# Dive Log vs Alert Diver

The clearest difference is review sentiment: Dive Log at 84% against Alert Diver's 25%. Dive Log also leads on rating (4.7 vs 4.0) and update cadence (monthly vs every 6 months). Alert Diver's advantage is price (Free vs $14.99) and in-app purchases (none vs 13). On ads, monetization model and device support there is nothing between them.

Alert Diver is free to download; Dive Log costs $14.99 up front. Dive Log sells 11 one-off in-app purchases. Alert Diver asks for nothing beyond the download.

Dive Log holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Dive Log has 106 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 84% of Dive Log's written reviews are positive against 25% of Alert Diver's.

Dive Log ships an update monthly, Alert Diver every 6 months. The most recent releases landed on October 1, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Dive Log | Alert Diver |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.7 (106 ratings)](https://appshunter.io/ios/app/dive-log/id301049600/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/alert-diver/id480608662/reviews) |
| Number of ratings | **106** | 4 |
| Positive reviews | **83.7% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#71** | — |
| Size | 33 MB | 92 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Greg Mclaughlin](https://appshunter.io/developer/284919983) | [Divers Alert Network](https://appshunter.io/developer/1482122935) |

## What reviewers say

### Dive Log

[App page](https://appshunter.io/ios/app/dive-log/id301049600)

**Currently charting:** #71 Top Paid · Sports (US App Store)

Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.

**Highlights:** SCUBA diving logbook, GPS coordinate capture, Dive buddy integration, Dive data and statistics, Metric and Imperial units, Dive computer data import, Bluetooth LE transfer

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Suunto Bluetooth Download | $2.99 | one-time |
| Mares Bluetooth Download | $2.99 | one-time |
| Crest Bluetooth Download | $2.99 | one-time |
| Shearwater Download | $2.99 | one-time |
| bluebuddy Download | $2.99 | one-time |
| SCUBAPRO Download | $2.99 | one-time |
| Pelagic Bluetooth Download | $2.99 | one-time |
| Cressi Bluetooth Download | $2.99 | one-time |
| Ratio Bluetooth Download | $2.99 | one-time |
| Halcyon Bluetooth Download | $2.99 | one-time |
| DCbuddy Support | $4.99 | one-time |


### 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


## Frequently asked questions

### Is Dive Log free?

Dive Log costs $14.99, and also offers in-app purchases.

### Is Alert Diver free?

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

### Which has better reviews, Dive Log or Alert Diver?

Dive Log is rated higher. Dive Log averages 4.7 out of 5 from 106 ratings, while Alert Diver averages 4.0 from 4 ratings.

### Do Dive Log or Alert Diver have ads?

Neither Dive Log nor Alert Diver shows ads.

### Which is updated more often, Dive Log or Alert Diver?

Dive Log ships an update monthly, and Alert Diver every 6 months. Most recently, Dive Log was updated on October 1, 2026 and Alert Diver on June 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.*