# Construction Calculator vs Hammer Construction Calculator

The clearest difference is review sentiment: Construction Calculator at 54% against Hammer Construction Calculator's 0%. Construction Calculator also leads on rating (4.7 vs 3.0) and update cadence (every 5 days vs every 6 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Construction Calculator sells 8 in-app purchases, starting at $4.99 per month and Hammer Construction Calculator sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Construction Calculator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Construction Calculator has 672 ratings behind it against 3, 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 0% of Hammer Construction Calculator's.

Construction Calculator ships an update every 5 days, Hammer Construction Calculator every 6 weeks. The most recent releases landed on October 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Construction Calculator | Hammer Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (672 ratings)](https://appshunter.io/ios/app/construction-calculator/id1092417398/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/hammer-construction-calculator/id6747408084/reviews) |
| Number of ratings | **672** | 3 |
| Positive reviews | **53.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 50 MB | 39 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [garrett hiebert](https://appshunter.io/developer/1821314687) |

## 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


### Hammer Construction Calculator

[App page](https://appshunter.io/ios/app/hammer-construction-calculator/id6747408084)

This app provides advanced construction calculations, including feet-inch-fraction math and specialized tools for various trades. It also offers material takeoff and PDF quote generation, with features for jobsite planning and notes.

**Highlights:** Feet-inch-fraction math with metric conversion, 20 specialized trade calculators with diagrams, Material takeoff and PDF quote generation, Jobsite plans and notes with blueprint support, Offline functionality, Customizable rounding and unit support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HammerCalc Monthly | $3.99 | per month |
| HammerCalc Yearly | $24.99 | per year |


## Frequently asked questions

### Is Construction Calculator free?

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

### Is Hammer Construction Calculator free?

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

### Which has better reviews, Construction Calculator or Hammer Construction Calculator?

Construction Calculator is rated higher. Construction Calculator averages 4.7 out of 5 from 672 ratings, while Hammer Construction Calculator averages 3.0 from 3 ratings.

### Do Construction Calculator or Hammer Construction Calculator have ads?

Neither Construction Calculator nor Hammer Construction Calculator shows ads.

### Which is updated more often, Construction Calculator or Hammer Construction Calculator?

Construction Calculator ships an update every 5 days, and Hammer Construction Calculator every 6 weeks. Most recently, Construction Calculator was updated on October 26, 2026 and Hammer Construction Calculator on October 7, 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.*