# Mar Azul vs earthquakePR

The clearest difference is update cadence: Mar Azul at every 3 months against earthquakePR's every 6 months. Mar Azul also leads on ratings volume (31 vs 6). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Mar Azul against 5.0 for earthquakePR. That said, the two scores are not equally well evidenced: Mar Azul has 31 ratings behind it against 6, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Mar Azul ships an update every 3 months, earthquakePR every 6 months. The most recent releases landed on July 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Mar Azul | earthquakePR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (31 ratings)](https://appshunter.io/ios/app/mar-azul/id1510629798/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/earthquakepr/id1619636637/reviews) |
| Number of ratings | **31** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 54 MB | 37 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Comunidad Mar Azul Inc.](https://appshunter.io/developer/1510629797) | [James Gaudino Sanchez](https://appshunter.io/developer/1619636639) |

## What reviewers say

### Mar Azul

[App page](https://appshunter.io/ios/app/mar-azul/id1510629798)

Access the latest content, connect with an online community, and receive inspiration. Watch or listen to messages, stay updated on news and events, and share content with friends. Participate in the 5K Mar Azul movement by discovering its purpose, registering, and accessing preparation resources.

**Highlights:** Watch or listen to messages, Stay updated on news and events, Share content with friends, Join the 5K Mar Azul movement, Register for the race, Access exclusive preparation resources

**Features:** Vision Pro support

**In-app purchases:** none


### earthquakePR

[App page](https://appshunter.io/ios/app/earthquakepr/id1619636637)

This app provides real-time seismic activity information for Puerto Rico and globally. It includes an interactive map with layers for earthquakes, tsunami zones, and assembly points, along with educational content and news updates.

**Highlights:** Real-time earthquake monitoring, Interactive map with multiple layers, Earthquake Finder with search options, Routes to evacuation assembly places, Educational library on earthquakes and tsunamis, Earthquake news and updates bulletin

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mar Azul free?

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

### Is earthquakePR free?

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

### Which has better reviews, Mar Azul or earthquakePR?

Mar Azul and earthquakePR are both rated 5.0 out of 5 on the App Store, from 31 and 6 ratings respectively.

### Do Mar Azul or earthquakePR have ads?

Neither Mar Azul nor earthquakePR shows ads.

### Which is updated more often, Mar Azul or earthquakePR?

Mar Azul ships an update every 3 months, and earthquakePR every 6 months. Most recently, Mar Azul was updated on July 23, 2026 and earthquakePR on September 19, 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.*