DuctSizer vs Maker Robotics
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
Maker Robotics
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Maker Robotics Mobile Application - สมัคร ID เดียวใช้ได้ตลอดชีวิต - สมัครแข่งขัน ชำระเงิน รับใบเสร็จ ครบจบในแอปเดียว
Screenshots
Verdict
The clearest difference is price: Maker Robotics at Free against DuctSizer's $4.99. DuctSizer's advantage is iOS requirement (12.0 vs 15.6). On update cadence, 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
Maker Robotics 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, Maker Robotics weekly. The most recent releases landed on June 1, 2026 and September 21, 2026 respectively.
| Parameter | DuctSizer | Maker Robotics |
|---|---|---|
| Price | $4.99 | Free — better |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 57 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | MULBERRYSOFT COMPANY LIMITED | Maker Robotics Co.,Ltd. |
In-app purchases
DuctSizer
No in-app purchases
Maker Robotics
No in-app purchases
Questions
Is DuctSizer free?
Is Maker Robotics free?
Do DuctSizer or Maker Robotics have ads?
Which is updated more often, DuctSizer or Maker Robotics?
Other comparisons
