Global Seismic Data vs SeismicityAlert
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Global Seismic Data
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The official Global Seismic Data app. Earthquakes are a global hazard which pose a threat to life and cause significant business interruption and social upheaval. Protect lives and reduce recovery costs by using our Structural Health Monitoring System. Visit www.gsdhq.io for more information. App features: • Structural Health Monitoring service for our customers • View large datasets of earthquakes and aftershocks • Receive customised notifications for earthquakes • Send felt reports or ‘I am safe’ messages to family/friends after an earthquake occurs
SeismicityAlert
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.
- Seismic event summaries
- Event magnitude, time, and location overview
- Map-based visualization
- Secure login for authorized users
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SeismicityAlert is a mobile application designed for enterprise users to review seismic event reports. The app provides access to summarized earthquake event notifications generated within industrial monitoring projects, including induced seismicity and subsurface operations. Features: • Seismic event summaries • Event magnitude, time, and location overview • Map-based visualization • Secure login for authorized users SeismicityAlert is intended for licensed business users.
Screenshots
Verdict
The clearest difference is update cadence: SeismicityAlert at fortnightly against Global Seismic Data's every 8 months. SeismicityAlert also leads on iOS requirement (15.6 vs 17.0). 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.
Global Seismic Data ships an update every 8 months, SeismicityAlert fortnightly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.
| Parameter | Global Seismic Data | SeismicityAlert |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 8 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 26 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Global Seismic Data NZ Limited | SensorEra Inc |
In-app purchases
Global Seismic Data
No in-app purchases
SeismicityAlert
No in-app purchases
Questions
Is Global Seismic Data free?
Is SeismicityAlert free?
Do Global Seismic Data or SeismicityAlert have ads?
Which is updated more often, Global Seismic Data or SeismicityAlert?
Other comparisons
