# Construction Calculator A1 vs Triangle Angles Calculator

The clearest difference is ads: Triangle Angles Calculator at none against Construction Calculator A1's shown. Triangle Angles Calculator also leads on review sentiment (100% vs 67%) and update cadence (every 3 days vs every 4 weeks). Construction Calculator A1's advantage is ratings volume (26 vs 1). On price, 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.

Triangle Angles Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Construction Calculator A1 has 26 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 Triangle Angles Calculator's.

Construction Calculator A1 ships an update every 4 weeks, Triangle Angles Calculator every 3 days. The most recent releases landed on September 30, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | Triangle Angles Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (26 ratings)](https://appshunter.io/ios/app/construction-calculator-a1/id1589484051/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708/reviews)** |
| Number of ratings | **26** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Ad-supported | **Free** |
| Size | 161 MB | 28 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Dmitriy Trofimov](https://appshunter.io/developer/1598378710) |

## 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


### Triangle Angles Calculator

[App page](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708)

Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.

**Highlights:** Calculate unknown triangle parameters from 2-3 known values, Interactive visualization of triangle types, Real-time calculations with intuitive interface, Offline functionality, Supports metric and imperial units, Calculates sides, angles, area, perimeter, medians, and circles

**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 no in-app purchases.

### Is Triangle Angles Calculator free?

Triangle Angles Calculator is free to download, with no in-app purchases.

### Which has better reviews, Construction Calculator A1 or Triangle Angles Calculator?

Triangle Angles Calculator is rated higher. Construction Calculator A1 averages 4.8 out of 5 from 26 ratings, while Triangle Angles Calculator averages 5.0 from 1 ratings.

### Do Construction Calculator A1 or Triangle Angles Calculator have ads?

Construction Calculator A1 shows ads; Triangle Angles Calculator does not.

### Which is updated more often, Construction Calculator A1 or Triangle Angles Calculator?

Construction Calculator A1 ships an update every 4 weeks, and Triangle Angles Calculator every 3 days. Most recently, Construction Calculator A1 was updated on September 30, 2026 and Triangle Angles Calculator on September 26, 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.*