# Ductulator vs Condair Connect

The clearest difference is price: Condair Connect at Free against Ductulator's $3.99. Condair Connect also leads on iOS requirement (15.0 vs 18.6). Ductulator's advantage is rating (4.7 vs 3.0) and ratings volume (358 vs 2). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Condair Connect is free to download; Ductulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ductulator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Ductulator has 358 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Ductulator ships an update every 2 months, Condair Connect every 4 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Ductulator | Condair Connect |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.7 (358 ratings)](https://appshunter.io/ios/app/ductulator-duct-sizing/id1474939475/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/condair-connect/id1491788978/reviews) |
| Number of ratings | **358** | 2 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Best chart rank | **#51** | — |
| Size | 1 MB | 148 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wassim Murr](https://appshunter.io/developer/1474939474) | [Condair Group AG](https://appshunter.io/developer/1491788977) |

## What reviewers say

### Ductulator

[App page](https://appshunter.io/ios/app/ductulator-duct-sizing/id1474939475)

**Currently charting:** #51 Top Paid · Productivity (US App Store)

Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.

**Highlights:** Instant duct sizing, Friction rate or velocity calculation, Multiple valid duct dimensions, IP and SI units support, Detailed sizing mode, Rectangular, circular, and flexible ducts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Very helpful for duct sizing
- 👍 Easy to use in the field
- 👍 Saves time
- 👍 Seamless imperial/metric transitions
- 👍 Excellent tool for duct design

**What reviewers complain about**

- 👎 App should be free
- 👎 Functionality is pointless for some needs
- 👎 Doesn't help with traditional residential HVAC duct sizing
- 👎 App is a scam
- 👎 Decimal point doesn't work

**Reported bugs**

- Decimal point doesn't work on calculator
- New flex option isn't working properly
- Friction rate can't be changed in the latest version
- Skips duct sizes (e.g., 24-26)

**Requested features**

- Ability to pick duct size and see CFM
- Include flat oval ducts
- Option to select round or square duct
- Ability to enter duct size and get CFM
- Option for flex duct


### Condair Connect

[App page](https://appshunter.io/ios/app/condair-connect/id1491788978)

Monitor and control smart humidification systems from your smartphone. View humidity history and receive maintenance alerts for optimal indoor climate and well-being. Enjoy fresh, healthy air effortlessly.

**Highlights:** Remote humidity monitoring, System control, Humidity history view, Maintenance alerts, Smart home integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ductulator free?

Ductulator costs $3.99, with no in-app purchases.

### Is Condair Connect free?

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

### Which has better reviews, Ductulator or Condair Connect?

Ductulator is rated higher. Ductulator averages 4.7 out of 5 from 358 ratings, while Condair Connect averages 3.0 from 2 ratings.

### Do Ductulator or Condair Connect have ads?

Neither Ductulator nor Condair Connect shows ads.

### Which is updated more often, Ductulator or Condair Connect?

Ductulator ships an update every 2 months, and Condair Connect every 4 months. Most recently, Ductulator was updated on October 29, 2026 and Condair Connect on October 29, 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.*