# Construction Calculator vs PowerOne calculator

The clearest difference is update cadence: Construction Calculator at every 5 days against PowerOne calculator's every 3 months. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Construction Calculator sells 8 in-app purchases, starting at $4.99 per month and PowerOne calculator sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Construction Calculator against 4.6 for PowerOne calculator. Both are backed by a comparable volume of ratings — 674 and 806 respectively. Written reviews are what separate them: 54% of Construction Calculator's written reviews are positive against 50% of PowerOne calculator's.

Construction Calculator ships an update every 5 days, PowerOne calculator every 3 months. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Construction Calculator | PowerOne calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (674 ratings)](https://appshunter.io/ios/app/construction-calculator/id1092417398/reviews)** | [4.6 (806 ratings)](https://appshunter.io/ios/app/powerone-calculator/id1141498515/reviews) |
| Number of ratings | 674 | **806** |
| Positive reviews | **53.7% of reviews** | 50.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 6 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Crafty Weasel, LLC](https://appshunter.io/developer/1602588690) |

## What reviewers say

### Construction Calculator

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

This tool simplifies complex construction calculations, offering conversions between various measurement formats. It provides an elegant interface for users in construction, woodworking, and education to perform and check calculations.

**Highlights:** Feet Inch Fraction calculations, Decimal to fraction conversion, Fraction to decimal conversion, Supports multiple dimensional formats, Elegant and intuitive interface, Advanced editing capabilities

**Features:** Vision Pro support, iPhone Duo 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


### PowerOne calculator

[App page](https://appshunter.io/ios/app/powerone-calculator/id1141498515)

This app offers a powerful calculator with hundreds of pre-built templates for finance, engineering, and more. Users can also create custom calculations for specific needs, ensuring accuracy and speed for repetitive tasks. Access your calculations across devices, online or offline.

**Highlights:** Hundreds of pre-built calculation templates, Create custom calculation templates, Standard and RPN calculator modes, Cross-device syncing (iPhone, iPad, Mac, Web), Offline access, Template sharing for teams, Customizable themes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $2.99 | per month |
| Annual Premium Subscription | $19.99 | per year |

**What reviewers like**

- 🚀 Powerful and versatile calculator
- 👍 Extensive template library
- 🚀 Customizable keyboard and layout
- 👍 Helpful customer support
- 🚀 Syncing across devices

**What reviewers complain about**

- 🔒 Requires account login
- 👎 Subscription pricing model
- 👎 Cluttered and less user-friendly interface
- 👎 Removed features from previous versions
- 🐛 Bugs and glitches

**Reported bugs**

- Calculator not accessible after update
- Templates disappearing after update
- Incompatibility with iOS 16
- Calculation errors in certain templates

**Requested features**

- Landscape mode support
- Ability to reorganize templates
- Restore previous version's interface
- Retain access to purchased features


## Frequently asked questions

### Is Construction Calculator free?

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

### Is PowerOne calculator free?

PowerOne calculator is free to download, with in-app purchases available.

### Which has better reviews, Construction Calculator or PowerOne calculator?

Construction Calculator is rated higher. Construction Calculator averages 4.7 out of 5 from 674 ratings, while PowerOne calculator averages 4.6 from 806 ratings.

### Do Construction Calculator or PowerOne calculator have ads?

Neither Construction Calculator nor PowerOne calculator shows ads.

### Which is updated more often, Construction Calculator or PowerOne calculator?

Construction Calculator ships an update every 5 days, and PowerOne calculator every 3 months. Most recently, Construction Calculator was updated on November 2, 2026 and PowerOne calculator on October 29, 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.*