# Construction Calculator A1 vs NMPPL DPR

The clearest difference is in-app purchases: NMPPL DPR at none against Construction Calculator A1's 6. NMPPL DPR also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). On price, update cadence 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. NMPPL DPR asks for nothing beyond the download.

Construction Calculator A1 ships an update monthly, NMPPL DPR every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | NMPPL DPR |
| --- | --- | --- |
| 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 | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 182 MB | 29 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Pankaj Mathur](https://appshunter.io/developer/1490213454) |

## 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 |


### NMPPL DPR

[App page](https://appshunter.io/ios/app/nmppl-dpr/id6473505118)

**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 NMPPL DPR free?

NMPPL DPR is free to download, with no in-app purchases.

### Do Construction Calculator A1 or NMPPL DPR have ads?

Construction Calculator A1 shows ads; NMPPL DPR does not.

### Which is updated more often, Construction Calculator A1 or NMPPL DPR?

Construction Calculator A1 ships an update monthly, and NMPPL DPR every 3 weeks. Most recently, Construction Calculator A1 was updated on November 3, 2026 and NMPPL DPR on November 4, 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.*