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Comparison

ASEFA PLUS vs DuctSizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
ASEFA PLUS
ASEFA PLUS
Free
🔧 Utilities
No ratingsView app →
DuctSizer
DuctSizer
$4.99
🔧 Utilities
No ratingsView app →
About

ASEFA PLUS

Read full description

ASEFA PLUS แอปพลิเคชันที่รวบรวมข่าวสารและเครื่องมือ พร้อมกับให้ข้อมูลที่เป็นประโยชน์กับผู้ใช้งาน จากบริษัท อาซีฟา จำกัด มหาชน - ประชาสัมพันธ์ข่าวสาร งานสัมนาวิชาการ และกิจกรรม ต่างๆ จากบริษัท อาซีฟา จำกัด มหาชน - ผลิตเครื่องมือที่จำเป็นต่อผู้ใช้งาน และให้ผู้ใช้งานเข้าใช้งานฟีเจอร์ต่างๆ ได้อย่างสะดวก จากบริษัท อาซีฟา จำกัด มหาชน - นำเสนอเกี่ยวกับ Product, Social media ที่ถูกจัดทำและจัดจำหน่ายโดยบริษัท อาซีฟา จำกัด มหาชน

About

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.

Highlights
  • Quick duct size calculations
  • Accurate results
  • Equivalent round and rectangular sizes
  • IP and SI unit support
  • Finger slide interface
Features
Read full description

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

Screenshots

ASEFA PLUS4 screens
DuctSizer4 screens

Verdict

The call

The clearest difference is price: ASEFA PLUS at Free against DuctSizer's $4.99. DuctSizer's advantage is update cadence (every 4 days vs every 5 months) and device support. On in-app purchases and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

ASEFA PLUS is free to download; DuctSizer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ASEFA PLUS ships an update every 5 months, DuctSizer every 4 days. Both last shipped on June 1, 2026.

Scorecard3 real differences · 5 level
ASEFA PLUS versus DuctSizer: the parameters behind the verdict, then further details
ParameterASEFA PLUSDuctSizer
PriceFree — better$4.99
Positive reviews—100.0% of reviews
Update frequencyEvery 5 monthsEvery 4 days — better
Ads—No
In-app purchasesNoNo
Monetization—Paid
Devices—iPhone, iPad, iPod — better
Requires iOS13.412.0 — better
Further details — not scored
Size32 MB57 MB
Age rating4+4+
DeveloperASEFA PUBLIC COMPANY LIMITEDMULBERRYSOFT COMPANY LIMITED

In-app purchases

None

ASEFA PLUS

No in-app purchases

None

DuctSizer

No in-app purchases

Questions

Is ASEFA PLUS free?
ASEFA PLUS is free to download, with no in-app purchases.
Is DuctSizer free?
DuctSizer costs $4.99, with no in-app purchases.
Which is updated more often, ASEFA PLUS or DuctSizer?
ASEFA PLUS ships an update every 5 months, and DuctSizer every 4 days. Most recently, ASEFA PLUS was updated on June 1, 2026 and DuctSizer on June 1, 2026.

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