# Dive Helper vs Be Underwater

The clearest difference is review sentiment: Dive Helper at 100% against Be Underwater's 0%. Dive Helper also leads on ads (none vs shown). Be Underwater's advantage is in-app purchases (none vs 3) and update cadence (every 10 days vs every 4 months). On price, monetization model and device support there is nothing between them.

Both are free to download. Dive Helper sells 3 in-app purchases, starting at $3.99 per month. Be Underwater asks for nothing beyond the download.

Dive Helper ships an update every 4 months, Be Underwater every 10 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dive Helper | Be Underwater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/be-underwater/id6762518252/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 40 MB | 45 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Vladimir Tolmachev](https://appshunter.io/developer/910001975) | [Eliana Jordan](https://appshunter.io/developer/1871934481) |

## What reviewers say

### Dive Helper

[App page](https://appshunter.io/ios/app/dive-helper/id6757749096)

This app assists divers with planning and logging their underwater excursions. It offers tools for calculating air consumption, managing gas mixtures, planning decompression, and maintaining a detailed logbook with dive site maps and notes.

**Highlights:** Air consumption calculator, Gas mixture calculations, Decompression planner, Visual dive profiles, Logbook with dive details, Dive location maps, Offline data storage

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dive Helper PRO | $3.99 | per month |
| Dive Helper Pro | $24.99 | per year |
| Dive Helper PRO | $34.99 | one-time |


### Be Underwater

[App page](https://appshunter.io/ios/app/be-underwater/id6762518252)

Discover and book dive courses, trips, and liveaboards worldwide. Compare prices, itineraries, and operators for your next underwater adventure. Find the perfect dive sites and plan your diving experiences easily.

**Highlights:** Book dive courses worldwide, Find liveaboard trips, Compare dive site destinations, Compare prices and operators, Save favorite adventures, Interactive dive map

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

**In-app purchases:** none


## Frequently asked questions

### Is Dive Helper free?

Dive Helper is free to download, with in-app purchases available.

### Is Be Underwater free?

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

### Do Dive Helper or Be Underwater have ads?

Be Underwater shows ads; Dive Helper does not.

### Which is updated more often, Dive Helper or Be Underwater?

Dive Helper ships an update every 4 months, and Be Underwater every 10 days. Most recently, Dive Helper was updated on October 20, 2026 and Be Underwater on October 24, 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.*