# V vs MyFathom

The clearest difference is price: MyFathom at Free against V's $48.99. MyFathom also leads on iOS requirement (11.0 vs 17.6). V's advantage is update cadence (every 3 months vs every 13 months). On ads, in-app purchases and device support there is nothing between them.

MyFathom is free to download; V costs $48.99 up front. Neither carries in-app purchases, so what you see is what you pay.

V ships an update every 3 months, MyFathom every 13 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | V | MyFathom |
| --- | --- | --- |
| Price | $48.99 | **Free** |
| Rating | **[4.1 (7 ratings)](https://appshunter.io/ios/app/v-planner/id301978860/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 67.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Monetization | Paid | — |
| Size | 3 MB | 35 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HHS Software Corp.](https://appshunter.io/developer/301978863) | [FATHOM Dive Systems, LLC](https://appshunter.io/developer/1707099627) |

## What reviewers say

### V

[App page](https://appshunter.io/ios/app/v-planner/id301978860)

This app is a dive decompression calculator for technical scuba divers, implementing the VPM decompression model. It supports various gas mixes, planning methods for open circuit and rebreathers, and includes detailed dive planning tools and a gas blending utility.

**Highlights:** VPM-B and VPM-B/E decompression models, Support for nitrox and trimix gases, OC and CCR planning, Bailout planning for CCR, ppO2, END, and gas consumption details, Dive planning tools (best mix, MOD, END, EAD), Gas blending utility

**In-app purchases:** none


### MyFathom

[App page](https://appshunter.io/ios/app/myfathom/id6466220916)

**In-app purchases:** none


## Frequently asked questions

### Is V free?

V costs $48.99, with no in-app purchases.

### Is MyFathom free?

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

### Do V or MyFathom have ads?

Neither V nor MyFathom shows ads.

### Which is updated more often, V or MyFathom?

V ships an update every 3 months, and MyFathom every 13 months. Most recently, V was updated on September 21, 2026 and MyFathom on September 9, 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.*