# Dive Plan vs Scuba Dive Signals

The clearest difference is review sentiment: Scuba Dive Signals at 100% against Dive Plan's 38%. Scuba Dive Signals also leads on rating (5.0 vs 1.8) and in-app purchases (none vs 4). Dive Plan's advantage is update cadence (every 2 months vs every 42 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Dive Plan sells 4 in-app purchases, starting at $2.99 per month. Scuba Dive Signals asks for nothing beyond the download.

Scuba Dive Signals holds the better App Store score, 5.0 against 1.8. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 38% of Dive Plan's written reviews are positive against 100% of Scuba Dive Signals's.

Dive Plan ships an update every 2 months, Scuba Dive Signals every 42 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Dive Plan | Scuba Dive Signals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (8 ratings)](https://appshunter.io/ios/app/dive-plan/id496279549/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/scuba-dive-signals/id1483856571/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | 37.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 42 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 3 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AXIS Productions](https://appshunter.io/developer/472646203) | [Eric Hamiter](https://appshunter.io/developer/1482332471) |

## What reviewers say

### Dive Plan

[App page](https://appshunter.io/ios/app/dive-plan/id496279549)

This app serves as a digital decompression table and logbook for divers. It helps calculate non-stop dive times and log dives, compatible with major diving organizations' tables. It supports both air and enriched air (nitrox) tanks.

**Highlights:** Digital decompression tables, Dive logbook, Compatibility with major diving organizations, Supports air and nitrox tanks, Practice for dive certification exams, General dive planning guide

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dive Plan Pro - Monthly | $2.99 | per month |
| Dive Plan Pro - Annual | $17.99 | per year |
| Nitrox EANX Mode | $2.99 | one-time |
| Dive Plan Pro Lifetime | $69.99 | one-time |


### 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


## Frequently asked questions

### Is Dive Plan free?

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

### Is Scuba Dive Signals free?

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

### Which has better reviews, Dive Plan or Scuba Dive Signals?

Scuba Dive Signals is rated higher. Dive Plan averages 1.8 out of 5 from 8 ratings, while Scuba Dive Signals averages 5.0 from 3 ratings.

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

Neither Dive Plan nor Scuba Dive Signals shows ads.

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

Dive Plan ships an update every 2 months, and Scuba Dive Signals every 42 months. Most recently, Dive Plan was updated on September 24, 2026 and Scuba Dive Signals on September 21, 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.*