# Scuba Dive Signals vs Flaska

The clearest difference is update cadence: Flaska at every 2 months against Scuba Dive Signals's every 42 months. Flaska also leads on iOS requirement (13.0 vs 15.0). 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, Flaska every 2 months. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Scuba Dive Signals | Flaska |
| --- | --- | --- |
| 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 | **Every 2 months** |
| Monetization | Free | — |
| Size | 3 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eric Hamiter](https://appshunter.io/developer/1482332471) | [Kastelo AB](https://appshunter.io/developer/324516389) |

## 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


### Flaska

[App page](https://appshunter.io/ios/app/flaska/id1546916397)

**Features:** macOS Compatibility

**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 Flaska free?

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

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

Neither Scuba Dive Signals nor Flaska shows ads.

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

Scuba Dive Signals ships an update every 42 months, and Flaska every 2 months. Most recently, Scuba Dive Signals was updated on October 8, 2026 and Flaska on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*