# Payload Pro V vs Construction Calculator A1 Pro

The clearest difference is price: Payload Pro V at Free against Construction Calculator A1 Pro's $39.99. Construction Calculator A1 Pro's advantage is update cadence (monthly vs every 11 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Payload Pro V is free to download; Construction Calculator A1 Pro costs $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Payload Pro V ships an update every 11 months, Construction Calculator A1 Pro monthly. The most recent releases landed on October 4, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Payload Pro V | Construction Calculator A1 Pro |
| --- | --- | --- |
| Price | **Free** | $39.99 |
| Rating | — | **[4.1 (8 ratings)](https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 76.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Monthly** |
| Monetization | — | Paid |
| Size | 25 MB | 126 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Walz Scale](https://appshunter.io/developer/1288124559) | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) |

## What reviewers say

### Payload Pro V

[App page](https://appshunter.io/ios/app/payload-pro-v/id1288124560)

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Calculator A1 Pro

[App page](https://appshunter.io/ios/app/construction-calculator-a1-pro/id1587368490)

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It helps estimate material quantities, steel tonnage, and perform complex measurements with ease. Users can also generate Bills of Quantities and export reports for clients.

**Highlights:** Concrete quantity estimation, Rebar bending schedule (BBS), Feet-inches calculator, Area and volume calculations, Bill of Quantities (BOQ) export, Project organization and sharing

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Payload Pro V free?

Payload Pro V is free to download, with no in-app purchases.

### Is Construction Calculator A1 Pro free?

Construction Calculator A1 Pro costs $39.99, with no in-app purchases.

### Do Payload Pro V or Construction Calculator A1 Pro have ads?

Neither Payload Pro V nor Construction Calculator A1 Pro shows ads.

### Which is updated more often, Payload Pro V or Construction Calculator A1 Pro?

Payload Pro V ships an update every 11 months, and Construction Calculator A1 Pro monthly. Most recently, Payload Pro V was updated on October 4, 2026 and Construction Calculator A1 Pro on October 27, 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.*