Comparison

OBDSTAR vs TopScan for Bimmers

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 for Bimmers

Transform your phone into a powerful car diagnostic tool. Connect via Bluetooth to perform full system scans, access live data, and execute special maintenance functions. Generate detailed reports and identify issues with bi-directional controls.

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

Connect the TopScan to your Phone via Bluetooth and turn your devices into a smart and powerful diagnostic tool! The Bluetooth OBDIIscan 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
TopScan for Bimmers4 screens

Verdict

The call

The clearest difference is rating: TopScan for Bimmers at 5.0 against OBDSTAR's 1.5. TopScan for Bimmers also leads on ads (none vs shown) and update cadence (every 2 months vs every 6 months). OBDSTAR's advantage is ratings volume (4 vs 1). On price, 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.

ReceptionRating · Positive reviews · Number of ratings

TopScan for Bimmers holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

OBDSTAR ships an update every 6 months, TopScan for Bimmers every 2 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
OBDSTAR versus TopScan for Bimmers: the parameters behind the verdict, then further details
ParameterOBDSTARTopScan for Bimmers
PriceFreeFree
Rating1.5 (4 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 6 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.511.0 — better
Further details — not scored
Size122 MB676 MB
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 for Bimmers

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OBDSTAR

No in-app purchases

None

TopScan for Bimmers

No in-app purchases

Questions

Is OBDSTAR free?
OBDSTAR is free to download, with no in-app purchases.
Is TopScan for Bimmers free?
TopScan for Bimmers is free to download, with no in-app purchases.
Which has better reviews, OBDSTAR or TopScan for Bimmers?
TopScan for Bimmers is rated higher. OBDSTAR averages 1.5 out of 5 from 4 ratings, while TopScan for Bimmers averages 5.0 from 1 ratings.
Do OBDSTAR or TopScan for Bimmers have ads?
OBDSTAR shows ads; TopScan for Bimmers does not.
Which is updated more often, OBDSTAR or TopScan for Bimmers?
OBDSTAR ships an update every 6 months, and TopScan for Bimmers every 2 months. Most recently, OBDSTAR was updated on October 24, 2026 and TopScan for Bimmers on October 16, 2026.

Other comparisons