# Construction Calculator A1 vs Strap Cost Calculator

The clearest difference is in-app purchases: Strap Cost Calculator at none against Construction Calculator A1's 6. Strap Cost Calculator also leads on ads (none vs shown) and review sentiment (100% vs 67%). Construction Calculator A1's advantage is ratings volume (29 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Construction Calculator A1 sells 6 in-app purchases, starting at $2.99 per month. Strap Cost Calculator asks for nothing beyond the download.

Strap Cost Calculator holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Construction Calculator A1 has 29 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Construction Calculator A1's written reviews are positive against 100% of Strap Cost Calculator's.

Construction Calculator A1 ships an update monthly, Strap Cost Calculator daily. Both last shipped on October 30, 2026.

## The numbers

| Metric | Construction Calculator A1 | Strap Cost Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (29 ratings)](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strap-cost-calculator/id6755212949/reviews)** |
| Number of ratings | **29** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 182 MB | 31 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Daddybug, inc](https://appshunter.io/developer/1852613132) |

## 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 |


### Strap Cost Calculator

[App page](https://appshunter.io/ios/app/strap-cost-calculator/id6755212949)

Easily compare the costs of plastic strapping based on coil size and pricing. This tool helps you find the best value for your strapping needs.

**Highlights:** Compare plastic strapping costs, Analyze different coil sizes, Evaluate pricing for value, Streamline cost analysis

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator A1 free?

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

### Is Strap Cost Calculator free?

Strap Cost Calculator is free to download, with no in-app purchases.

### Which has better reviews, Construction Calculator A1 or Strap Cost Calculator?

Strap Cost Calculator is rated higher. Construction Calculator A1 averages 4.7 out of 5 from 29 ratings, while Strap Cost Calculator averages 5.0 from 1 ratings.

### Do Construction Calculator A1 or Strap Cost Calculator have ads?

Construction Calculator A1 shows ads; Strap Cost Calculator does not.

### Which is updated more often, Construction Calculator A1 or Strap Cost Calculator?

Construction Calculator A1 ships an update monthly, and Strap Cost Calculator daily. Most recently, Construction Calculator A1 was updated on October 30, 2026 and Strap Cost Calculator on October 30, 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.*