DuctChecker vs AnzenAI
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
DuctChecker
Easily calculate duct dimensions using various engineering methods like constant pressure, static pressure regain, total pressure, and velocity. This tool simplifies complex duct design calculations, typically found in flow diagrams or slide rules.
- Constant pressure method calculation
- Static pressure regain method
- Total pressure method
- Velocity method
- Duct dimension determination
- Simplified duct design
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To determine the size of the duct constant pressure method, static pressure regain method, total pressure method, velocity method. Generally uses constant pressure method. This constant pressure method is how to determine the duct dimensions using the same value per 1 m on all duct friction loss. Usually determined by flow diagrams or duct design for slide rules. You can easily determine the duct by using this program.
AnzenAI
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Safety AI β Supporting Construction Site Safety and Compliance with AI Safety AI is an AI-powered safety and compliance management app designed specifically for the construction industry. Leveraging over 40 years of on-site experience, it simplifies risk visualization, real-time work monitoring, and automated report creationβall from a mobile device. From detecting risks in daily reports to managing weekly and monthly compliance, Safety AI enhances both safety and efficiency on the job site. It is a trusted partner for all stakeholders, including workers, site supervisors, and safety managers. Key Features β’ Real-time Work Monitoring: Use a smartphone camera to monitor work, with AI detecting risks in real time. β’ Automated Daily Report Creation: Eliminate the need for paper reports; instantly record and share on-site conditions. β’ Compliance Dashboard: Visualize site safety conditions on a weekly or monthly basis. β’ Risk Summaries and Alert Notifications: Smart alerts and summaries tailored to on-site conditions. β’ Ideal for Small and Medium-Sized Businesses: Lightweight, scalable, and perfectly suited for Japanβs construction SMBs. Why Choose Safety AI? Developed through collaboration between industry experts and AI engineers, Safety AI is more than just an appβitβs a 24/7 safety partner dedicated to supporting your job site.
Screenshots
Verdict
The clearest difference is price: AnzenAI at Free against DuctChecker's $6.99. AnzenAI also leads on update cadence (every 3 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
AnzenAI is free to download; DuctChecker costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DuctChecker ships an update every 4 months, AnzenAI every 3 weeks. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.
| Parameter | DuctChecker | AnzenAI |
|---|---|---|
| Price | $6.99 | Free β better |
| Positive reviews | 0.0% of reviews | β |
| Update frequency | Every 4 months | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | β |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 23 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | AIR DESIGN, INC. | Uttam Dwivedi |
In-app purchases
DuctChecker
No in-app purchases
AnzenAI
No in-app purchases
Questions
Is DuctChecker free?
Is AnzenAI free?
Do DuctChecker or AnzenAI have ads?
Which is updated more often, DuctChecker or AnzenAI?
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