# Construction Calculator A1 vs KS Quotation App

The clearest difference is in-app purchases: KS Quotation App at none against Construction Calculator A1's 6. KS Quotation App also leads on ads (none vs shown) and update cadence (daily vs monthly). On price and device support there is nothing between them.

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

Construction Calculator A1 ships an update monthly, KS Quotation App daily. The most recent releases landed on October 30, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | KS Quotation App |
| --- | --- | --- |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 182 MB | 27 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [GINFOMATICS PRIVATE LIMITED](https://appshunter.io/developer/1798262527) |

## 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 |


### KS Quotation App

[App page](https://appshunter.io/ios/app/ks-quotation-app/id6762720981)

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

**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 KS Quotation App free?

KS Quotation App is free to download, with no in-app purchases.

### Do Construction Calculator A1 or KS Quotation App have ads?

Construction Calculator A1 shows ads; KS Quotation App does not.

### Which is updated more often, Construction Calculator A1 or KS Quotation App?

Construction Calculator A1 ships an update monthly, and KS Quotation App daily. Most recently, Construction Calculator A1 was updated on October 30, 2026 and KS Quotation App on October 18, 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.*