thEarthquake Tracker vs Global Seismic Data
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
thEarthquake Tracker
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.
- Real-time earthquake data
- Global coverage
- Instant notifications
- Awareness of seismic events
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Be aware of earthquakes as they happen across the world! This app shows earthquakes in real-time, and sends you a notification when they occur.
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
Screenshots
Verdict
The clearest difference is in-app purchases: Global Seismic Data at none against thEarthquake Tracker's 2. thEarthquake Tracker's advantage is update cadence (every 3 months vs every 8 months) and device support (3 vs 1). On price 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. thEarthquake Tracker sells 2 one-off in-app purchases. Global Seismic Data asks for nothing beyond the download.
thEarthquake Tracker ships an update every 3 months, Global Seismic Data every 8 months. The most recent releases landed on September 17, 2026 and June 1, 2026 respectively.
| Parameter | thEarthquake Tracker | Global Seismic Data |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 10 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | ThirdHalf.com, LLC | Global Seismic Data NZ Limited |
In-app purchases
thEarthquake Tracker
- thEarthQuake Remove Advertising$0.99
- thEarthquake Tip Jar$0.99
Global Seismic Data
No in-app purchases
