# Vulcan Line Tools vs Bluemax

The clearest difference is update cadence: Vulcan Line Tools at every 3 weeks against Bluemax's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vulcan Line Tools ships an update every 3 weeks, Bluemax every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Vulcan Line Tools | Bluemax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/vulcan-line-tools/id1525784906/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 159 MB | 6 MB |
| Requires iOS | **16** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zachary Young](https://appshunter.io/developer/1525784908) | [Cyclops Marine Ltd](https://appshunter.io/developer/1439465275) |

## What reviewers say

### Vulcan Line Tools

[App page](https://appshunter.io/ios/app/vulcan-line-tools/id1525784906)

This utility app helps power line crews accurately measure line sag, tension, and temperature. It ensures power lines meet specifications, preventing overstress on poles and saving time and money for utilities.

**Highlights:** Measure line sag, Determine line tension, Calculate line temperature, Ensure proper line specifications, Prevent pole overstress, Save time and money

**Features:** Vision Pro support

**In-app purchases:** none


### Bluemax

[App page](https://appshunter.io/ios/app/bluemax/id6463031362)

**In-app purchases:** none


## Frequently asked questions

### Is Vulcan Line Tools free?

Vulcan Line Tools is free to download, with no in-app purchases.

### Is Bluemax free?

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

### Do Vulcan Line Tools or Bluemax have ads?

Neither Vulcan Line Tools nor Bluemax shows ads.

### Which is updated more often, Vulcan Line Tools or Bluemax?

Vulcan Line Tools ships an update every 3 weeks, and Bluemax every 4 months. Most recently, Vulcan Line Tools was updated on November 3, 2026 and Bluemax on November 3, 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.*