# Alert Diver vs Dive Converter

The clearest difference is price: Alert Diver at Free against Dive Converter's $1.99. Alert Diver also leads on iOS requirement (11.0 vs 18.6). Dive Converter's advantage is review sentiment (67% vs 25%) and update cadence (every 2 months vs every 6 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Alert Diver is free to download; Dive Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.0 for Alert Diver against 4.0 for Dive Converter. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews are what separate them: 25% of Alert Diver's written reviews are positive against 67% of Dive Converter's.

Alert Diver ships an update every 6 months, Dive Converter every 2 months. The most recent releases landed on June 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Alert Diver | Dive Converter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/alert-diver/id480608662/reviews) | [4.0 (5 ratings)](https://appshunter.io/ios/app/dive-converter/id6446218356/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 25.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 92 MB | 9 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Divers Alert Network](https://appshunter.io/developer/1482122935) | [Carsten Heinelt](https://appshunter.io/developer/1676741637) |

## 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


### Dive Converter

[App page](https://appshunter.io/ios/app/dive-converter/id6446218356)

Easily export your dive logs from Oceanic+ and SSI/mares into the Universal Dive Data Format (UDDF). This app translates dive information accurately and supports importing third-party UDDF files. It also offers features like reverse geocoding for dive locations and surface time calculation.

**Highlights:** Export Oceanic+ and SSI/mares dives to UDDF, Reverse geocoding for dive locations, Calculate surface time, Backup and restore dives, Import third-party UDDF files, Filter and merge dives

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Alert Diver free?

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

### Is Dive Converter free?

Dive Converter costs $1.99, with no in-app purchases.

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

Alert Diver and Dive Converter are both rated 4.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

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

Neither Alert Diver nor Dive Converter shows ads.

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

Alert Diver ships an update every 6 months, and Dive Converter every 2 months. Most recently, Alert Diver was updated on June 9, 2026 and Dive Converter on September 10, 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.*