AI Ductulator vs Quietflex Ductulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Ductulator
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.
- Duct sizing calculations
- HVAC parameter input
- Accurate dimension results
- User-friendly interface
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Duct sizing Calculator.
Quietflex Ductulator
This utility app helps HVAC professionals and enthusiasts quickly calculate essential airflow metrics for various duct sizes. It provides CFM, FPM, and FL values, simplifying HVAC system design and analysis.
- Calculate CFM
- Calculate FPM
- Calculate FL
- Supports different duct diameters
- HVAC system analysis
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Use the Quietflex Ductulator app to calculate CFM, FPM, and FL of different diameter ducts.
Screenshots
Verdict
The clearest difference is price: Quietflex Ductulator at Free against AI Ductulator's $3.99. Quietflex Ductulator also leads on rating (5.0 vs 3.9) and update cadence (every 3 days vs every 52 months). AI Ductulator's advantage is chart position (#60 vs unranked) and ratings volume (9 vs 1). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Quietflex Ductulator is free to download; AI Ductulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Quietflex Ductulator 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, Quietflex Ductulator every 3 days. The most recent releases landed on October 13, 2026 and September 26, 2026 respectively.
| Parameter | AI Ductulator | Quietflex Ductulator |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 3.9 (9 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 9 — better | 1 |
| Update frequency | Every 52 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #60 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 89 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | pasquale dipaola | Goodman Manufacturing L.P. |
Customer experience
AI Ductulator
Quietflex Ductulator
In-app purchases
AI Ductulator
No in-app purchases
Quietflex Ductulator
No in-app purchases
Questions
Is AI Ductulator free?
Is Quietflex Ductulator free?
Which has better reviews, AI Ductulator or Quietflex Ductulator?
Do AI Ductulator or Quietflex Ductulator have ads?
Which is updated more often, AI Ductulator or Quietflex Ductulator?
Other comparisons
