# thEarthquake Tracker vs SeismicityAlert

The clearest difference is rating: SeismicityAlert at 5.0 against thEarthquake Tracker's 3.0. SeismicityAlert also leads on in-app purchases (none vs 2) and update cadence (fortnightly vs every 3 months). thEarthquake Tracker's advantage is iOS requirement (13.0 vs 15.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. thEarthquake Tracker sells 2 one-off in-app purchases. SeismicityAlert asks for nothing beyond the download.

SeismicityAlert holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

thEarthquake Tracker ships an update every 3 months, SeismicityAlert fortnightly. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | thEarthquake Tracker | SeismicityAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/thearthquake-tracker/id1090616122/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/seismicityalert/id6758901471/reviews)** |
| Number of ratings | 2 | **3** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 58 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ThirdHalf.com, LLC](https://appshunter.io/developer/914115418) | [SensorEra Inc](https://appshunter.io/developer/1873603743) |

## What reviewers say

### thEarthquake Tracker

[App page](https://appshunter.io/ios/app/thearthquake-tracker/id1090616122)

Stay informed about global seismic activity with real-time earthquake updates. Receive instant notifications when tremors occur, ensuring you're always aware of potential hazards.

**Highlights:** Real-time earthquake data, Global coverage, Instant notifications, Awareness of seismic events

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| thEarthQuake Remove Advertising | $0.99 | one-time |
| thEarthquake Tip Jar | $0.99 | one-time |


### SeismicityAlert

[App page](https://appshunter.io/ios/app/seismicityalert/id6758901471)

This application provides enterprise users with summarized seismic event notifications from industrial monitoring projects. It offers a map-based visualization of earthquake events, including magnitude, time, and location details. Access is secured through a login for authorized business users.

**Highlights:** Seismic event summaries, Event magnitude, time, and location overview, Map-based visualization, Secure login for authorized users

**In-app purchases:** none


## Frequently asked questions

### Is thEarthquake Tracker free?

thEarthquake Tracker is free to download, with in-app purchases available.

### Is SeismicityAlert free?

SeismicityAlert is free to download, with no in-app purchases.

### Which has better reviews, thEarthquake Tracker or SeismicityAlert?

SeismicityAlert is rated higher. thEarthquake Tracker averages 3.0 out of 5 from 2 ratings, while SeismicityAlert averages 5.0 from 3 ratings.

### Do thEarthquake Tracker or SeismicityAlert have ads?

Neither thEarthquake Tracker nor SeismicityAlert shows ads.

### Which is updated more often, thEarthquake Tracker or SeismicityAlert?

thEarthquake Tracker ships an update every 3 months, and SeismicityAlert fortnightly. Most recently, thEarthquake Tracker was updated on October 4, 2026 and SeismicityAlert on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*