# Construction Calculator A1 vs LFA Roofs Pro

The clearest difference is ads: LFA Roofs Pro at none against Construction Calculator A1's shown. LFA Roofs Pro also leads on update cadence (every 4 days vs monthly). Construction Calculator A1's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Construction Calculator A1 sells 6 in-app purchases, starting at $2.99 per month and LFA Roofs Pro sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Construction Calculator A1 ships an update monthly, LFA Roofs Pro every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | LFA Roofs Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 182 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Lorenzo Francisco Almonte](https://appshunter.io/developer/6782756160) |

## What reviewers say

### Construction Calculator A1

[App page](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051)

This comprehensive tool offers over 500 construction calculators, from basic material quantities to complex bills of quantities. It generates automatic drawings, manages material prices, and provides learning resources for civil engineers and contractors.

**Highlights:** 500+ construction calculators, Concrete, rebar, and steel calculations, Feet-inch calculator, Bill of Quantities (BOQ), Automatic drawings, Material price library, Unit converter

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro access monthly subscription | $2.99 | per month |
| Pro access yearly subscription | $24.99 | per year |
| 100 AI Credits | $0.99 | one-time |
| 500 AI credits | $3.99 | one-time |
| 500 AI credits | $9.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### LFA Roofs Pro

[App page](https://appshunter.io/ios/app/lfa-roofs-pro/id6816564977)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LFA Roofs Pro Monthly | $2.99 | per month |
| LFA Roofs Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Construction Calculator A1 free?

Construction Calculator A1 is free to download, with in-app purchases available.

### Is LFA Roofs Pro free?

LFA Roofs Pro is free to download, with in-app purchases available.

### Do Construction Calculator A1 or LFA Roofs Pro have ads?

Construction Calculator A1 shows ads; LFA Roofs Pro does not.

### Which is updated more often, Construction Calculator A1 or LFA Roofs Pro?

Construction Calculator A1 ships an update monthly, and LFA Roofs Pro every 4 days. Most recently, Construction Calculator A1 was updated on November 7, 2026 and LFA Roofs Pro on October 31, 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.*