# Mass vs Vertrax Direct

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.

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 October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Mass | Vertrax Direct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/mass-finder/id802275884/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/vertrax-direct/id1482080265/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 7 MB | 46 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Solaz Dazen srl](https://appshunter.io/developer/802275887) | [BlueStreak IoT LLC](https://appshunter.io/developer/1616103988) |

## What reviewers say

### Mass

[App page](https://appshunter.io/ios/app/mass-finder/id802275884)

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.

**Highlights:** 13 preform types, 9 material types with alloys, Graphical preform representation, Metric and imperial modes, Help section, Easy to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Vertrax Direct

[App page](https://appshunter.io/ios/app/vertrax-direct/id1482080265)

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.

**Highlights:** Sonar-based tank monitoring, Real-time level visibility, Remote access, Propane supply management, Companion app functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mass free?

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

### Is Vertrax Direct free?

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

### Which has better reviews, Mass or Vertrax Direct?

Mass is rated higher. Mass averages 4.5 out of 5 from 2 ratings, while Vertrax Direct averages 3.5 from 2 ratings.

### Do Mass or Vertrax Direct have ads?

Neither Mass nor Vertrax Direct shows ads.

### Which is updated more often, Mass or Vertrax Direct?

Mass ships an update every 3 weeks, and Vertrax Direct every 5 months. Most recently, Mass was updated on October 23, 2026 and Vertrax Direct on October 13, 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.*