# Halcyon Dive Systems vs DivePlot

The clearest difference is in-app purchases: Halcyon Dive Systems at none against DivePlot's 2. DivePlot's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. DivePlot sells 2 one-off in-app purchases. Halcyon Dive Systems asks for nothing beyond the download.

Halcyon Dive Systems ships an update every 3 weeks, DivePlot fortnightly. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Halcyon Dive Systems | DivePlot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/halcyon-dive-systems-diving/id6738069654/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 162 MB | 58 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Halcyon Dive Systems](https://appshunter.io/developer/1779189368) | [Rogier Visser](https://appshunter.io/developer/672667764) |

## What reviewers say

### Halcyon Dive Systems

[App page](https://appshunter.io/ios/app/halcyon-dive-systems-diving/id6738069654)

This app helps divers log, track, and share their underwater experiences. It offers integration with dive computers, personalized settings, and a community forum for connecting with other divers.

**Highlights:** Symbios integration for dive computer settings, Detailed dive logging and progress tracking, Social logbook for sharing dive stories, Connect with a global diving community, Personalized dive tips and advice, Exclusive benefits for Halcyon owners

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

**In-app purchases:** none


### DivePlot

[App page](https://appshunter.io/ios/app/diveplot/id6786434589)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Watermark | $2.99 | one-time |
| Video Export | $3.99 | one-time |


## Frequently asked questions

### Is Halcyon Dive Systems free?

Halcyon Dive Systems is free to download, with no in-app purchases.

### Is DivePlot free?

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

### Do Halcyon Dive Systems or DivePlot have ads?

Neither Halcyon Dive Systems nor DivePlot shows ads.

### Which is updated more often, Halcyon Dive Systems or DivePlot?

Halcyon Dive Systems ships an update every 3 weeks, and DivePlot fortnightly. Most recently, Halcyon Dive Systems was updated on October 30, 2026 and DivePlot on November 1, 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.*