# Global Seismic Data vs QuakeSafe Dam

Global Seismic Data and QuakeSafe Dam are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Global Seismic Data | QuakeSafe Dam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quakesafe-dam/id6739592421/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | — | Free |
| Size | 26 MB | 65 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Global Seismic Data NZ Limited](https://appshunter.io/developer/1469156236) | [John Nguyen](https://appshunter.io/developer/1573137293) |

## What reviewers say

### Global Seismic Data

[App page](https://appshunter.io/ios/app/global-seismic-data/id1469156237)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuakeSafe Dam

[App page](https://appshunter.io/ios/app/quakesafe-dam/id6739592421)

This app offers real-time monitoring of California dams and assesses their earthquake vulnerability. It provides engineers, residents, and safety planners with accurate data on seismic events and dam conditions to ensure preparedness.

**Highlights:** Interactive map of dams and seismic events, Detailed dam profiles, Seismic impact assessments, Customizable alerts, Reliable data sources (USGS, NID)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Global Seismic Data free?

Global Seismic Data is free to download, with no in-app purchases.

### Is QuakeSafe Dam free?

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

### Do Global Seismic Data or QuakeSafe Dam have ads?

Neither Global Seismic Data nor QuakeSafe Dam shows ads.

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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.*