# Scala Architectural Scale vs VCF Pro

The clearest difference is price: Scala Architectural Scale at Free against VCF Pro's $3.99. Scala Architectural Scale also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.6). VCF Pro's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

Scala Architectural Scale is free to download; VCF Pro costs $3.99 up front. Scala Architectural Scale sells 1 one-off in-app purchase. VCF Pro asks for nothing beyond the download.

## The numbers

| Metric | Scala Architectural Scale | VCF Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.6 (25 ratings)](https://appshunter.io/ios/app/scala-architectural-scale/id1090018333/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 1 MB | 10 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Noerah Alvi](https://appshunter.io/developer/1088349320) | [Ender ISIKLI](https://appshunter.io/developer/6789871599) |

## What reviewers say

### Scala Architectural Scale

[App page](https://appshunter.io/ios/app/scala-architectural-scale/id1090018333)

This app allows users to measure printed architectural and engineering drawings directly on their device. It supports both known and unknown scales, offering fixed and variable scale options for precise measurements. Users can also select secondary units for quick conversions.

**Highlights:** Fixed and variable scale measurement, Supports unknown drawing scales, Secondary unit conversions (metric, decimal feet, feet/inches), Adjustable measurement precision, Extensive scale options for architectural, engineering, and metric drawings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scala Full Version | $2.99 | one-time |


### VCF Pro

[App page](https://appshunter.io/ios/app/vcf-pro/id6789871597)

**In-app purchases:** none


## Frequently asked questions

### Is Scala Architectural Scale free?

Scala Architectural Scale is free to download, with in-app purchases available.

### Is VCF Pro free?

VCF Pro costs $3.99, with no in-app purchases.

### Do Scala Architectural Scale or VCF Pro have ads?

Neither Scala Architectural Scale nor VCF Pro shows ads.

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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.*