Comparison

TopScan Pad vs VDIAGTOOL

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

Head to head
About

TopScan Pad

Transform your tablet into a powerful vehicle diagnostic tool with this app. It offers comprehensive system scans, bi-directional controls, and special maintenance functions for over 100 car brands. Easily identify and resolve vehicle issues with detailed reports and a repair data library.

Highlights
  • Full-system diagnosis
  • Bi-directional controls
  • AutoVIN vehicle identification
  • Special maintenance functions
  • Wireless Bluetooth 5.0 connection
  • Diagnostic report generation
  • Repair data library
Features
Read full description

Connect the TopScan to your Tablet via Bluetooth and turn your devices into a smart and powerful diagnostic tool! The Bluetooth OBDII scan tool is loaded with essential features such as full OBDII functionality, full system diagnosis, bi-directional controls, autoVIN, automatic diagnostic reports, and more. Maintenance service functions and coverage for 100+ vehicle brands make the Topscan a versatile and portable auto scanner for technicians. Key Features: 1. Full-system diagnosis: Engine, Transmission, Airbag, ABS, ESP, TPMS, Immobilizer, Gateway, Steering, Radio, Air Conditioning and more. 2. All-system diagnostic basic functions: access ECU info, read fault codes, clear fault codes, read data stream. 3. Special functions: Oil reset, throttle adaptation, EPB reset, BMS reset, and more. 4. Bi-directional control to target problems easily. 4. AutoVIN for automatic vehicle identification and quick diagnosis. 5. Wireless connection, Bluetooth 5.0 with a range of 33 feet/10m. Works on iOS 11.0 or above, compact and portable. 6. Repair data library: DTC repair guide, technical service bulletin, DLC location, warning light library. 7. Graph, value and dashboard-like data display for easy interpretation.  8. Generate diagnostic reports for system, fault Codes, or data streams. 9. Feedback function enables users to submit issues and requests to us in a convenient way.

About

VDIAGTOOL

This app provides comprehensive vehicle diagnostics, acting as a portable, professional solution. It connects to a Bluetooth OBDII adapter for full-system scanning and special functions on various car brands.

Highlights
  • Full-system vehicle diagnostics
  • Professional special functions (oil reset, DPF regen, EPB)
  • High-speed Bluetooth OBDII adapter included
  • Portable, pocket-sized design
  • Cross-platform iOS compatibility
Features
Read full description

VDIAGTOOL - Your Pocket-Sized Professional Diagnostic Solution VDIAGTOOL is a compact, full-system diagnostic tool that pairs seamlessly with your smartphone or tablet . This complete kit includes a high-speed Bluetooth OBDII adapter and the powerful VDIAGTOOL app - the ultimate DIY solution for comprehensive vehicle scanning. Key Advantages: Full-Vehicle Coverage - Complete diagnostics for all major systems across global brands Professional Special Functions - Oil service reset, DPF regeneration, EPB maintenance True Portability - Pocket-sized design for on-the-go diagnostics Cross-Platform Compatibility - Works flawlessly with both iOS devices Complete Package - Includes everything needed for professional-level scanning and more...

Screenshots

VDIAGTOOL2 screens

Verdict

The call

The clearest difference is rating: TopScan Pad at 4.2 against VDIAGTOOL's 2.8. TopScan Pad also leads on iOS requirement (11.0 vs 15.6). VDIAGTOOL's advantage is update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

TopScan Pad holds the better App Store score, 4.2 against 2.8. Both are backed by a comparable volume of ratings — 6 and 8 respectively.

UpkeepUpdate frequency

TopScan Pad ships an update every 4 months, VDIAGTOOL every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
TopScan Pad versus VDIAGTOOL: the parameters behind the verdict, then further details
ParameterTopScan PadVDIAGTOOL
PriceFreeFree
Rating4.2 (6 ratings) — better2.8 (8 ratings)
Positive reviews—40.0% of reviews
Number of ratings68 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS11.0 — better15.6
Further details — not scored
Size2.2 GB1.1 GB
Age rating4+4+
DeveloperHK TOPDON TECHNOLOGY Co., LIMITEDShenzhen VDIAGTOOL Technology Co., Ltd

Customer experience

TopScan Pad

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

VDIAGTOOL

All ratings8 ratings
Positive37.5%
Neutral12.5%
Negative50.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

None

TopScan Pad

No in-app purchases

None

VDIAGTOOL

No in-app purchases

Questions

Is TopScan Pad free?
TopScan Pad is free to download, with no in-app purchases.
Is VDIAGTOOL free?
VDIAGTOOL is free to download, with no in-app purchases.
Which has better reviews, TopScan Pad or VDIAGTOOL?
TopScan Pad is rated higher. TopScan Pad averages 4.2 out of 5 from 6 ratings, while VDIAGTOOL averages 2.8 from 8 ratings.
Do TopScan Pad or VDIAGTOOL have ads?
Neither TopScan Pad nor VDIAGTOOL shows ads.
Which is updated more often, TopScan Pad or VDIAGTOOL?
TopScan Pad ships an update every 4 months, and VDIAGTOOL every 3 weeks. Most recently, TopScan Pad was updated on October 30, 2026 and VDIAGTOOL on October 25, 2026.

Other comparisons