# Construction Calculator A1 vs Roluos Agent

The clearest difference is ads: Roluos Agent at none against Construction Calculator A1's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Construction Calculator A1 ships an update every 3 weeks, Roluos Agent every 2 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | Roluos Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (23 ratings)](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 160 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Luma System Co., Ltd.](https://appshunter.io/developer/1562801359) |

## What reviewers say

### Construction Calculator A1

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

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It offers material quantity estimation, unit conversion, and professional features like BOQ export and project organization. Designed for contractors, builders, and engineers on job sites worldwide.

**Highlights:** Concrete material quantity calculation, Rebar bending schedule and weight calculation, Feet-inch arithmetic without decimal conversion, Area and volume calculations for 15+ shapes, Construction-specific unit conversions, Bill of Quantities (BOQ) export to PDF/Excel, Save and organize calculations by project

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

**In-app purchases:** none


### Roluos Agent

[App page](https://appshunter.io/ios/app/roluos-agent/id6741190079)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator A1 free?

Construction Calculator A1 is free to download, with no in-app purchases.

### Is Roluos Agent free?

Roluos Agent is free to download, with no in-app purchases.

### Do Construction Calculator A1 or Roluos Agent have ads?

Construction Calculator A1 shows ads; Roluos Agent does not.

### Which is updated more often, Construction Calculator A1 or Roluos Agent?

Construction Calculator A1 ships an update every 3 weeks, and Roluos Agent every 2 weeks. Most recently, Construction Calculator A1 was updated on September 10, 2026 and Roluos Agent on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*