TopScan Pad vs VDIAGTOOL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Full-system diagnosis
- Bi-directional controls
- AutoVIN vehicle identification
- Special maintenance functions
- Wireless Bluetooth 5.0 connection
- Diagnostic report generation
- Repair data library
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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.
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | TopScan Pad | VDIAGTOOL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (6 ratings) — better | 2.8 (8 ratings) |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | 6 | 8 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2.2 GB | 1.1 GB |
| Age rating | 4+ | 4+ |
| Developer | HK TOPDON TECHNOLOGY Co., LIMITED | Shenzhen VDIAGTOOL Technology Co., Ltd |
Customer experience
TopScan Pad
VDIAGTOOL
In-app purchases
TopScan Pad
No in-app purchases
VDIAGTOOL
No in-app purchases







