# VOF Solver vs NAVHAZCHECK

The clearest difference is price: NAVHAZCHECK at Free against VOF Solver's $0.99. NAVHAZCHECK also leads on rating (4.5 vs 3.5) and update cadence (every 7 months vs every 36 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

NAVHAZCHECK is free to download; VOF Solver costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NAVHAZCHECK holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

VOF Solver ships an update every 36 months, NAVHAZCHECK every 7 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | VOF Solver | NAVHAZCHECK |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/vof-solver/id553282872/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/navhazcheck/id6478697236/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 559 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [admaDIC Rainer Schwarze & Annett Schwarze GbR](https://appshunter.io/developer/553282875) | [NAVSUP Business Systems Center (BSC)](https://appshunter.io/developer/1102534584) |

## What reviewers say

### VOF Solver

[App page](https://appshunter.io/ios/app/vof-solver/id553282872)

This app assists players in the Voltorb Flip mini-game within Pokémon HeartGold and SoulSilver. It calculates optimal moves to minimize risk and maximize rewards by analyzing row and column sums.

**Highlights:** Set row and column sums, Displays progress and solutions, Real-time risk assessment, Color-coded risk indicators, Filters and updates risk levels, Optimized for speed and memory

**Features:** Vision Pro support

**In-app purchases:** none


### NAVHAZCHECK

[App page](https://appshunter.io/ios/app/navhazcheck/id6478697236)

Access critical HAZMAT data and manage locker storage information. This tool provides essential details for hazardous materials and supports locker inventory management.

**Highlights:** HAZMAT data search, Locker storage management, Access critical information, Inventory support

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

**In-app purchases:** none


## Frequently asked questions

### Is VOF Solver free?

VOF Solver costs $0.99, with no in-app purchases.

### Is NAVHAZCHECK free?

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

### Which has better reviews, VOF Solver or NAVHAZCHECK?

NAVHAZCHECK is rated higher. VOF Solver averages 3.5 out of 5 from 4 ratings, while NAVHAZCHECK averages 4.5 from 2 ratings.

### Do VOF Solver or NAVHAZCHECK have ads?

Neither VOF Solver nor NAVHAZCHECK shows ads.

### Which is updated more often, VOF Solver or NAVHAZCHECK?

VOF Solver ships an update every 36 months, and NAVHAZCHECK every 7 months. Most recently, VOF Solver was updated on October 8, 2026 and NAVHAZCHECK on October 6, 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.*