# Construction Calculator A1 vs Hajeri Attendance Application

The clearest difference is in-app purchases: Hajeri Attendance Application at none against Construction Calculator A1's 6. Hajeri Attendance Application also leads on ads (none vs shown). On price, update cadence, 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. Hajeri Attendance Application asks for nothing beyond the download.

Construction Calculator A1 ships an update every 4 weeks, Hajeri Attendance Application monthly. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Construction Calculator A1 | Hajeri Attendance Application |
| --- | --- | --- |
| 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 | **Every 4 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 182 MB | 12 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Binary And Bricks Pvt Ltd](https://appshunter.io/developer/1587170688) | [Maha Mumbai Metro Operation Corporation Limited](https://appshunter.io/developer/1611740009) |

## What reviewers say

### Construction Calculator A1

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

This comprehensive civil engineering toolkit offers over 500 calculators for contractors, builders, and engineers. It provides instant material quantities, rebar calculations, unit conversions, and features for creating Bills of Quantities with automatic drawings and material price libraries. The app also includes educational resources and project management tools.

**Highlights:** 500+ construction calculators, Concrete, rebar, and steel calculations, Feet-inches calculator, Bill of Quantities (BOQ) generation, Automatic drawings and sketches, Material price library, Unit converter, Project organization and cloud sync

**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 |


### Hajeri Attendance Application

[App page](https://appshunter.io/ios/app/hajeri-attendance-application/id6795019720)

**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 Hajeri Attendance Application free?

Hajeri Attendance Application is free to download, with no in-app purchases.

### Do Construction Calculator A1 or Hajeri Attendance Application have ads?

Construction Calculator A1 shows ads; Hajeri Attendance Application does not.

### Which is updated more often, Construction Calculator A1 or Hajeri Attendance Application?

Construction Calculator A1 ships an update every 4 weeks, and Hajeri Attendance Application monthly. Most recently, Construction Calculator A1 was updated on November 11, 2026 and Hajeri Attendance Application on November 6, 2026.

---

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