# ConXus vs Construction Calculator

The clearest difference is in-app purchases: ConXus at none against Construction Calculator's 1. Construction Calculator's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

ConXus ships an update every 2 months, Construction Calculator weekly. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ConXus | Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (27 ratings)](https://appshunter.io/ios/app/conxus/id891482782/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 19 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lochinvar Corporation](https://appshunter.io/developer/891482785) | [斯臻 林](https://appshunter.io/developer/6787129409) |

## What reviewers say

### ConXus

[App page](https://appshunter.io/ios/app/conxus/id891482782)

Remotely monitor and adjust boiler operating conditions and parameters from any smart device. Control set points, hot water, pump settings, and more for single boilers or multi-unit systems. Stay connected and in command of your heating system from anywhere.

**Highlights:** Remote boiler monitoring, Adjust boiler parameters, Receive status alerts, Control set points, Manage domestic hot water, Reprogram boiler functions

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator-feet/id6793801202)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $14.99 | one-time |


## Frequently asked questions

### Is ConXus free?

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

### Is Construction Calculator free?

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

### Do ConXus or Construction Calculator have ads?

Neither ConXus nor Construction Calculator shows ads.

### Which is updated more often, ConXus or Construction Calculator?

ConXus ships an update every 2 months, and Construction Calculator weekly. Most recently, ConXus was updated on October 21, 2026 and Construction Calculator on October 29, 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.*