# objManager vs Calculator Construction Pro

The clearest difference is price: Calculator Construction Pro at Free against objManager's $0.99. Calculator Construction Pro also leads on update cadence (every 3 days vs every 38 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Calculator Construction Pro is free to download; objManager costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

objManager ships an update every 38 months, Calculator Construction Pro every 3 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | objManager | Calculator Construction Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-construction-pro/id6451326555/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 3 MB | 3 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Stan Bugusky](https://appshunter.io/developer/1680383203) |

## What reviewers say

### objManager

[App page](https://appshunter.io/ios/app/objmanager/id464239570)

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

**In-app purchases:** none


### Calculator Construction Pro

[App page](https://appshunter.io/ios/app/calculator-construction-pro/id6451326555)

This construction calculator simplifies measurements for civil projects, asphalt work, and material quantities. It offers conversions for cubic feet, square yards, and truck loads, with ongoing updates based on user feedback.

**Highlights:** Cubic Feet conversion, Square Yards conversion, Truck Loads conversion, Asphalt calculations, Civil construction calculations, Continuous content updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is objManager free?

objManager costs $0.99, with no in-app purchases.

### Is Calculator Construction Pro free?

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

### Do objManager or Calculator Construction Pro have ads?

Neither objManager nor Calculator Construction Pro shows ads.

### Which is updated more often, objManager or Calculator Construction Pro?

objManager ships an update every 38 months, and Calculator Construction Pro every 3 days. Most recently, objManager was updated on October 1, 2026 and Calculator Construction Pro on October 6, 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.*