# KIMO POLAR APP vs Duct Construction

The clearest difference is price: KIMO POLAR APP at Free against Duct Construction's $0.99. KIMO POLAR APP also leads on update cadence (every 3 months vs every 10 months) and iOS requirement (8.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

KIMO POLAR APP is free to download; Duct Construction costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KIMO POLAR APP ships an update every 3 months, Duct Construction every 10 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KIMO POLAR APP | Duct Construction |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/duct-construction/id6443518338/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | — | Paid |
| Size | 76 MB | 1 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SAUERMANN INDUSTRIE](https://appshunter.io/developer/1169513729) | [Wassim Murr](https://appshunter.io/developer/1474939474) |

## What reviewers say

### KIMO POLAR APP

[App page](https://appshunter.io/ios/app/kimo-polar-app/id1255130488)

**In-app purchases:** none


### Duct Construction

[App page](https://appshunter.io/ios/app/duct-construction/id6443518338)

This app helps determine duct construction and reinforcement options based on duct size and system pressure class. It provides condensed lists of suitable options, saving time spent on manual calculations and table lookups. Results are based on industry standards for galvanized steel duct sheets.

**Highlights:** Duct size range from 2" to 120", Pressure classes up to 4 in.wg, Calculates duct weights per linear foot, Determines required duct gauge and reinforcement spacing, Clear illustrations for reinforcement types, Simple and effective UI design

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

**In-app purchases:** none


## Frequently asked questions

### Is KIMO POLAR APP free?

KIMO POLAR APP is free to download, with no in-app purchases.

### Is Duct Construction free?

Duct Construction costs $0.99, with no in-app purchases.

### Do KIMO POLAR APP or Duct Construction have ads?

Neither KIMO POLAR APP nor Duct Construction shows ads.

### Which is updated more often, KIMO POLAR APP or Duct Construction?

KIMO POLAR APP ships an update every 3 months, and Duct Construction every 10 months. Most recently, KIMO POLAR APP was updated on October 14, 2026 and Duct Construction 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.*