# iBend Offsets vs Duct Construction

The clearest difference is review sentiment: iBend Offsets at 74% against Duct Construction's 0%. iBend Offsets also leads on rating (4.3 vs 1.0) and ratings volume (3 vs 1). Duct Construction's advantage is price ($0.99 vs $1.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

iBend Offsets costs $1.99 and Duct Construction $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iBend Offsets holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 74% of iBend Offsets's written reviews are positive against 0% of Duct Construction's.

iBend Offsets ships an update every 7 months, Duct Construction every 10 months. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | iBend Offsets | Duct Construction |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/ibend-offsets/id377011889/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/duct-construction/id6443518338/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **74.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Paid | Paid |
| Best chart rank | **#91** | #164 |
| Size | 2 MB | 1 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Francisco Alcala](https://appshunter.io/developer/339407925) | [Wassim Murr](https://appshunter.io/developer/1474939474) |

## What reviewers say

### iBend Offsets

[App page](https://appshunter.io/ios/app/ibend-offsets/id377011889)

**Currently charting:** #91 Top Paid · Productivity (US App Store)

Calculate various types of offsets in electrical conduit using common or custom angles. Input distances in fractions for real-time results. Includes an Apple Watch companion app and an inclinometer/level feature.

**Highlights:** Calculate regular, parallel, and rolled offsets, Supports common and custom bend angles, Fractional input for offset distance, Real-time calculation display, Apple Watch companion app, Inclinometer/Level feature

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Duct Construction

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

**Currently charting:** #164 Top Paid · Productivity (US App Store)

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 iBend Offsets free?

iBend Offsets costs $1.99, with no in-app purchases.

### Is Duct Construction free?

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

### Which has better reviews, iBend Offsets or Duct Construction?

iBend Offsets is rated higher. iBend Offsets averages 4.3 out of 5 from 3 ratings, while Duct Construction averages 1.0 from 1 ratings.

### Do iBend Offsets or Duct Construction have ads?

Neither iBend Offsets nor Duct Construction shows ads.

### Which is updated more often, iBend Offsets or Duct Construction?

iBend Offsets ships an update every 7 months, and Duct Construction every 10 months. Most recently, iBend Offsets was updated on September 21, 2026 and Duct Construction on September 25, 2026.

### Which is more popular, iBend Offsets or Duct Construction?

iBend Offsets currently peaks at #91 in the App Store charts, and Duct Construction at #164. Chart position reflects recent download velocity rather than total install base.

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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.*