# ZDive vs Dive Toolbox

The clearest difference is in-app purchases: ZDive at none against Dive Toolbox's 2. Dive Toolbox's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dive Toolbox sells 2 in-app purchases, starting at $5.99 per month. ZDive asks for nothing beyond the download.

ZDive ships an update every 4 days, Dive Toolbox every 6 days. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | ZDive | Dive Toolbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zdive/id6742788878/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | Free | — |
| Size | 17 MB | 33 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZYORK SOFTWARE LLC](https://appshunter.io/developer/1799979057) | [Onosia](https://appshunter.io/developer/1880704645) |

## What reviewers say

### ZDive

[App page](https://appshunter.io/ios/app/zdive/id6742788878)

This app transforms your Apple Watch into a professional dive companion, offering real-time tracking, decompression algorithms, and advanced analytics. Plan your dives, optimize gas mixtures, and manage your diver profile with comprehensive tools for both recreational and technical diving.

**Highlights:** Real-time dive tracking, Decompression algorithms, Dive planning suite, Breathing trainer, Live Activities & Widgets, CloudKit backup and sync

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Dive Toolbox

[App page](https://appshunter.io/ios/app/dive-toolbox/id6759796903)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is ZDive free?

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

### Is Dive Toolbox free?

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

### Do ZDive or Dive Toolbox have ads?

Neither ZDive nor Dive Toolbox shows ads.

### Which is updated more often, ZDive or Dive Toolbox?

ZDive ships an update every 4 days, and Dive Toolbox every 6 days. Most recently, ZDive was updated on September 25, 2026 and Dive Toolbox on September 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.*