FKeys + Tab vs Calculator Construction Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FKeys + Tab
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.
- Always visible F1-F12, Tab, Enter keys
- Legacy application compatibility
- Dark mode
- Landscape mode
- Browser history
- Pinch to zoom
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FKeys + Tab is a web browser that adds the ability to use F1-F12 keys in legacy applications. Features: No Ads F1-F12, Tab, and Enter Keys that are always visible, even when the keyboard is hidden Dark mode Landscape mode Home button to save the URL you want to visit Homepage loads on app start up automatically. Browser history Works with Javascript window.open(), target="_blank" sources Sends both KeyDown and KeyUp events Pinch to Zoom on fullscreen pages (where meta tags not properly set)
Calculator Construction Pro
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.
- Cubic Feet conversion
- Square Yards conversion
- Truck Loads conversion
- Asphalt calculations
- Civil construction calculations
- Continuous content updates
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The go to for all your construction needs. From civil construction to asphalt, this calculator will do it all. Simple conversions for Cubic Feet, Square Yards, and Truck Loads. The app is continuously adding new content. Please send any features that you would like to see and we will make it happen.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FKeys + Tab | Calculator Construction Pro |
|---|---|---|
| Price | $11.99 | Free — better |
| Rating | 4.1 (26 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 46.2% of reviews | 50.0% of reviews — better |
| Number of ratings | 26 — better | 4 |
| Update frequency | Every 5 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 41 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Kelowna Software Ltd | Stan Bugusky |
Customer experience
FKeys + Tab
Calculator Construction Pro
In-app purchases
FKeys + Tab
No in-app purchases
Calculator Construction Pro
No in-app purchases
Questions
Is FKeys + Tab free?
Is Calculator Construction Pro free?
Which has better reviews, FKeys + Tab or Calculator Construction Pro?
Do FKeys + Tab or Calculator Construction Pro have ads?
Which is updated more often, FKeys + Tab or Calculator Construction Pro?
Other comparisons
