# FKeys + Tab vs Calculator Construction Pro

The clearest difference is price: Calculator Construction Pro at Free against FKeys + Tab's $11.99. Calculator Construction Pro also leads on rating (5.0 vs 4.1) and update cadence (every 3 days vs every 5 weeks). FKeys + Tab's advantage is ratings volume (26 vs 4). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Calculator Construction Pro is free to download; FKeys + Tab costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calculator Construction Pro holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: FKeys + Tab has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 46% of FKeys + Tab's written reviews are positive against 50% of Calculator Construction Pro's.

FKeys + Tab ships an update every 5 weeks, Calculator Construction Pro every 3 days. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FKeys + Tab | Calculator Construction Pro |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [4.1 (26 ratings)](https://appshunter.io/ios/app/fkeys-plus-tab/id1556107170/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-construction-pro/id6451326555/reviews)** |
| Number of ratings | **26** | 4 |
| Positive reviews | 46.2% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 41 MB | 3 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Kelowna Software Ltd](https://appshunter.io/developer/1556107172) | [Stan Bugusky](https://appshunter.io/developer/1680383203) |

## What reviewers say

### FKeys + Tab

[App page](https://appshunter.io/ios/app/fkeys-plus-tab/id1556107170)

This browser enhances legacy application compatibility by providing always-visible F1-F12, Tab, and Enter keys. It supports JavaScript window.open, sends key events, and offers features like dark mode and pinch-to-zoom.

**Highlights:** Always visible F1-F12, Tab, Enter keys, Legacy application compatibility, Dark mode, Landscape mode, Browser history, Pinch to zoom

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

**In-app purchases:** none


### Calculator Construction Pro

[App page](https://appshunter.io/ios/app/calculator-construction-pro/id6451326555)

This construction calculator simplifies measurements for civil projects, asphalt work, and material quantities. It offers conversions for cubic feet, square yards, and truck loads, with ongoing updates based on user feedback.

**Highlights:** Cubic Feet conversion, Square Yards conversion, Truck Loads conversion, Asphalt calculations, Civil construction calculations, Continuous content updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FKeys + Tab free?

FKeys + Tab costs $11.99, with no in-app purchases.

### Is Calculator Construction Pro free?

Calculator Construction Pro is free to download, with no in-app purchases.

### Which has better reviews, FKeys + Tab or Calculator Construction Pro?

Calculator Construction Pro is rated higher. FKeys + Tab averages 4.1 out of 5 from 26 ratings, while Calculator Construction Pro averages 5.0 from 4 ratings.

### Do FKeys + Tab or Calculator Construction Pro have ads?

Neither FKeys + Tab nor Calculator Construction Pro shows ads.

### Which is updated more often, FKeys + Tab or Calculator Construction Pro?

FKeys + Tab ships an update every 5 weeks, and Calculator Construction Pro every 3 days. Most recently, FKeys + Tab was updated on October 19, 2026 and Calculator Construction Pro on October 6, 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.*