# Boat Units vs HaqqConstructionCalculator

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.

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.

## The numbers

| Metric | Boat Units | HaqqConstructionCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/haqqconstructioncalculator/id6741587206/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | — | Free |
| Size | 7 MB | 21 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marcus Johansson](https://appshunter.io/developer/1659201231) | [Haqq Technology](https://appshunter.io/developer/1794772805) |

## What reviewers say

### Boat Units

[App page](https://appshunter.io/ios/app/boat-units/id1659201229)

**Features:** macOS Compatibility

**In-app purchases:** none


### HaqqConstructionCalculator

[App page](https://appshunter.io/ios/app/haqqconstructioncalculator/id6741587206)

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.

**Highlights:** Imperial unit conversions, Feet, inches, square feet, cubic yards, Mixed fraction support, Offline functionality, Ad-free interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boat Units free?

Boat Units is free to download, with no in-app purchases.

### Is HaqqConstructionCalculator free?

HaqqConstructionCalculator is free to download, with no in-app purchases.

### Do Boat Units or HaqqConstructionCalculator have ads?

Neither Boat Units nor HaqqConstructionCalculator shows ads.

### Which is updated more often, Boat Units or HaqqConstructionCalculator?

Boat Units ships an update every 3 days, and HaqqConstructionCalculator every 2 months. Most recently, Boat Units was updated on October 25, 2026 and HaqqConstructionCalculator on October 24, 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.*