Kiwi OBD vs NexzScan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kiwi OBD
This app transforms your smartphone into a comprehensive automotive diagnostic and performance tool. Monitor real-time vehicle data, diagnose check engine lights, and analyze driving efficiency. It also offers video overlay for performance tracking and data logging.
- Multi-parameter customizable dashboard
- Fuel efficiency monitoring with DriveGreen™
- Check engine light diagnostics and code clearing
- Real-time data logging with video overlay
- Performance metrics (0-60 times, horsepower, torque)
- Award-winning hardware interface compatibility
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-Overview Kiwi OBD is a professional dashboard, trip computer, OBD II scan tool, performance meter, driving efficiency monitor and more for your car. Designed in Silicon Valley, California, coupled with the SEMA award winning Kiwi OBD hardware interface by PLX Devices, this Kiwi OBD is 6 Apps in 1 making it the ultimate automotive tool kit. -MultiGauge™ Display up to 125 parameters in 6 preset modes (dashboard, engine, efficiency, trip, gear, and custom). This professional customizable dash was designed to outperform even the most expensive cars. -Fuel Efficiency with DriveGreen™ Drive smarter. Studies performed by fueleconomy.gov show that 33% of fuel is wasted simply by inefficient driving habits. Our proprietary award winning Kiwi Drive Green driving behavior algorithms provide optimal fuel efficiency feedback for any vehicle or driving conditions. Kiwi Drive Green receives sensor inputs, 'learns' your driving styles, and computes it into a 'Kiwi Score.' As you drive, the app conveniently displays your score alongside other fuel efficiency parameters. -Diagnostics Diagnose your check engine light without the hassle of visiting your dealer or mechanic. View the specific Error Codes, Pending Codes, Permanent Codes, Freeze Frame, Readiness Monitors as well as a simple description of the problem, from the convenience of your home. Once the problem has been addressed simply press reset to clear the code. -Data Logging and Video Overlay Capture live video with real-time data overlay. A great tool for driving trips, fleet vehicles, auto cross, and track days, Video Overlay mode simultaneously captures video and sensor readings to provide you with professional video feedback of your drive with superimposed real-time sensor data. Analyze vehicle performance. Select from up to 125 sensors to record, pause, stop, playback and export your data. -Performance (Coming soon) Measure your vehicle's true performance without spending $1000s on dynamometer testing, track testing, or drag strip runs. Kiwi measures real-time horsepower and torque and other metrics such as 0-60 times, 1/8 mile, 1/4 mile times, skidpad, inclinometer and more. -Kiwi Hardware Compatibility Kiwi 4 is more than a versatile OBD scan tool. Includes all the features and app compatibility of the Kiwi 3 with the following game changing new features. • 8 times faster than closest competitor with Kiwi OBD App • Integrated Micro SD card for data logging • Integrated speaker with audible warning/alerts • Built-in competition grade accelerometer • Selectable smartphone and self-run mode Kiwi 3 is a feature packed car to smartphone interface. Up to 4 times faster than the nearest competitor, Kiwi 3 uses ultra low power, installs in seconds, and can be left permanently installed in your vehicle. Kiwi 3 is compatible with all standard OBDII protocols and is able to update firmware via Bluetooth. When inserted into your OBDII port, Kiwi 3 sits just 0.68 inches thin making it the smallest, most discrete OBDII adapter. -Available Parameters *Not all OBDII compliant vehicles support all of the following parameters --Engine: Vehicle,Engine Speed Coolant Temperature Short,Long Term Fuel Trims Fuel Pressure,Level MAF,MAP Timing Advance Intake,Ambient Air Temperature Throttle Position Oxygen Sensor Voltages Barometric Pressure Catalytic Converter Temperature ECU Voltage Gear --Fuel Efficiency: MPG, km/l, L-100km 0-5 Min, 0-30 Min, 0-2 Hours Fuel Flow CO2 Emissions Kiwi Score, Smoothness, Drag, Accel, Decel --Trip: MPG, km/l, L-100km $ Used,Saved Trip Distance Traveled Fuel Used,Remaining Fuel Flow Average/Max Vehicle,Engine Speed Average,Maximum Engine Power,Torque Maximum CO2 Emission Rate Average,Maximum Kiwi Score Average --Emissions: Clear,Reset Engine Trouble Code Scan Trouble Codes with Fault Descriptions
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.
- Read and clear engine codes
- Detailed diagnosis reports
- Customized live data display
- Powerful DTC definition database
- One-key app updates
- Bluetooth 4.2 connection
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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.
Screenshots
Verdict
The clearest difference is rating: NexzScan at 2.1 against Kiwi OBD's 1.4. NexzScan also leads on in-app purchases (none vs 3). Kiwi OBD's advantage is iOS requirement (10.0 vs 15.6). On price, review sentiment, ratings volume and update cadence 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. Kiwi OBD sells 3 one-off in-app purchases. NexzScan asks for nothing beyond the download.
NexzScan holds the better App Store score, 2.1 against 1.4. Both are backed by a comparable volume of ratings — 37 and 27 respectively. Written reviews complicate that: 13% of Kiwi OBD's written reviews are positive against 7% of NexzScan's, so the app with the better star average is not the one people write more warmly about.
Kiwi OBD ships an update fortnightly, NexzScan every 3 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | Kiwi OBD | NexzScan |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (37 ratings) | 2.1 (27 ratings) — better |
| Positive reviews | 13.2% of reviews — better | 7.1% of reviews |
| Number of ratings | 37 — better | 27 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 141 MB |
| Age rating | 4+ | 4+ |
| Developer | PLX Devices, INC. | 美泉 黄 |
Customer experience
Kiwi OBD
NexzScan
In-app purchases
Kiwi OBD
- Video Overlay License$4.99
- Kiwi OBD Data Logging License$4.99
- Kiwi OBD Basic License$9.99
NexzScan
No in-app purchases






