# Dive Shearwater vs DecoPlan

The clearest difference is ads: Dive Shearwater at none against DecoPlan's shown. Dive Shearwater also leads on iOS requirement (15.1 vs 17.0). DecoPlan's advantage is update cadence (every 2 days vs monthly). On price, 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.

Dive Shearwater ships an update monthly, DecoPlan every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Dive Shearwater | DecoPlan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (47 ratings)](https://appshunter.io/ios/app/dive-shearwater/id6751863035/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 7.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 103 MB | 61 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Shearwater Research](https://appshunter.io/developer/1164234361) | [Dmitri Plotnikov](https://appshunter.io/developer/6805156561) |

## What reviewers say

### Dive Shearwater

[App page](https://appshunter.io/ios/app/dive-shearwater/id6751863035)

This app serves as a digital dive log, allowing divers to meticulously record their underwater adventures. It features interactive maps to track explored locations and integrates with specific hardware to automatically capture dive site coordinates. Designed for simplicity and reliability, it helps divers organize records and plan future dives.

**Highlights:** Interactive dive maps, Automatic dive site coordinate capture, Streamlined user experience, Dive history tracking, Gear setup refinement, Dive planning tools

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

**In-app purchases:** none


### DecoPlan

[App page](https://appshunter.io/ios/app/decoplan/id6814515322)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dive Shearwater free?

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

### Is DecoPlan free?

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

### Do Dive Shearwater or DecoPlan have ads?

DecoPlan shows ads; Dive Shearwater does not.

### Which is updated more often, Dive Shearwater or DecoPlan?

Dive Shearwater ships an update monthly, and DecoPlan every 2 days. Most recently, Dive Shearwater was updated on October 24, 2026 and DecoPlan 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.*