# Concrete Calc Professional vs PDF Scan

The clearest difference is in-app purchases: Concrete Calc Professional at none against PDF Scan's 3. PDF Scan's advantage is update cadence (every 2 months vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scan sells 3 in-app purchases, starting at $19.99 per year. Concrete Calc Professional asks for nothing beyond the download.

Concrete Calc Professional ships an update every 12 months, PDF Scan every 2 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Concrete Calc Professional | PDF Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/concrete-calc-professional/id1197984699/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 90 MB | 34 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) | [TOKYOBAY K.K.](https://appshunter.io/developer/1512596297) |

## What reviewers say

### Concrete Calc Professional

[App page](https://appshunter.io/ios/app/concrete-calc-professional/id1197984699)

Quickly estimate concrete materials and costs for projects of any size. Supports imperial and metric units, multiple areas, and various volume calculations. Save results and email them with ease.

**Highlights:** Imperial and metric support, Full construction calculator, Enter multiple areas, Calculate with different volume sizes, Email results, Save values on exit, Calculator-style keypad

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

**In-app purchases:** none


### PDF Scan

[App page](https://appshunter.io/ios/app/pdf-scan-document-scanner/id6740241933)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $19.99 | per year |
| Annual Pro+  Subscription | $29.99 | per year |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is Concrete Calc Professional free?

Concrete Calc Professional is free to download, with no in-app purchases.

### Is PDF Scan free?

PDF Scan is free to download, with in-app purchases available.

### Do Concrete Calc Professional or PDF Scan have ads?

Both Concrete Calc Professional and PDF Scan show ads.

### Which is updated more often, Concrete Calc Professional or PDF Scan?

Concrete Calc Professional ships an update every 12 months, and PDF Scan every 2 months. Most recently, Concrete Calc Professional was updated on October 15, 2026 and PDF Scan on October 10, 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.*