# Fathom Dive Planner vs RuntimeX

The clearest difference is in-app purchases: RuntimeX at none against Fathom Dive Planner's 2. Fathom Dive Planner's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fathom Dive Planner sells 2 in-app purchases, starting at $6.99 per year. RuntimeX asks for nothing beyond the download.

Fathom Dive Planner ships an update daily, RuntimeX every 2 days. The most recent releases landed on September 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Fathom Dive Planner | RuntimeX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Size | 8 MB | 4 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Total Immersion](https://appshunter.io/developer/408473253) | [MATTEO GARZULANO](https://appshunter.io/developer/6777229442) |

## What reviewers say

### 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 | $6.99 | per year |
| Fathom Premium - Lifetime | $17.99 | one-time |


### RuntimeX

[App page](https://appshunter.io/ios/app/runtimex/id6777229440)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fathom Dive Planner free?

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

### Is RuntimeX free?

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

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

Neither Fathom Dive Planner nor RuntimeX shows ads.

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

Fathom Dive Planner ships an update daily, and RuntimeX every 2 days. Most recently, Fathom Dive Planner was updated on September 11, 2026 and RuntimeX on September 22, 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.*