# V vs Nitrox Blender & Calculator

The clearest difference is price: Nitrox Blender & Calculator at $0.99 against V's $48.99. Nitrox Blender & Calculator also leads on review sentiment (100% vs 68%) and rating (4.5 vs 4.1). V's advantage is update cadence (every 3 months vs every 9 months) and ratings volume (7 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

V costs $48.99 and Nitrox Blender & Calculator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nitrox Blender & Calculator holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 68% of V's written reviews are positive against 100% of Nitrox Blender & Calculator's.

V ships an update every 3 months, Nitrox Blender & Calculator every 9 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | V | Nitrox Blender & Calculator |
| --- | --- | --- |
| Price | $48.99 | **$0.99** |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/v-planner/id301978860/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/nitrox-blender-and-calculator/id986513867/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 67.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 3 MB | 85 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HHS Software Corp.](https://appshunter.io/developer/301978863) | [ComputerWare](https://appshunter.io/developer/475216885) |

## 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


### Nitrox Blender & Calculator

[App page](https://appshunter.io/ios/app/nitrox-blender-and-calculator/id986513867)

This app helps divers plan their dives by calculating maximum operating depth, optimal oxygen percentage, and equivalent air depth. It also assists in gas mixing for filling tanks, determining the required mix or the resulting blend.

**Highlights:** Calculate MOD, Calculate optimal oxygen percentage, Calculate equivalent air depth, Gas mixing calculations for tank fills, Determine required mix for desired blend, Calculate resulting mix from existing blend

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

**In-app purchases:** none


## Frequently asked questions

### Is V free?

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

### Is Nitrox Blender & Calculator free?

Nitrox Blender & Calculator costs $0.99, with no in-app purchases.

### Which has better reviews, V or Nitrox Blender & Calculator?

Nitrox Blender & Calculator is rated higher. V averages 4.1 out of 5 from 7 ratings, while Nitrox Blender & Calculator averages 4.5 from 2 ratings.

### Do V or Nitrox Blender & Calculator have ads?

Neither V nor Nitrox Blender & Calculator shows ads.

### Which is updated more often, V or Nitrox Blender & Calculator?

V ships an update every 3 months, and Nitrox Blender & Calculator every 9 months. Most recently, V was updated on October 22, 2026 and Nitrox Blender & Calculator on October 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.*