Boat Units vs HaqqConstructionCalculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Boat Units
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Boat Units gives sailors quick, reliable access to the conversions they use every day — from speed and distance to electrical, environmental, and onboard measurements. Designed for cruising sailors who want fast answers without digging through menus. Whether you’re checking wind speed, converting nautical miles, or working out electrical loads, everything is laid out for quick reference on the water. FEATURES Conversions tailored for sailors and yacht owners Nautical, environmental, electrical, length, and distance units Clean, simple interface built for quick use underway No ads, no clutter, no unnecessary categories DEVELOPMENT Boat Units is under active development, with new conversions and improvements planned. Feedback from sailors is always welcome and helps shape future releases.
HaqqConstructionCalculator
This utility app simplifies imperial unit calculations for construction, design, and DIY projects. It offers instant conversions for feet, inches, square feet, and cubic yards, supporting mixed fractions and offline use.
- Imperial unit conversions
- Feet, inches, square feet, cubic yards
- Mixed fraction support
- Offline functionality
- Ad-free interface
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HaqqConstructionCalculator makes imperial unit math simple. Convert and calculate feet, inches, square feet, and cubic yards instantly. Ideal for construction, design, and DIY use. Features: • Fast, accurate conversions • Supports mixed fractions (e.g., 2 5/8") • Works offline • Clean, ad-free interface
Screenshots
Verdict
The clearest difference is update cadence: Boat Units at every 3 days against HaqqConstructionCalculator's every 2 months. HaqqConstructionCalculator's advantage is iOS requirement (13.0 vs 18.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Boat Units ships an update every 3 days, HaqqConstructionCalculator every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Boat Units | HaqqConstructionCalculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcus Johansson | Haqq Technology |
In-app purchases
Boat Units
No in-app purchases
HaqqConstructionCalculator
No in-app purchases
Questions
Is Boat Units free?
Is HaqqConstructionCalculator free?
Do Boat Units or HaqqConstructionCalculator have ads?
Which is updated more often, Boat Units or HaqqConstructionCalculator?
Other comparisons
