Comparison

VOF Solver vs NAVHAZCHECK

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

VOF Solver

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
Read full description

VOF Solver finds solutions for the voltorb flip game of pokemon heartgold and soulsilver and helps chosing the cell with the lowest risk of losing the game. Features: o Set the sums of coins and orbs for the rows and columns o Shows progress and the number of solutions found so far o Stop the search any time if you like o Quickly browse through the solutions o Cells are colored: green for low risk, red for high risk o Filters solutions and updates risk colors: Set the cell's coins in the solution matrix as you flip the cells in the actual game o Optimized for speed and memory usage o Small app size for quick download o Create sample data to quickly test the app

About

NAVHAZCHECK

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
Read full description

Search tool for HAZMAT data, locker storage.

Screenshots

VOF Solver2 screens
NAVHAZCHECK4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
VOF Solver versus NAVHAZCHECK: the parameters behind the verdict, then further details
ParameterVOF SolverNAVHAZCHECK
Price$0.99Free — better
Rating3.5 (4 ratings)4.5 (2 ratings) — better
Positive reviews57.1% of reviews—
Number of ratings4 — better2
Update frequencyEvery 36 monthsEvery 7 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.013.0
Further details — not scored
Size1 MB559 MB
Age rating4+4+
DeveloperadmaDIC Rainer Schwarze & Annett Schwarze GbRNAVSUP Business Systems Center (BSC)

Customer experience

VOF Solver

All ratings4 ratings
Positive25.0%
Neutral75.0%
Negative0.0%
Written reviews7 reviews
Positive57.1%
Neutral28.6%
Negative14.3%

NAVHAZCHECK

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VOF Solver

No in-app purchases

None

NAVHAZCHECK

No in-app purchases

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.

Other comparisons