# Buxus vs Cathodic Protection Calculator

The clearest difference is rating: Cathodic Protection Calculator at 5.0 against Buxus's 3.7. Cathodic Protection Calculator also leads on update cadence (weekly vs every 6 weeks). Buxus's advantage is in-app purchases (none vs 1) and ratings volume (19 vs 5). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cathodic Protection Calculator sells 1 one-off in-app purchase. Buxus asks for nothing beyond the download.

Cathodic Protection Calculator holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 19 and 5 respectively.

Buxus ships an update every 6 weeks, Cathodic Protection Calculator weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Buxus | Cathodic Protection Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (19 ratings)](https://appshunter.io/ios/app/buxus/id1561655680/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cathodic-protection-calculator/id6498471281/reviews)** |
| Number of ratings | **19** | 5 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 530 MB | 127 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Sander Resources, L.L.C.](https://appshunter.io/developer/1537002754) | [Ell Engineering LLC](https://appshunter.io/developer/1741659303) |

## What reviewers say

### Buxus

[App page](https://appshunter.io/ios/app/buxus/id1561655680)

Access critical pipeline operator information, including emergency contacts, products transported, and hazard identification. This app helps emergency responders and the public understand and interact with local pipeline infrastructure.

**Highlights:** Emergency contact information, Products transported details, Hazard identification, Response guidance, Information request from operators, User reporting of critical information

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

**In-app purchases:** none


### Cathodic Protection Calculator

[App page](https://appshunter.io/ios/app/cathodic-protection-calculator/id6498471281)

This app provides over 150 calculations for cathodic protection, covering testing, electrodes, resistivity, and current requirements. It supports both Metric and Imperial units, with a premium version offering advanced features.

**Highlights:** 150+ Cathodic Protection Calculations, Metric & Imperial Units, Cathodic Protection Testing, Reference Electrodes, Soil Resistivity, Structure Current Requirements, Anode Sizing & Lifespan

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $9.99 | one-time |


## Frequently asked questions

### Is Buxus free?

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

### Is Cathodic Protection Calculator free?

Cathodic Protection Calculator is free to download, with in-app purchases available.

### Which has better reviews, Buxus or Cathodic Protection Calculator?

Cathodic Protection Calculator is rated higher. Buxus averages 3.7 out of 5 from 19 ratings, while Cathodic Protection Calculator averages 5.0 from 5 ratings.

### Do Buxus or Cathodic Protection Calculator have ads?

Neither Buxus nor Cathodic Protection Calculator shows ads.

### Which is updated more often, Buxus or Cathodic Protection Calculator?

Buxus ships an update every 6 weeks, and Cathodic Protection Calculator weekly. Most recently, Buxus was updated on November 3, 2026 and Cathodic Protection Calculator on November 4, 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.*