# Dive Toolbox vs Fathom Dive Planner

The clearest difference is update cadence: Fathom Dive Planner at every 2 days against Dive Toolbox's every 6 days. Dive Toolbox's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases 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 and Fathom Dive Planner sells 2 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

Dive Toolbox ships an update every 6 days, Fathom Dive Planner every 2 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dive Toolbox | Fathom Dive Planner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 33 MB | 8 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Onosia](https://appshunter.io/developer/1880704645) | [Total Immersion](https://appshunter.io/developer/408473253) |

## What reviewers say

### 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 |


### Fathom Dive Planner

[App page](https://appshunter.io/ios/app/fathom-dive-planner/id6775766574)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fathom Premium - Annual | $2.99 | per year |
| Fathom Premium - Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Dive Toolbox free?

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

### Is Fathom Dive Planner free?

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

### Do Dive Toolbox or Fathom Dive Planner have ads?

Neither Dive Toolbox nor Fathom Dive Planner shows ads.

### Which is updated more often, Dive Toolbox or Fathom Dive Planner?

Dive Toolbox ships an update every 6 days, and Fathom Dive Planner every 2 days. Most recently, Dive Toolbox was updated on November 9, 2026 and Fathom Dive Planner on November 5, 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.*