Comparison

NexzScan vs 星卡TD

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

Head to head
About

NexzScan

This tool helps diagnose car engine issues by connecting to your vehicle's OBD port. It provides detailed reports on error codes, their causes, and live data, making car repair more efficient and accessible. The app offers a user-friendly interface and comprehensive vehicle support.

Highlights
  • Read and clear engine codes
  • Detailed diagnosis reports
  • Customized live data display
  • Powerful DTC definition database
  • One-key app updates
  • Bluetooth 4.2 connection
Features
Read full description

NexzScan OBD2 Scanner is a high cost-effective, portable and professional tool which supports almost all gasoline cars after 2000 till now, making car repair easier. It is designed with VCI+ FREE App with powerful database and detailed diagnosis report, offering you not only the code definition, but a list of possible causes, greatly increases the repair efficiency. It is easy to operate, just plug the sensor to the OBD port and pair it with your phone through Bluetooth 4.2. From then on, do no need to worry about the Check Engine Light on anymore. Highlight: - High Cost-effective Device: Compared with the handheld tools and other scanners, NexzScan is designed with the character of higher cost-effective, more customized and user-friendly, saving you both time and money. - Enhanced OBD Diagnosis: Fully covers OBD diagnosis Modes, not only includes read & clear codes, freeze frame, but O2 sensor, Smog Check, Battery Test, MIL Status, etc. all available. - Detailed Diagnosis Report: For each DTC, the code definition as well as possible causes are listed clearly by simple and easy-to-understand explanation instead of confusing terms. - Powerful Database: Exclusively provides nearly 40K kinds DTC definition & vehicle information query, leading the industry. - Customized Live Data: Diversified live data display method: digital, dashboard and graph display. Meanwhile, you can merge multi-parameters in one graph and see how they affect each other. - Data Mange: Provides the platform to review the stored data in time, both images and videos. - One-Key Update in App: No PC, no USB, no SD card are needed. Click the upgrade information and update it into the latest version within the App in time. Features: -Bluetooth 4.2 fast and stable connection. -Support all standard OBD2 protocols: SAE_J1850(PWM,VPW), ISO_9141-2, ISO_14230-4(KWP, KWP-FAST), ISO_15765-4(CAN, CAN-B,CAN-C,CAN-D), SAE_J1939(CAN), USER1,USER2. -Wide vehicle coverage: Works on any gasoline car (Japan, Canada, US, EU, etc.)with standard OBD2 DLC,including 57 brands. -Codes reading: retrieves confirmed codes, pending codes and current codes. -Supports multi ECU code reading: from 7E8 to 7EF(including Engine, Transmission and other control modules). -Enhanced DTC analysis: code definition, code description, code symptoms, code causes listed clearly . -Clear and visualized UI: provides you with easy-to-operate guide, no confusing terms. Function: -Read and Clear Codes: Read and clear engine codes. -Freeze Frame: A snapshot of the vehicle when the code is stored. -Live Data: DIY diversified PID display methods and multi-parameters comparison. -O2 Sensor: Check the vehicle O2 sensor values. -Smog Check: Check if the vehicle is ready for a smog or emissions test. -MIL Status: Diagnose the car when the Malfunction Indicator Lamp is on. -Mode 6: Advanced test results (like misfire counts) for on-board diagnostic system monitors. -Battery Test: Show battery voltage and comment battery status.

About

星卡TD

This innovative car diagnostic tool offers professional-level performance for mechanics and DIY enthusiasts. It supports over 100 car brands with 15 special reset functions, rivaling expensive professional tools. The device connects wirelessly to the app via Bluetooth for smart diagnostics.

Highlights
  • Professional-level car diagnostics
  • Supports 100+ car brands
  • 15 special reset functions
  • Bluetooth connectivity
  • Smart diagnostic device
  • Suitable for repair shops and DIYers
Features
Read full description

星卡TD是一款创新的汽车诊断工具 专为维修技师设计,中小型维修 商店和DIY维修爱好者,以达到原始制造商的水平 诊断性能。可以支持100多辆车 品牌的诊断服务,包括15个专项维修 重置功能。可媲美千元级别的专业诊断工具。 星卡TD也是一款智能诊断设备。 星卡TD通过蓝牙与应用程序连接进行工作。

Screenshots

NexzScan3 screens
星卡TD2 screens

Verdict

The call

The clearest difference is rating: 星卡TD at 5.0 against NexzScan's 2.1. 星卡TD also leads on iOS requirement (9.0 vs 15.6). NexzScan's advantage is ratings volume (27 vs 1). On price, update cadence, 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

星卡TD holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: NexzScan has 27 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

NexzScan ships an update every 3 weeks, 星卡TD every 5 weeks. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
NexzScan versus 星卡TD: the parameters behind the verdict, then further details
ParameterNexzScan星卡TD
PriceFreeFree
Rating2.1 (27 ratings)5.0 (1 ratings) — better
Positive reviews7.1% of reviews—
Number of ratings27 — better1
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size142 MB260 MB
Age rating4+17+
Developer美泉 黄THINKCAR INC

In-app purchases

None

NexzScan

No in-app purchases

None

星卡TD

No in-app purchases

Questions

Is NexzScan free?
NexzScan is free to download, with no in-app purchases.
Is 星卡TD free?
星卡TD is free to download, with no in-app purchases.
Which has better reviews, NexzScan or 星卡TD?
星卡TD is rated higher. NexzScan averages 2.1 out of 5 from 27 ratings, while 星卡TD averages 5.0 from 1 ratings.
Do NexzScan or 星卡TD have ads?
Neither NexzScan nor 星卡TD shows ads.
Which is updated more often, NexzScan or 星卡TD?
NexzScan ships an update every 3 weeks, and 星卡TD every 5 weeks. Most recently, NexzScan was updated on October 25, 2026 and 星卡TD on October 21, 2026.

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