced to the cloud • AES-256-GCM Encryption: Industry-standard encryption protects your data at rest • No Accounts Required: Use the app immediately—no sign-up, no email, no personal information collected • Export Anytime: Export all your data in a readable format whenever you need it • Complete Control: Delete all data with one tap—you're always in control Designed for You • Clean, Modern Interface: Intuitive design that's easy to use from day one • Dark Mode Support: Comfortable viewing in any lighting condition • Offline-First: Works completely offline—no internet connection required • Fast & Reliable: Built with SwiftUI for smooth performance Perfect For • Anyone tracking weekly or bi-weekly medication regimens • People monitoring weight loss or weight management goals • Patients who want to share detailed health logs with their doctors • Privacy-conscious users who want control over their health data Important Note ZepLog is a tracking tool designed to help you monitor your health information. It is not a medical device and does not provide medical advice, diagnosis, or treatment recommendations. Always consult with your healthcare provider about your treatment plan and any health concerns. Your Privacy Matters We believe your health data belongs to you. That's why ZepLog: • Never collects personal information • Never transmits data to servers • Never uses analytics or tracking • Never requires an account • Encrypts all data with keys stored securely in your device's Keychain Start tracking your health journey today—with complete privacy and control.
Hilo Core
This app monitors your cardiovascular wellness by collecting numerous readings throughout the day when paired with a wearable device. It provides personalized insights into your sleep, activity, and heart rate patterns to help you understand and manage your long-term health.
- 24/7 cardiovascular wellness monitoring
- Personalized insights on sleep, activity, and heart rate
- Detailed timeline comparisons
- Medication tracking
- Access to complete blood pressure history
- Add personal notes to measurements
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Hilo Core – Your Everyday Cardiovascular Wellness Companion HARDWARE REQUIRED The Hilo Core app works only with the Hilo Core wearable device, which is sold separately. The app cannot function or provide any insights without the device. Please ensure you have the Hilo Core wearable before installing. ―――――――――――――――――――――――――――――――――――――― EFFORTLESS 24/7 CARDIOVASCULAR WELLNESS MONITORING Step into a smarter way to understand your cardiovascular wellness. Paired with your Hilo Core wearable, the app captures approximately 50 readings in 24 hours — lightweight, comfortable, and designed to fit seamlessly into your life. Gone are the days of relying on a single snapshot: Hilo Core gives you a full picture of your wellness trends over time. For us, it's about translating decades of research and billions of data points into clear, meaningful insights. For you, it's about the peace of mind that comes from truly understanding your wellbeing. With Hilo Core on your wrist, you can keep your health in focus. EMPOWERED WELLNESS MANAGEMENT Hilo Core goes beyond simple readings, transforming how you think about your health. Discover how your sleep, activity, and heart rate connect to your patterns day to day. With personalised insights built around your habits, you'll gain a much deeper understanding of how your lifestyle and daily choices affect your wellbeing — and feel empowered to make better decisions for your long-term health. BACKED BY SCIENCE, BUILT FOR YOU Hilo Core is grounded in over 20 years of research and a vast database of 12 billion data points, built around your unique profile and trusted by users around the world. ALWAYS ON, ALWAYS WITH YOU Hilo Core is designed for your life as it actually is. With Hilo Core on your wrist, you get personalised insights across wellness, sleep, steps, and heart rate — helping you understand your patterns, not just record them, so you can make confident, informed decisions about your health every day. ―――――――――――――――――――――――――――――――――――――― HILO CORE MEMBERSHIP Hilo Core Membership is an auto-renewable annual subscription that unlocks premium features within the app. The first year of membership is included with every Hilo Core device purchase. Membership includes: • All past readings – Access your complete blood pressure history at any time. • Detailed timeline comparisons – Compare measurements and trends across different time periods. • Notes – Add personal notes to measurements and events to better understand your data. • Medication tracking – Track medications alongside your readings to better understand their impact over time. SUBSCRIPTION INFORMATION • Hilo Core Membership is billed annually. • The subscription automatically renews unless cancelled at least 24 hours before the end of the current subscription period. • You can manage or cancel your subscription at any time in Settings > Apple ID > Subscriptions. ―――――――――――――――――――――――――――――――――――――― IMPORTANT DISCLAIMER The Hilo Core app and Hilo Core wearable device are intended for general wellness and informational purposes only. They are NOT a medical device and are NOT intended to diagnose, treat, cure, mitigate, or prevent any disease or medical condition, including high blood pressure (hypertension) or any cardiovascular disease. The readings, trends, and insights provided are not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare professional regarding your health, and never disregard professional medical advice or delay seeking it because of information provided by this app. Hilo Core is not intended for use by individuals under 18 years of age, by pregnant women, or by people with known cardiovascular conditions without consulting a healthcare professional. If you are experiencing a medical emergency, contact your local emergency services immediately. Terms of Use: https://hilo.com/uk/terms-conditions/
Screenshots
Verdict
The clearest difference is rating: Zeplog at 5.0 against Hilo Core's 4.3. Zeplog also leads on update cadence (every 3 days vs weekly). On price, ratings volume, ads and in-app purchases 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. Zeplog sells 2 in-app purchases, starting at $1.99 per month and Hilo Core sells 1 in-app purchase, starting at $149.99 per year. Whichever you choose, the download price is not the number that matters.
Zeplog holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively.
Zeplog ships an update every 3 days, Hilo Core weekly. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.
| Parameter | Zeplog | Hilo Core |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.3 (3 ratings) |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 227 MB |
| Age rating | 17+ | 4+ |
| Developer | Stratoware | Aktiia SA |
Customer experience
Zeplog
Hilo Core
In-app purchases
Zeplog
- Monthly1 Month trial$1.991 Month
- Annual1 Month trial$9.991 Year
Hilo Core
- Hilo Core Membership$149.991 Year









