# Scuba Dive Signals vs DiveHub

The clearest difference is update cadence: DiveHub at daily against Scuba Dive Signals's every 42 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Scuba Dive Signals ships an update every 42 months, DiveHub daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Scuba Dive Signals | DiveHub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/scuba-dive-signals/id1483856571/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Daily** |
| Monetization | Free | — |
| Size | 3 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Eric Hamiter](https://appshunter.io/developer/1482332471) | [Lars van der Wijst](https://appshunter.io/developer/6789897039) |

## What reviewers say

### Scuba Dive Signals

[App page](https://appshunter.io/ios/app/scuba-dive-signals/id1483856571)

Access a comprehensive list of underwater hand signals for safe scuba diving communication. Includes a quiz feature to test your knowledge of signals recognized by major training agencies.

**Highlights:** List of recognized dive hand signals, Signals from PADI, NAUI, SSI, Quiz feature to test knowledge, Safety communication focus, Creative Commons licensed images

**Features:** macOS Compatibility

**In-app purchases:** none


### DiveHub

[App page](https://appshunter.io/ios/app/divehub/id6789897037)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scuba Dive Signals free?

Scuba Dive Signals is free to download, with no in-app purchases.

### Is DiveHub free?

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

### Do Scuba Dive Signals or DiveHub have ads?

Neither Scuba Dive Signals nor DiveHub shows ads.

### Which is updated more often, Scuba Dive Signals or DiveHub?

Scuba Dive Signals ships an update every 42 months, and DiveHub daily. Most recently, Scuba Dive Signals was updated on November 3, 2026 and DiveHub on October 31, 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.*