# Calculator + vs Construction Calculator Master

The clearest difference is ads: Construction Calculator Master at none against Calculator +'s shown. Construction Calculator Master also leads on iOS requirement (11.0 vs 16.4). Calculator +'s advantage is rating (4.6 vs 4.3) and update cadence (every 4 days vs fortnightly). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month and Construction Calculator Master sells 10 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Calculator + holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 436, so its average is the more settled of the two. Written reviews point the same way: 85% of Calculator +'s written reviews are positive against 70% of Construction Calculator Master's.

Calculator + ships an update every 4 days, Construction Calculator Master fortnightly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Calculator + | Construction Calculator Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews)** | [4.3 (436 ratings)](https://appshunter.io/ios/app/construction-calculator-master/id1623283646/reviews) |
| Number of ratings | **10K** | 436 |
| Positive reviews | **84.9% of reviews** | 70.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 37 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Uncaught Exception Inc](https://appshunter.io/developer/1457411536) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

**Highlights:** Free basic and scientific calculator, Intuitive interface with equation and result display, Fraction and percent support, Advanced editing capabilities, Polynomial and linear equation solver, Graphing calculator, Unit conversion and geometric calculators

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Currency Converter | $2.99 | one-time |
| Themes Pack | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### Construction Calculator Master

[App page](https://appshunter.io/ios/app/construction-calculator-master/id1623283646)

This advanced construction calculator simplifies complex measurements for builders, carpenters, and remodelers. It offers a comprehensive suite of math functions, multi-unit support, and visual aids for calculations involving fractions, trigonometry, and rafters. Reduce errors and save time with its intuitive interface and customizable options.

**Highlights:** Multi-unit fraction support (feet, inches, yards, metric), Trigonometric functions with visualization, Rafter and triangle visualization, Imperial, Metric, and US Fractional units, Customizable fraction resolution, Memory and history functions, Dark mode support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week | $0.99 | per 7 days |
| 1 week | $2.99 | per 7 days |
| 1 week | $2.99 | per 7 days |
| 1 month | $3.99 | per month |
| 1 week | $4.99 | per 7 days |
| 1 month | $5.99 | per month |
| 1 month | $5.99 | per month |
| 1 month | $9.99 | per month |
| 1 year | $29.99 | per year |
| 1 year | $49.99 | per year |


## Frequently asked questions

### Is Calculator + free?

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

### Is Construction Calculator Master free?

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

### Which has better reviews, Calculator + or Construction Calculator Master?

Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Construction Calculator Master averages 4.3 from 436 ratings.

### Do Calculator + or Construction Calculator Master have ads?

Calculator + shows ads; Construction Calculator Master does not.

### Which is updated more often, Calculator + or Construction Calculator Master?

Calculator + ships an update every 4 days, and Construction Calculator Master fortnightly. Most recently, Calculator + was updated on September 24, 2026 and Construction Calculator Master on September 22, 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.*