Comparison

Tsunami US vs Earthquake Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Tsunami US

This app helps users understand their tsunami risk by providing inundation maps for the US West Coast and Hawaii. It offers information on tsunami warnings, preparedness, and links to relevant authorities.

Highlights
  • Tsunami inundation maps
  • Risk assessment for US West Coast
  • Risk assessment for Hawaii
  • Tsunami warning information
  • Preparedness guidance
  • Links to authorities
Features
Read full description

Tsunamis are amongst the deadliest natural disasters. Eighty percent of all tsunamis occur in the Pacific threatening in particular US' West Coast and Hawaii. Is your home located in a potential tsunami inundation zone? Is your workplace, your children's school, your favorite recreation spot or restaurant? Do you want to learn about tsunami warnings and how to prepare for the worst case? Tsunami - US West Coast contains the available tsunami inundation maps for California, Oregon, Washington State, and Hawaii and helps you to know your tsunami risk. It helps you to know whether you are located in a tsunami inundation zone and comes with a lot of information around tsunamis warnings, preparedness, and relevant links to authorities.

About

Earthquake Tracker

Monitor seismic activity worldwide with real-time earthquake alerts and an interactive map. Get detailed information, tsunami warnings, and historical data. Customize notifications for personalized safety.

Highlights
  • Live earthquake feed
  • Interactive world map
  • Detailed earthquake information
  • Tsunami alerts
  • Personalized notifications
  • Historical earthquake data
Features
Read full description

Earthquake Tracker delivers real-time earthquake alerts and a live quake map, powered by trusted official sources like USGS and EMSC. Whether you live in an earthquake zone, are traveling, or simply want to stay informed, get instant notifications the moment seismic activity happens near you or anywhere in the world. LIVE EARTHQUAKE FEED - Real-time updates on the latest earthquakes worldwide - Filter by magnitude, distance, and time - Detailed event pages: magnitude, depth, epicenter, and felt reports INSTANT ALERTS & WARNINGS - Push notifications tailored to your location - Set custom alert thresholds by magnitude and radius - Tsunami warnings for coastal threats INTERACTIVE QUAKE MAP - Color-coded markers by magnitude on a live map - See earthquakes near me at a glance - Zoom into any region: California, Japan, Turkey, Mexico, and more HISTORY & DATA - Browse a rich earthquake catalog and aftershock sequences - Track seismic activity trends over time - Share earthquake details with family and friends in one tap WIDGETS & MORE - Home screen widgets with the latest quakes - Dark mode support - Lightweight, fast, and easy to use WHY EARTHQUAKE TRACKER? Seconds matter during an earthquake. Our alert system is built for speed and reliability, so you and your loved ones can react quickly and stay safe. Join users around the world who trust Earthquake Tracker as their earthquake monitor and early information companion. Download Earthquake Tracker now and never be caught off guard by seismic activity again. • Privacy policy: https://sites.google.com/view/earthquaketracker/privacy-policy • Terms of use: https://sites.google.com/view/earthquaketracker/terms-of-service

Screenshots

Tsunami US4 screens
Earthquake Tracker3 screens

Verdict

The call

The clearest difference is rating: Earthquake Tracker at 4.5 against Tsunami US's 2.8. Earthquake Tracker also leads on update cadence (every 2 weeks vs every 3 months) and review sentiment (75% vs 50%). Tsunami US's advantage is in-app purchases (none vs 3) and iOS requirement (9.0 vs 17.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Earthquake Tracker sells 3 in-app purchases, starting at $3.99 per 7 days. Tsunami US asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Earthquake Tracker holds the better App Store score, 4.5 against 2.8. Both are backed by a comparable volume of ratings — 17 and 77 respectively. Written reviews point the same way: 50% of Tsunami US's written reviews are positive against 75% of Earthquake Tracker's.

UpkeepUpdate frequency

Tsunami US ships an update every 3 months, Earthquake Tracker every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
Tsunami US versus Earthquake Tracker: the parameters behind the verdict, then further details
ParameterTsunami USEarthquake Tracker
PriceFreeFree
Rating2.8 (17 ratings)4.5 (77 ratings) — better
Positive reviews50.0% of reviews75.0% of reviews — better
Number of ratings1777 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better17.0
Further details — not scored
Size41 MB45 MB
Age rating4+4+
DeveloperMatthias HacklMetin Atalay

Customer experience

Tsunami US

All ratings17 ratings
Positive41.2%
Neutral17.6%
Negative41.2%
Written reviews8 reviews
Positive50.0%
Neutral12.5%
Negative37.5%

Earthquake Tracker

All ratings77 ratings
Positive88.3%
Neutral3.9%
Negative7.8%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Tsunami US

No in-app purchases

3 purchases

Earthquake Tracker

Subscriptions3
  • All Access$3.997 Days
  • All Access$6.991 Month
  • All Access$12.991 Year

Questions

Is Tsunami US free?
Tsunami US is free to download, with no in-app purchases.
Is Earthquake Tracker free?
Earthquake Tracker is free to download, with in-app purchases available.
Which has better reviews, Tsunami US or Earthquake Tracker?
Earthquake Tracker is rated higher. Tsunami US averages 2.8 out of 5 from 17 ratings, while Earthquake Tracker averages 4.5 from 77 ratings.
Do Tsunami US or Earthquake Tracker have ads?
Neither Tsunami US nor Earthquake Tracker shows ads.
Which is updated more often, Tsunami US or Earthquake Tracker?
Tsunami US ships an update every 3 months, and Earthquake Tracker every 2 weeks. Most recently, Tsunami US was updated on October 24, 2026 and Earthquake Tracker on October 25, 2026.

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