# AI Ductulator vs MeFlux

The clearest difference is price: MeFlux at Free against AI Ductulator's $3.99. MeFlux also leads on update cadence (every 15 months vs every 52 months). AI Ductulator's advantage is chart position (#169 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

AI Ductulator ships an update every 52 months, MeFlux every 15 months. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AI Ductulator | MeFlux |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/ai-ductulator/id986252467/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 15 months** |
| Monetization | Paid | — |
| Best chart rank | **#169** | — |
| Size | 89 MB | 209 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [pasquale dipaola](https://appshunter.io/developer/986252466) | [Long Term Elec. Co., Ltd.](https://appshunter.io/developer/1726522198) |

## What reviewers say

### AI Ductulator

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

**Currently charting:** #169 Top Paid · Utilities (US App Store)

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


### MeFlux

[App page](https://appshunter.io/ios/app/meflux/id6476362445)

**In-app purchases:** none


## Frequently asked questions

### Is AI Ductulator free?

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

### Is MeFlux free?

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

### Do AI Ductulator or MeFlux have ads?

Neither AI Ductulator nor MeFlux shows ads.

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

AI Ductulator ships an update every 52 months, and MeFlux every 15 months. Most recently, AI Ductulator was updated on October 21, 2026 and MeFlux on October 8, 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.*