Kiwi OBD vs ChkOBD OBD2 Analyzer
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
ChkOBD OBD2 Analyzer
Connect your iPhone or iPad to your car's engine to view vital data. Access basic engine values for free, with in-app purchases for advanced diagnostics, smog check readiness, VIN analysis, and error decoding.
- View engine values
- In-app purchase for advanced data
- Smog Check Assistant
- VIN Analyzer
- Error Decoder and Reset
- Bluetooth adapter compatibility check
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ChkOBD let you connect your iPhone and iPad to your Car and view the most important Engine values in a very intuitive user interface in an appealing user-friendly way. ChkOBD connects wirelessly to an ELM237 enabled OBDII - Bluetooth adapter which is readily available from many 3rd party vendors. From this free application that let you have access to the basic “Engine Values”, you will have In-App purchase to access additional information such as : . Advanced Engine Values, an extended choice of sensors available on your car, that you can select and monitor. The available Engine Value from your car, are all listed in a “grey” mode, so, you will have no surprise of what you will get (or not get !) after the In App purchase . Smog Check Assistant, to know if your car will pass the next Smog Check at the state official station, or the App will let you know what needs to be fixed, before driving there, . VIN Analyzer, will let you know what information is in the “government file” from your car, including date and place of manufacturing, . Error Decoder and Reset, to know what is the current error that is in the Memory of the computer of your car and let you have a way to try to reset this error (Normally, it comes back on, if the cause of the error is not mechanically fixed). This is an error scan that is going through about 4'000 possible errors. Usually all these information will be read from all car that have been sold in the USA after 2005. The fact that these applications are offered from inside a free app, in our side, from this free app, we are able to check before any of your purchase, that your car and your Bluetooth adapter will be 100% compatible with these applications. We are using this technology to try to provide to our customers the best possible satisfaction.
Screenshots
Verdict
The clearest difference is rating: ChkOBD OBD2 Analyzer at 3.0 against Kiwi OBD's 1.3. Kiwi OBD's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (38 vs 4). On price, ads, in-app purchases and monetization model 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 and ChkOBD OBD2 Analyzer sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
ChkOBD OBD2 Analyzer holds the better App Store score, 3.0 against 1.3. That said, the two scores are not equally well evidenced: Kiwi OBD has 38 ratings behind it against 4, so its average is the more settled of the two.
Kiwi OBD ships an update fortnightly, ChkOBD OBD2 Analyzer every 3 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | Kiwi OBD | ChkOBD OBD2 Analyzer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (38 ratings) | 3.0 (4 ratings) — better |
| Positive reviews | 13.2% of reviews | — |
| Number of ratings | 38 — better | 4 |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 51 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | PLX Devices, INC. | Check On-Board Diagnostics LLC |
Customer experience
Kiwi OBD
ChkOBD OBD2 Analyzer
In-app purchases
Kiwi OBD
- Video Overlay License$4.99
- Kiwi OBD Data Logging License$4.99
- Kiwi OBD Basic License$9.99
ChkOBD OBD2 Analyzer
- Smog Check Assistant$4.991 Month
- VIN Analyzer$1.99
- Error Analyzer$2.99
- Advance Engine Values$4.99
Questions
Is Kiwi OBD free?
Is ChkOBD OBD2 Analyzer free?
Which has better reviews, Kiwi OBD or ChkOBD OBD2 Analyzer?
Do Kiwi OBD or ChkOBD OBD2 Analyzer have ads?
Which is updated more often, Kiwi OBD or ChkOBD OBD2 Analyzer?
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