Comparison

OBDSTAR vs TopScan Pad

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

Head to head
About

OBDSTAR

A handheld maintenance database for technicians, offering technical support, data queries, video viewing, and after-sales consultation. It provides a comprehensive database for automotive, motorcycle, and marine maintenance, aiming for efficient and professional service.

Highlights
  • Handheld maintenance database
  • Technical support
  • Data query
  • Video viewing
  • After-sales consultation
  • Comprehensive maintenance data
Features
Read full description

"OBDSTAR" APP is a handheld maintenance database designed for maintenance technicians. It is a service APP that can bring more convenient, efficient and professional services to end-users, integrating technical support, data query, video viewing, after-sales consultation, feedback and other multi-functions. It supports a comprehensive maintenance data query database for automobiles, motorcycles, ships, etc. With powerful functions and excellent experience, it is a practical service platform for maintenance technicians to solve their problems.

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.

Screenshots

OBDSTAR4 screens

Verdict

The call

The clearest difference is rating: TopScan Pad at 4.4 against OBDSTAR's 1.5. TopScan Pad also leads on ads (none vs shown) and monetization model (free vs ad-supported). OBDSTAR's advantage is device support (3 vs 1). On price, ratings volume, update cadence 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, 4.4 against 1.5. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

UpkeepUpdate frequency

OBDSTAR ships an update every 6 months, TopScan Pad every 4 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

Scorecard5 real differences · 5 level
OBDSTAR versus TopScan Pad: the parameters behind the verdict, then further details
ParameterOBDSTARTopScan Pad
PriceFreeFree
Rating1.5 (4 ratings)4.4 (5 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings45 — better
Update frequencyEvery 6 monthsEvery 4 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS15.511.0 — better
Further details — not scored
Size122 MB2.2 GB
Age rating17+4+
Developer深圳市轩宇车鼎科技有限公司HK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

OBDSTAR

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

TopScan Pad

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

In-app purchases

None

OBDSTAR

No in-app purchases

None

TopScan Pad

No in-app purchases

Questions

Is OBDSTAR free?
OBDSTAR is free to download, with no in-app purchases.
Is TopScan Pad free?
TopScan Pad is free to download, with no in-app purchases.
Which has better reviews, OBDSTAR or TopScan Pad?
TopScan Pad is rated higher. OBDSTAR averages 1.5 out of 5 from 4 ratings, while TopScan Pad averages 4.4 from 5 ratings.
Do OBDSTAR or TopScan Pad have ads?
OBDSTAR shows ads; TopScan Pad does not.
Which is updated more often, OBDSTAR or TopScan Pad?
OBDSTAR ships an update every 6 months, and TopScan Pad every 4 months. Most recently, OBDSTAR was updated on October 9, 2026 and TopScan Pad on October 16, 2026.

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