# Construction Calculator vs Klein Tools Borescope

The clearest difference is rating: Construction Calculator at 4.7 against Klein Tools Borescope's 1.8. Construction Calculator also leads on review sentiment (54% vs 12%) and update cadence (every 6 days vs every 4 months). Klein Tools Borescope's advantage is in-app purchases (none vs 9) and iOS requirement (12.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Construction Calculator sells 8 in-app purchases, starting at $4.99 per month. Klein Tools Borescope asks for nothing beyond the download.

Construction Calculator holds the better App Store score, 4.7 against 1.8. That said, the two scores are not equally well evidenced: Construction Calculator has 625 ratings behind it against 57, so its average is the more settled of the two. Written reviews point the same way: 54% of Construction Calculator's written reviews are positive against 12% of Klein Tools Borescope's.

Construction Calculator ships an update every 6 days, Klein Tools Borescope every 4 months. The most recent releases landed on September 27, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Construction Calculator | Klein Tools Borescope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (625 ratings)](https://appshunter.io/ios/app/construction-calculator/id1092417398/reviews)** | [1.8 (57 ratings)](https://appshunter.io/ios/app/klein-tools-borescope/id1437485935/reviews) |
| Number of ratings | **625** | 57 |
| Positive reviews | **53.7% of reviews** | 12.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 16 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Klein Tools](https://appshunter.io/developer/440692921) |

## What reviewers say

### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator/id1092417398)

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

**Highlights:** Decimal to fraction converter, Fraction to decimal conversion, Simultaneous equation and result display, Advanced editing capabilities, Today Screen integration, Support for multiple dimensional formats

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Construction Calculator | $4.99 | per month |
| Construction Calculator | $39.99 | per year |
| Themes | $1.99 | one-time |
| Calculator Plus | $3.99 | one-time |
| Rafter | $4.99 | one-time |
| Stair Calculator | $4.99 | one-time |
| Fraction Calculator | $9.99 | one-time |
| Construction Calculator | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and accurate calculations
- 💡 Helpful for construction work
- 🎨 Customizable colors

**What reviewers complain about**

- 💰 Subscription model is too expensive
- 🔒 Paywall locks out useful features
- 🔄 Forced updates break existing functionality
- 🤯 Confusing and difficult to navigate

**Reported bugs**

- Calculation errors and incorrect results
- Freezing and crashing on certain devices
- Compatibility issues with newer OS versions

**Requested features**

- Bring back fraction display in results
- Allow offline use without subscription
- Add more construction-specific tools
- Improve user interface and usability


### Klein Tools Borescope

[App page](https://appshunter.io/ios/app/klein-tools-borescope/id1437485935)

This utility app connects to specific devices to provide visual inspection capabilities. It allows users to view live camera feeds and access recorded data from the connected hardware.

**Highlights:** Connects to ET20 devices, Live camera feed viewing, Access recorded data, Visual inspection tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Construction Calculator free?

Construction Calculator is free to download, with in-app purchases available.

### Is Klein Tools Borescope free?

Klein Tools Borescope is free to download, with no in-app purchases.

### Which has better reviews, Construction Calculator or Klein Tools Borescope?

Construction Calculator is rated higher. Construction Calculator averages 4.7 out of 5 from 625 ratings, while Klein Tools Borescope averages 1.8 from 57 ratings.

### Do Construction Calculator or Klein Tools Borescope have ads?

Neither Construction Calculator nor Klein Tools Borescope shows ads.

### Which is updated more often, Construction Calculator or Klein Tools Borescope?

Construction Calculator ships an update every 6 days, and Klein Tools Borescope every 4 months. Most recently, Construction Calculator was updated on September 27, 2026 and Klein Tools Borescope 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.*