Mar Azul vs earthquakeX App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mar Azul
Access the latest content, connect with an online community, and receive inspiration. Watch or listen to messages, stay updated on news and events, and share content with friends. Participate in the 5K Mar Azul movement by discovering its purpose, registering, and accessing preparation resources.
- Watch or listen to messages
- Stay updated on news and events
- Share content with friends
- Join the 5K Mar Azul movement
- Register for the race
- Access exclusive preparation resources
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Access the latest content from Mar Azul. Connect with our online community. Receive inspiration anytime, anywhere. With this app you can: - Watch or listen to our messages wherever you are - Stay up to date with news, events, and important notifications - Share your favorite content with friends and family - And now, be part of the 5K Mar Azul movement! Discover the purpose behind the race, register your team, and access exclusive resources to help you prepare. Mobile app version: 6.22.1
earthquakeX App
This app provides real-time seismic activity information for Puerto Rico and globally. It includes an interactive map with layers for earthquakes, tsunami zones, and assembly points, along with educational content and news updates.
- Real-time earthquake monitoring
- Interactive map with multiple layers
- Earthquake Finder with search options
- Routes to evacuation assembly places
- Educational library on earthquakes and tsunamis
- Earthquake news and updates bulletin
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earthquakePR is now earthquakeX. The “PR” was for Puerto Rico; the “X” is for wherever you are. The same app, rebuilt from the ground up and ready for any region in the world. Created for Puerto Rico, now for the world. earthquakeX shows you earthquakes near you, as they happen, with official data from the USGS and EMSC. Choose your region, get alerted when the ground moves, and understand what each earthquake means, all in a clean, simple design. STAY INFORMED • Real-time earthquakes for your region, from the USGS and EMSC • Alerts for your region, at the magnitude you choose, plus major earthquakes worldwide • Official tsunami warnings from the U.S. Tsunami Warning Centers • Live Activity on your Lock Screen that counts aftershocks after a strong earthquake • Widgets for your Home Screen and Lock Screen EXPLORE EVERY EARTHQUAKE • Interactive map for the last 24 hours, 7 days or 30 days • Tectonic plate boundaries, and World View to see activity across the globe • Shaking maps showing how hard the ground shook, and where • Aftershock forecasts: the chance of more earthquakes in the next day, week and month • Distance from you, depth, felt reports and more for every earthquake UNDERSTAND THE ACTIVITY • Charts of trends, magnitudes and depths • Search a full year of earthquakes by place and magnitude • A seismic report that explains the activity in plain words, ready to share BE PREPARED • “I’m Safe”: tell family and friends you’re OK with one tap after a strong earthquake • “I Need Help”: send your exact location to the people you choose • What to do before, during and after an earthquake • Emergency kit checklist and Great ShakeOut reminders MORE • Available in English, Spanish, French, Japanese, Indonesian and Turkish • Light and dark mode • Share any earthquake as an image earthquakeX shows earthquakes that have already happened. It can’t predict earthquakes or give early warning. Always follow your local officials. Download earthquakeX and stay informed, wherever you are. Privacy Policy: https://gaudinosoftware.github.io/earthquakex/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Mar Azul at every 3 months against earthquakeX App's every 9 months. Mar Azul also leads on ratings volume (33 vs 7) and iOS requirement (15.1 vs 26.0). On price, rating, review sentiment and ads 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Mar Azul against 5.0 for earthquakeX App. Both are backed by a comparable volume of ratings — 33 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Mar Azul ships an update every 3 months, earthquakeX App every 9 months. Both last shipped on October 24, 2026.
| Parameter | Mar Azul | earthquakeX App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (33 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 33 — better | 7 |
| Update frequency | Every 3 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 54 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Comunidad Mar Azul Inc. | James Gaudino Sanchez |
Customer experience
Mar Azul
earthquakeX App
In-app purchases
Mar Azul
No in-app purchases
earthquakeX App
No in-app purchases





