# Alert Diver vs DeeperBlue.com

The clearest difference is review sentiment: DeeperBlue.com at 100% against Alert Diver's 25%. DeeperBlue.com also leads on rating (4.8 vs 4.0) and monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases there is nothing between them.

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

DeeperBlue.com holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: DeeperBlue.com has 61 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 25% of Alert Diver's written reviews are positive against 100% of DeeperBlue.com's.

Alert Diver ships an update every 6 months, DeeperBlue.com every 3 months. The most recent releases landed on June 9, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Alert Diver | DeeperBlue.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/alert-diver/id480608662/reviews) | **[4.8 (61 ratings)](https://appshunter.io/ios/app/deeperbluecom/id894987002/reviews)** |
| Number of ratings | 4 | **61** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 92 MB | 34 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Divers Alert Network](https://appshunter.io/developer/1482122935) | [DeeperBlue.com](https://appshunter.io/developer/1345475661) |

## What reviewers say

### Alert Diver

[App page](https://appshunter.io/ios/app/alert-diver/id480608662)

Explore dive industry insights, research, and safety information. Discover underwater photography, travel destinations, and marine environmental topics. This app provides valuable content for divers and enthusiasts.

**Highlights:** Dive industry research, Medical information, Dive safety guidelines, Underwater photography, Dive travel guides, Marine environmental topics

**Features:** macOS Compatibility

**In-app purchases:** none


### DeeperBlue.com

[App page](https://appshunter.io/ios/app/deeperbluecom/id894987002)

Stay informed about freediving, scuba diving, ocean advocacy, and diving travel with daily news, in-depth articles, and unbiased reviews. Access ultimate guides, watch videos, and engage with a passionate community.

**Highlights:** Daily diving journalism, Live news notifications, In-depth feature articles, Ultimate diving guides, Video of the Week, Community comments and sharing, Searchable archives

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alert Diver free?

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

### Is DeeperBlue.com free?

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

### Which has better reviews, Alert Diver or DeeperBlue.com?

DeeperBlue.com is rated higher. Alert Diver averages 4.0 out of 5 from 4 ratings, while DeeperBlue.com averages 4.8 from 61 ratings.

### Do Alert Diver or DeeperBlue.com have ads?

Neither Alert Diver nor DeeperBlue.com shows ads.

### Which is updated more often, Alert Diver or DeeperBlue.com?

Alert Diver ships an update every 6 months, and DeeperBlue.com every 3 months. Most recently, Alert Diver was updated on June 9, 2026 and DeeperBlue.com on September 5, 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.*