# V vs iHFIE

The clearest difference is price: iHFIE at Free against V's $48.99. iHFIE also leads on iOS requirement (13.0 vs 17.6). V's advantage is update cadence (every 3 months vs every 15 months). On ads, in-app purchases and device support there is nothing between them.

iHFIE 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, iHFIE every 15 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | V | iHFIE |
| --- | --- | --- |
| 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 15 months |
| Monetization | Paid | — |
| Size | 3 MB | 89 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HHS Software Corp.](https://appshunter.io/developer/301978863) | [Chengdu E-Linter Information Technology Co., Ltd.](https://appshunter.io/developer/1149235329) |

## 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


### iHFIE

[App page](https://appshunter.io/ios/app/ihfie/id6670754261)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is V free?

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

### Is iHFIE free?

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

### Do V or iHFIE have ads?

Neither V nor iHFIE shows ads.

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

V ships an update every 3 months, and iHFIE every 15 months. Most recently, V was updated on September 21, 2026 and iHFIE on September 12, 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.*