# datasurfr vs SeismicityAlert

The clearest difference is update cadence: SeismicityAlert at fortnightly against datasurfr's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

datasurfr ships an update every 2 months, SeismicityAlert fortnightly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | datasurfr | SeismicityAlert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/seismicityalert/id6758901471/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 29 MB | 58 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mitkat Advisory Services pvt.Ltd](https://appshunter.io/developer/1600875467) | [SensorEra Inc](https://appshunter.io/developer/1873603743) |

## What reviewers say

### datasurfr

[App page](https://appshunter.io/ios/app/datasurfr/id6740094424)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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 datasurfr free?

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

### Is SeismicityAlert free?

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

### Do datasurfr or SeismicityAlert have ads?

Neither datasurfr nor SeismicityAlert shows ads.

### Which is updated more often, datasurfr or SeismicityAlert?

datasurfr ships an update every 2 months, and SeismicityAlert fortnightly. Most recently, datasurfr was updated on October 7, 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.*