Global Earthquake Tracker vs Tsunami Shield
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Global Earthquake Tracker
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Global Earthquake Tracker gives you real-time access to earthquake data from the USGS Earthquake Hazards Program. Monitor seismic activity worldwide, track the regions you care about, and stay prepared with built-in safety tools. REAL-TIME EARTHQUAKE MAP & LIST View earthquakes on an interactive map or browse a detailed list. Every event includes magnitude, depth, location, time, tsunami warnings, PAGER alert levels, and felt reports all updated in real time. CUSTOM REGION TRACKING Create up to 10 personalized regions to monitor. Set your location manually, use GPS, or search by city name. Adjust the radius (50–1000 km) and minimum magnitude threshold to get exactly the alerts that matter to you. "I'M SAFE" SHARING After a significant earthquake, let your loved ones know you're okay with a single tap. Your safety message includes your location and timestamp, ready to share instantly. STATISTICS & ANALYSIS Explore seismic trends with interactive charts magnitude distribution, daily activity timelines, and depth analysis. View data for the last 7, 30, or 90 days. ADVANCED SEARCH Search the USGS earthquake catalog by date range, magnitude, depth, and sort order. Find the exact data you need from the world's most comprehensive seismic database. DAILY & WEEKLY SUMMARIES Get a quick overview of recent activity total earthquake count, significant events (M5.0+ and M6.0+), and the largest earthquakes near your tracked regions. EARTHQUAKE PREPAREDNESS GUIDE Learn what to do before, during, and after an earthquake with actionable tips. Use the interactive emergency kit checklist to make sure you and your family are ready. DETAILED EARTHQUAKE VIEW Tap any earthquake for complete details with an epicenter map. Share earthquake information as a formatted image or text with friends and family. PUSH NOTIFICATIONS Receive background alerts when earthquakes occur near your tracked regions. Never miss a significant event. MORE FEATURES Dark mode Multi-language support (English, Turkish, Japanese) Color-coded magnitude indicators Onboarding tutorial for new users Privacy-focused with optional location access All earthquake data is provided by the United States Geological Survey (USGS). This app is intended for informational and educational purposes.
Tsunami Shield
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Tsunami Shield – Your Tsunami Safety Companion Tsunami Shield helps you prepare for, respond to and stay informed during tsunami emergencies. Whether you're at home, travelling or monitoring loved ones overseas, Tsunami Shield gives you the information and tools you need when every second matters. Free to download with a 3-day free trial. After your trial, a monthly or annual subscription is required to continue accessing all features. All features are available in full during the trial and to active subscribers. OFFICIAL TSUNAMI ALERTS Receive official tsunami warnings and alerts for your monitored locations and current position when supported by local authorities. GLOBAL TSUNAMI MONITORING Track earthquakes and tsunami activity around the world with an interactive globe and real-time monitoring tools. PROTECT MULTIPLE LOCATIONS Monitor your home, family members, holiday destinations and other important locations around the globe. EVACUATION GUIDANCE Access practical evacuation information and guidance during tsunami warnings, helping you understand what actions to take. Includes map and step by step guidance to safety. EMERGENCY ASSISTANCE Quickly access emergency phone numbers and essential assistance information for your current country or other supported locations. TRAVEL MODE Stay safe while travelling the globe and add countries you visit to be informed of any local alerts. DESTINATION SAFETY CHECKS Research historical tsunami activity and coastal risk before travelling to potential tsunami-prone destinations. QUICK SAFETY MESSAGING Send pre-filled "I'm Safe" or "I need Help" emergency messages to loved ones using your device's messaging apps (with your GPS co-ordinates included for ‘I need help’ messages). DESIGNED FOR PREPAREDNESS Tsunami Shield is built to help individuals, families and travellers stay informed and better prepared before, during and after tsunami emergencies. Key Features • Official tsunami alerts and warnings • Real-time global earthquake monitoring • Multi-location protection worldwide • Evacuation guidance and safety information • Emergency assistance tools • Travel Mode • Global Watch • Destination tsunami risk checks • Quick safety messaging for loved ones • Designed for travellers, families and coastal communities Important: Tsunami Shield provides informational and preparedness tools only and should not replace official emergency instructions, evacuation orders or local authority guidance. Tsunami Shield Terms & Conditions: https://tsunamishield.tech/terms Tsunami Shield Privacy Policy: https://tsunamishield.tech/privacy
Screenshots
Verdict
The clearest difference is iOS requirement: Global Earthquake Tracker at 13.0 against Tsunami Shield's 15.1. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Global Earthquake Tracker | Tsunami Shield |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 35 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Baris Erdem | Smart Send Australia Pty Ltd |
In-app purchases
Global Earthquake Tracker
No in-app purchases
Tsunami Shield
No in-app purchases
Questions
Is Global Earthquake Tracker free?
Is Tsunami Shield free?
Do Global Earthquake Tracker or Tsunami Shield have ads?
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