DuctSizer vs Banpu NEXT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DuctSizer
This utility app provides a quick and accurate ductulator for calculating equivalent round and rectangular duct sizes. It supports both Imperial and SI units, offering a simple finger-slide interface for fast computations.
- Quick duct size calculations
- Accurate results
- Equivalent round and rectangular sizes
- IP and SI unit support
- Finger slide interface
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The Duct Sizer is a productivity app developed by Nopparat Katkhaw. The app is a simplest and quickest ductulator. Perform quick calculation and accurate results. Use the finger slide for quick calculations. Shows equivalent round and rectangular duct sizes. Compatible with IP and SI units. We would very much like your feedback! Pleas contacts Facebook page: https://www.facebook.com/UP.Energy4You
Banpu NEXT
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Banpu NEXT allows you to manage your smart PV plant anytime, anywhere. With the Banpu NEXT application, customers can access and view the operating status, real-time and historical data of solar energy generation and consumption. It enables customers to perform local commissioning, monitor operational convenience, and conduct maintenance through a mobile device or tablet. It is easy to get in touch with customer service 24 hours a day. Application features: - Real-time solar energy generation - Historical solar energy generation data on a daily, monthly, and yearly basis - Electricity bills: current and historical bills - Solar Plant details: Location, Installation capacity, Installation equipment - Weather information - CO2 savings. - Alarm and alert notifications. - Battery percentage status. - Battery usage information. - Charging / Dis-Charging status. Thank you for being a part of the Net-Zero Journey. Download the Banpu NEXT app to experience more functions.
Screenshots
Verdict
The clearest difference is price: Banpu NEXT at Free against DuctSizer's $4.99. DuctSizer's advantage is update cadence (every 4 days vs every 6 weeks) and iOS requirement (12.0 vs 15.0). 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
Banpu NEXT is free to download; DuctSizer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DuctSizer ships an update every 4 days, Banpu NEXT every 6 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | DuctSizer | Banpu NEXT |
|---|---|---|
| Price | $4.99 | Free — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 57 MB | 64 MB |
| Age rating | 4+ | 12+ |
| Developer | Mulberrysoft | BANPU NEXT CO., LTD. |
In-app purchases
DuctSizer
No in-app purchases
Banpu NEXT
No in-app purchases
