# RMU2 Config vs Construction Calc

The clearest difference is price: RMU2 Config at Free against Construction Calc's $7.99. RMU2 Config also leads on iOS requirement (15.6 vs 26.0). Construction Calc's advantage is update cadence (weekly vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

RMU2 Config is free to download; Construction Calc costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RMU2 Config ships an update every 3 months, Construction Calc weekly. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | RMU2 Config | Construction Calc |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 22 MB | 27 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mobiltex Data](https://appshunter.io/developer/1050682800) | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) |

## What reviewers say

### RMU2 Config

[App page](https://appshunter.io/ios/app/rmu2-config/id1216879154)

**Features:** Vision Pro support

**In-app purchases:** none


### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc/id1551464972)

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

**In-app purchases:** none


## Frequently asked questions

### Is RMU2 Config free?

RMU2 Config is free to download, with no in-app purchases.

### Is Construction Calc free?

Construction Calc costs $7.99, with no in-app purchases.

### Do RMU2 Config or Construction Calc have ads?

Neither RMU2 Config nor Construction Calc shows ads.

### Which is updated more often, RMU2 Config or Construction Calc?

RMU2 Config ships an update every 3 months, and Construction Calc weekly. Most recently, RMU2 Config was updated on October 20, 2026 and Construction Calc on October 5, 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.*