# AI Ductulator vs RC

The clearest difference is price: RC at Free against AI Ductulator's $3.99. RC also leads on rating (5.0 vs 3.9) and update cadence (fortnightly vs every 52 months). AI Ductulator's advantage is ratings volume (9 vs 1). On ads, in-app purchases and device support there is nothing between them.

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

RC holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: AI Ductulator has 9 ratings behind it against 1, so its average is the more settled of the two.

AI Ductulator ships an update every 52 months, RC fortnightly. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AI Ductulator | RC |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/ai-ductulator/id986252467/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rc-pro-gps/id1295059384/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 89 MB | 96 MB |
| Requires iOS | 13.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [pasquale dipaola](https://appshunter.io/developer/986252466) | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) |

## What reviewers say

### AI Ductulator

[App page](https://appshunter.io/ios/app/ai-ductulator/id986252467)

This application serves as a duct sizing calculator for HVAC professionals and enthusiasts. It provides quick and accurate calculations for duct dimensions based on various parameters.

**Highlights:** Duct sizing calculations, HVAC parameter input, Accurate dimension results, User-friendly interface

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

**In-app purchases:** none


### RC

[App page](https://appshunter.io/ios/app/rc-pro-gps/id1295059384)

Control a toy quadrocopter using WiFi and receive real-time video transfer. Compatible with a range of iOS devices and versions.

**Highlights:** WiFi quadrocopter control, Real-time video transfer, iOS device compatibility, Supports multiple iPhone models, Real-time video streaming

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI Ductulator free?

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

### Is RC free?

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

### Which has better reviews, AI Ductulator or RC?

RC is rated higher. AI Ductulator averages 3.9 out of 5 from 9 ratings, while RC averages 5.0 from 1 ratings.

### Do AI Ductulator or RC have ads?

Neither AI Ductulator nor RC shows ads.

### Which is updated more often, AI Ductulator or RC?

AI Ductulator ships an update every 52 months, and RC fortnightly. Most recently, AI Ductulator was updated on October 21, 2026 and RC on October 5, 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.*