Mass vs Vertrax Direct
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mass
This utility app calculates the mass of metal and plastic preforms directly on the field. It supports various preform and material types, offering metric and imperial measurement modes for convenience.
- 13 preform types
- 9 material types with alloys
- Graphical preform representation
- Metric and imperial modes
- Help section
- Easy to use
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Mass-Finder is designed to calculate the mass of metal and plastic preforms while on the field. Features: - 13 different preform types - 9 material types, each with it’s own alloy types - Graphical representation for each preform type - Help section - Metric and imperial measurement modes - Easy to use - Free updates If you have any suggestions or find any bugs, please send us an email at contact@solazdazen.com
Vertrax Direct
Monitor propane tank levels remotely using advanced sonar technology. This companion app provides real-time access to your tank's status from anywhere, ensuring you always know your supply.
- Sonar-based tank monitoring
- Real-time level visibility
- Remote access
- Propane supply management
- Companion app functionality
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The industry’s only true sonar based tank monitoring service. This companion app is to be used in conjunction with the Vertrax Tank Monitoring Service. This application allows the user to see the levels of propane in their tank at any time and anywhere.
Screenshots
Verdict
The clearest difference is rating: Mass at 4.5 against Vertrax Direct's 3.5. Mass also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (8.0 vs 15.1). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Mass holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
Mass ships an update every 3 weeks, Vertrax Direct every 5 months. The most recent releases landed on June 7, 2026 and September 10, 2026 respectively.
| Parameter | Mass | Vertrax Direct |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | 3.5 (2 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 7 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | SOLAZ DAZEN S.R.L. | BlueStreak IoT LLC |
Customer experience
Mass
Vertrax Direct
In-app purchases
Mass
No in-app purchases
Vertrax Direct
No in-app purchases
Questions
Is Mass free?
Is Vertrax Direct free?
Which has better reviews, Mass or Vertrax Direct?
Do Mass or Vertrax Direct have ads?
Which is updated more often, Mass or Vertrax Direct?
Other comparisons
