# Digiduct vs ScanPlan

The clearest difference is in-app purchases: Digiduct at none against ScanPlan's 3. Digiduct also leads on ratings volume (11 vs 1). ScanPlan's advantage is update cadence (every 5 days vs every 2 months) and rating (5.0 vs 4.6). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ScanPlan sells 3 in-app purchases, starting at $19.99 per year. Digiduct asks for nothing beyond the download.

ScanPlan holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Digiduct has 11 ratings behind it against 1, so its average is the more settled of the two.

Digiduct ships an update every 2 months, ScanPlan every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Digiduct | ScanPlan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (11 ratings)](https://appshunter.io/ios/app/digiduct/id6738926359/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scanplan-hvac-load-and-ducts/id6760936635/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 281 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Syska Hennessy Group](https://appshunter.io/developer/1782943081) | [DAVID C ROSS](https://appshunter.io/developer/1886926040) |

## What reviewers say

### Digiduct

[App page](https://appshunter.io/ios/app/digiduct/id6738926359)

This HVAC tool assists professionals with duct sizing calculations based on ASHRAE standards. It supports multiple duct shapes and offers intelligent features to ensure accurate and reliable designs for real-world scenarios.

**Highlights:** Duct sizing for rectangular, round, and flat oval ducts, Customizable dimensions with locked values, Duct location intelligence for context-aware sizing, Calculations based on CFM, pressure drop, or velocity, Alerts for exceeding pressure drop or velocity limits

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

**In-app purchases:** none


### ScanPlan

[App page](https://appshunter.io/ios/app/scanplan-hvac-load-and-ducts/id6760936635)

This app transforms your iPhone or iPad Pro into a comprehensive HVAC design toolkit. It allows for on-site room scanning with LiDAR, calculation of heating and cooling loads, duct and equipment sizing, and generation of professional PDF reports.

**Highlights:** LiDAR room scanning, Manual J load calculations, Duct and equipment sizing, Heat pump selection, Domestic hot water sizing, Gas piping sizing, AI-powered tools, Professional PDF reports

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScanPlan Pro | $19.99 | per year |
| Scanplan Pro Monthly | $24.99 | per month |
| ScanPlanHVAC Pro Unlock | $5.99 | one-time |


## Frequently asked questions

### Is Digiduct free?

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

### Is ScanPlan free?

ScanPlan is free to download, with in-app purchases available.

### Which has better reviews, Digiduct or ScanPlan?

ScanPlan is rated higher. Digiduct averages 4.6 out of 5 from 11 ratings, while ScanPlan averages 5.0 from 1 ratings.

### Do Digiduct or ScanPlan have ads?

Neither Digiduct nor ScanPlan shows ads.

### Which is updated more often, Digiduct or ScanPlan?

Digiduct ships an update every 2 months, and ScanPlan every 5 days. Most recently, Digiduct was updated on October 24, 2026 and ScanPlan on October 28, 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.*