Epicenter vs UV Index Now Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Epicenter
Explore global earthquake activity from the past 30 days on an interactive globe. View detailed information, animate seismic events over time, and customize map displays. Includes companion apps for Apple Watch and a Today Widget for quick access to recent data.
- 30 days of global earthquake data
- Interactive rotatable and zoomable globe
- Earthquake details (magnitude, depth, source)
- Date scroller and animation
- Customizable map terrain and fault lines
- Apple Watch app for recent data
- Today Widget for quick access
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Epicenter — Global Earthquake Monitoring & Alerts Track global seismic activity with timely earthquake notifications, one of the most comprehensive earthquake catalogs available on a mobile device, and powerful tools for exploring earthquakes in space and time. Built on trusted public seismic reporting agencies, Epicenter helps you monitor, understand, and visualize earthquakes worldwide. MONITOR EARTHQUAKES THAT MATTER TO YOU Receive timely notifications for significant earthquakes worldwide and monitor the places and seismic regions that matter most to you. • Worldwide earthquake notifications • Location-based notifications • Watched locations important to you • Watched seismic regions • Notification history and earthquake summaries • Built on multiple trusted global and regional seismic reporting agencies EXPLORE EARTHQUAKES WORLDWIDE View one of the most detailed interactive earthquake maps available on a mobile device. • Worldwide catalog of 25,000+ recent earthquakes updated from multiple public seismic reporting agencies • Interactive 3D globe with pan and zoom • Explore earthquake distributions beneath the Earth's surface with interactive 3D Seismicity • Time Explorer with day-by-day or hour-by-hour playback • Earthquake List View with sorting, filtering, and search • Filter the List View for non-earthquake events like landslides, quarry blasts, explosions, and more • Fly directly to earthquakes and locations of interest UNDERSTAND GLOBAL SEISMICITY Understand earthquakes as part of a larger geological system. • Magnitude and depth visualization • Worldwide plate boundaries • Global fault datasets • Detailed earthquake data • Multiple terrain styles • Geological descriptions and annotations BUILT FOR APPLE DEVICES Designed to feel at home across the Apple ecosystem. • New - Home Screen Widgets • iPhone and iPad support • Light and Dark modes • Apple Watch companion • Mac compatibility via iPad support BUILT BY A SEISMOLOGIST • Designed for accuracy, transparency, and insight. PREMIUM FEATURES Epicenter+ expands Epicenter with advanced notifications, enhanced visualizations, and deeper exploration tools. Everything you enjoy in Epicenter remains free. No ads. Epicenter+ supports continued development of worldwide earthquake monitoring and analysis tools. Epicenter delivers timely notifications as earthquake solutions are published by trusted public seismic reporting agencies. Because Epicenter relies on published earthquake solutions rather than earthquake early warning infrastructure, it is not an earthquake early-warning system and should not be relied upon for emergency response or life-safety decisions. Epicenter+ Subscription Terms When you purchase an Epicenter+ subscription, payment will be charged to your Apple Account. Your subscription begins with a 30-day free trial. Unless canceled before the trial ends, your subscription will begin automatically and your Apple Account will be charged. Subscriptions are billed automatically at the beginning of each monthly or annual billing period and renew until canceled. Your account will be charged for renewal within 24 hours prior to the end of the current subscription period. Manage your subscription and turn off auto-renewal at any time in Settings → [your name] → Subscriptions on your device or through the App Store. To avoid being charged for the next billing period, auto-renewal must be turned off at least 24 hours before the current period ends. If you cancel, your subscription remains active until the end of the current billing period. When your Epicenter+ subscription ends, the app automatically returns to its standard free mode. All billing and refunds are handled by Apple. Epicenter cannot process refunds directly. Refund requests must be submitted to Apple and are granted at Apple's discretion. Privacy Policy: https://seismology.rocks/epicenter Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
UV Index Now Tracker
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Know the UV Index before you step outside. UV Index Now Tracker helps you make smarter outdoor decisions with real-time UV Index data, hourly forecasts, exposure tracking, and personalized sun protection recommendations. Whether you're heading to the beach, going for a run, hiking, cycling, or simply spending time outdoors, you'll always know when UV levels are safe and when extra protection is needed. Powered by Apple WeatherKit, the app delivers fast, accurate, and reliable UV information directly to your iPhone and iPad. Live UV Index View the current UV Index instantly with an easy-to-read color-coded gauge. • Current UV Index • UV risk level • Peak UV time • Today's highest UV • Live weather conditions Hourly UV Forecast See how UV levels change throughout the day. • Hour-by-hour forecasts • Peak UV detection • Interactive charts • Daily UV trends • Best times to go outside Sun Exposure Tracker Monitor your outdoor sessions and understand your daily UV exposure. • Session timer • Current UV during activities • Peak UV reached • Average UV exposure • Exposure history • Daily statistics Burn Time Estimates Estimate how long unprotected skin may remain in the sun before burning based on current UV conditions. Smart Protection Recommendations Receive practical guidance for every UV level. • Sunscreen recommendations • SPF suggestions • Hat reminders • Protective clothing advice • Shade recommendations • Outdoor planning tips Safe & Dangerous Outdoor Times Quickly identify: • Safe outdoor windows • High UV periods • Peak sunlight hours • Best exercise times • Safer times for family activities Complete Weather Information In addition to UV Index, monitor: • Temperature • Feels Like • Wind Speed • Humidity • Visibility • Pressure • Sunrise • Sunset • Hourly Forecast • 10-Day Forecast Widgets & Live Activities Keep UV information available without opening the app. • Home Screen Widgets • Lock Screen Widgets • Live Activities • Dynamic Island • StandBy Support Privacy First Your privacy matters. • No account required • No sign up • No ads • No tracking • Apple WeatherKit data • Fast and lightweight Perfect For • Beach trips • Running • Hiking • Cycling • Golf • Tennis • Outdoor workers • Photography • Camping • Travel • Family activities • Daily sun protection Download UV Index Now Tracker today and stay informed with accurate UV forecasts, smart alerts, and personalized sun safety guidance wherever you go. The app uses Apple WeatherKit for all UV and weather data. The Apple Weather trademark ( Weather) and a link to the legal attribution page are displayed on the Dashboard, Weather, and UV Forecast screens.
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Verdict
The clearest difference is in-app purchases: UV Index Now Tracker at none against Epicenter's 2. Epicenter's advantage is update cadence (every 4 days vs every 2 weeks) and iOS requirement (17.4 vs 26.0). 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. Epicenter sells 2 in-app purchases, starting at $1.99 per month. UV Index Now Tracker asks for nothing beyond the download.
Epicenter ships an update every 4 days, UV Index Now Tracker every 2 weeks. The most recent releases landed on September 23, 2026 and August 16, 2026 respectively.
| Parameter | Epicenter | UV Index Now Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (39 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 102 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Jess Taylor | Farouk Elsayed |
In-app purchases
Epicenter
- Epicenter+ Monthly1 Month trial$1.991 Month
- Epicenter+ Annual1 Month trial$9.991 Year
UV Index Now Tracker
No in-app purchases








