Comparison

ScanPro vs Duong Quynh

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

Head to head

About

ScanPro

Features

Read full description

ScanPro - App connects to the device via BLE protocol, then Data Error will be sent to App, after that, it will be handled to create useful information for users Some main functions included : 1. Read the errors 2. Delete the errors memory 3. Dashboard all values of sensors on motorbikes 4. Upgrade the ECU mapping 5. Read KEY ID program Smartkey 6. ABS system 7.Support CAN Bus and Dobolue CAN Bus

About

Duong Quynh

Features

Read full description

Duong Quynh App: Vietnamese IoT Solutions Application: - Monitoring different IoT devices remotely. - Control equipment everywhere. - Set Scheduler for on/off following the fixed time. - Set threshold, and track the history of the equipment. Duong Quynh App has integrated many parameters from the old devices and made them smart based on flexibility control and monitoring. This app can apply to different fields, ex: Agriculture, Factory, smart home, etc... Support email: contacts@viis.tech

Screenshots

ScanPro4 screens

Duong Quynh4 screens

Verdict

The call

The clearest difference is update cadence: ScanPro at every 3 weeks against Duong Quynh's every 4 months. Duong Quynh's advantage is iOS requirement (12.0 vs 15.6). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ScanPro ships an update every 3 weeks, Duong Quynh every 4 months. The most recent releases landed on October 20, 2026 and September 28, 2026 respectively.

Scorecard2 real differences · 4 level

ScanPro versus Duong Quynh: the parameters behind the verdict, then further details
Parameter	ScanPro	Duong Quynh
Price	Free	Free
Update frequency	Every 3 weeks — better	Every 4 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	12.0 — better
Further details — not scored
Size	282 MB	87 MB
Age rating	4+	4+
Developer	Thinh Le	Thong Ho

In-app purchases

None

ScanPro

No in-app purchases

None

Duong Quynh

No in-app purchases

Questions

Is ScanPro free?

ScanPro is free to download, with no in-app purchases.

Is Duong Quynh free?

Duong Quynh is free to download, with no in-app purchases.

Do ScanPro or Duong Quynh have ads?

Neither ScanPro nor Duong Quynh shows ads.

Which is updated more often, ScanPro or Duong Quynh?

ScanPro ships an update every 3 weeks, and Duong Quynh every 4 months. Most recently, ScanPro was updated on October 20, 2026 and Duong Quynh on September 28, 2026.