# Construction Calc Pro 7 vs Bolster

The clearest difference is rating: Construction Calc Pro 7 at 4.3 against Bolster's 3.0. Construction Calc Pro 7 also leads on review sentiment (25% vs 0%) and ratings volume (28 vs 2). Bolster's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Construction Calc Pro 7 sells 1 one-off in-app purchase. Bolster asks for nothing beyond the download.

Construction Calc Pro 7 holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Construction Calc Pro 7 has 28 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Construction Calc Pro 7's written reviews are positive against 0% of Bolster's.

Construction Calc Pro 7 ships an update every 2 months, Bolster monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Construction Calc Pro 7 | Bolster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (28 ratings)](https://appshunter.io/ios/app/construction-calc-pro-7/id1419339827/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/bolster-construction-app/id6502292781/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 88 MB | 137 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Troy Knight](https://appshunter.io/developer/1419339802) | [Cost Certified](https://appshunter.io/developer/1306012170) |

## What reviewers say

### Construction Calc Pro 7

[App page](https://appshunter.io/ios/app/construction-calc-pro-7/id1419339827)

This app offers a comprehensive suite of 82 construction calculators for various tasks like concrete, drywall, and roofing. It allows measurements in both imperial and metric units and features a high-visibility display for use in direct sunlight.

**Highlights:** 82 construction calculators, Imperial and metric measurements, High visibility display, Aggregate, asphalt, concrete calculations, Drywall, flooring, framing tools, Paint, rafter, roofing calculators

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium ad-free version | $3.99 | one-time |


### Bolster

[App page](https://appshunter.io/ios/app/bolster-construction-app/id6502292781)

Streamline construction project management with this comprehensive tool. Track progress, manage tasks, and collaborate with your team efficiently. Designed for contractors to simplify daily operations and improve project oversight.

**Highlights:** Project management, Task tracking, Team collaboration, Mobile enhancements, iPad updates

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calc Pro 7 free?

Construction Calc Pro 7 is free to download, with in-app purchases available.

### Is Bolster free?

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

### Which has better reviews, Construction Calc Pro 7 or Bolster?

Construction Calc Pro 7 is rated higher. Construction Calc Pro 7 averages 4.3 out of 5 from 28 ratings, while Bolster averages 3.0 from 2 ratings.

### Do Construction Calc Pro 7 or Bolster have ads?

Construction Calc Pro 7 shows ads; Bolster does not.

### Which is updated more often, Construction Calc Pro 7 or Bolster?

Construction Calc Pro 7 ships an update every 2 months, and Bolster monthly. Most recently, Construction Calc Pro 7 was updated on November 2, 2026 and Bolster on October 30, 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.*