Comparison

Advancer AD20 vs OBD Home

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

Head to head
About

Advancer AD20

This app connects to a smart OBD dongle to provide vehicle health checks, diagnosis, and real-time monitoring. It helps identify fault codes, analyze driving habits, and offers maintenance reminders for enhanced driving safety.

Highlights
  • OBD-II Diagnosis
  • In-depth system check
  • Live vehicle data monitoring
  • Maintenance light reset
  • Trip recorder
  • Driving habits analysis
Features
Read full description

Advancer Smart OBD Dongle (AD20/AD20 Pro) is a smart diagnosis terminal that communicates with your iOS devices via BT 5.0. With the Advancer app, AD20 provides services like vehicle health check, diagnosis, driving habits analysis for car owners. Help the vehicle owner to check at any time whether the vehicle is out of order, display the cause of the fault and maintenance suggestions, monitor the status of the vehicle in real time and alert the safety hazards early to ensure your driving safety 1)OBD-II Diagnosis Advancer AD20 can read and categorize the fault codes (DTCs) that storage inside the vehicle ECU via standard OBD-II protocols. 2)In-depth Check In-depth check function allows you to do thorough check on vehicle systems like engine, powertrain, brakes, steering, safety, infotainment and so on, which helps owners to know the health condition of the car clearly and provide safe and comfortable driving experience on travels. Note: In-depth check on all systems is only supported on AD20 Pro; AD20 supports in-depth check on engine only. 3)Live Data When the car is started, Advancer will provide and demonstrate detailed vehicle status like battery voltage, engine revolution speed, coolant temperature, engine load, fuel trimming and so on. This will help you to get the real-time working conditions of the car. 4)Maintenance Light Reset Reset the maintenance counter and turn off the maintenance light after finishing maintenance. For your driving safety, make sure you have followed the manual when doing maintenance to your own car. Note: Maintenance light is a reminder set by car manufacturer, which reminds drivers to do maintenances when needed. When the reminder is on, the car will show info on the dashboard screen, or simply shows a light. 5)Trip Recorder When driving, Advancer will record the index like average speed, fuel consumption, mileage, max engine revolution speed, max coolant temperature and shows them on the app. This will help you to know vehicle status and fuel consumption info on the entire trip. 6)Driving Habits Monitor With the G-sensors inside Advancer, all the sharp turns, emergency brakes and sudden accelerations will be recorded and shown on the app after analyzed. This function will provide data support if you are willing to improve your driving skills.

About

OBD Home

This application connects to your vehicle via Bluetooth to provide diagnostic and monitoring functions. It allows for fault code reading and clearing, performance testing, and travel analysis, offering a comprehensive view of your car's health and driving habits.

Highlights
  • Fault code reading and clearing
  • Instrument panel monitoring
  • Performance testing
  • Travel analysis
  • Bluetooth 4.0/5.0 support
  • High-speed data transmission
Features
Read full description

OBD Home support V011 series products. OBD Home is a car diagnostic and monitoring application,support English,Español,Русский,日本語,中文. Through phone, use Bluetooth to communicate with the vehicle terminal to complete fault diagnosis and driving assistance functions. It has automobile detection and analysis functions such as fault code reading and clearing, instrument panel, performance test, and travel analysis. It also supports high-speed data transmission and has the advantages of low power consumption and ultra-power saving. caution: 1. Support the adapter that runs through Bluetooth 4.0/5.0. 2. The parameters supported by each vehicle are different, which has nothing to do with OBD Home, but is related to the vehicle control unit. 3. OBD Home for V011.

Screenshots

Advancer AD203 screens
OBD Home4 screens

Verdict

The call

The clearest difference is rating: OBD Home at 2.9 against Advancer AD20's 2.4. OBD Home also leads on review sentiment (32% vs 14%). On price, ratings volume, update cadence and ads 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

OBD Home holds the better App Store score, 2.9 against 2.4. Both are backed by a comparable volume of ratings — 65 and 50 respectively. Written reviews point the same way: 14% of Advancer AD20's written reviews are positive against 32% of OBD Home's.

UpkeepUpdate frequency

Advancer AD20 ships an update monthly, OBD Home every 3 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Advancer AD20 versus OBD Home: the parameters behind the verdict, then further details
ParameterAdvancer AD20OBD Home
PriceFreeFree
Rating2.4 (65 ratings)2.9 (50 ratings) — better
Positive reviews13.9% of reviews31.6% of reviews — better
Number of ratings65 — better50
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013
Further details — not scored
Size533 MB84 MB
Age rating12+4+
Developer深圳市云伽未来智能技术有限公司Shenzhen Chaoyue Technology Development Co.,Ltd

Customer experience

Advancer AD20

All ratings64 ratings
Positive29.7%
Neutral9.4%
Negative60.9%
Written reviews36 reviews
Positive13.9%
Neutral11.1%
Negative75.0%

OBD Home

All ratings48 ratings
Positive45.8%
Neutral6.3%
Negative47.9%
Written reviews38 reviews
Positive31.6%
Neutral7.9%
Negative60.5%

Bugs and requests

Advancer AD20

Reported bugs

14 issues
  • Cannot connect to scanner
  • Scanner tied to another account
  • Account creation issues (invalid email)
  • Device stops working after registration
  • Login timeouts
Show 9 more
  • Connection timeouts
  • Pairing issues (only once)
  • App crashes after iOS updates
  • App not working after iOS updates
  • App doesn't connect after iOS updates
  • App opens to nothing
  • Cannot login or register
  • Stuck on login/registration screen
  • Issue launching app on mobile network

Requested features

8 requests
  • Add more languages, including Chinese
  • Improve information availability for various car models
  • Fix issues with iOS updates
  • Improve app layout and navigation
  • Increase text size and contrast
Show 3 more
  • Remember most recent fault scans
  • Remove unnecessary login requirements
  • Fix connection issues on mobile networks (4G/5G)

OBD Home

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Advancer AD20

No in-app purchases

None

OBD Home

No in-app purchases

Questions

Is Advancer AD20 free?
Advancer AD20 is free to download, with no in-app purchases.
Is OBD Home free?
OBD Home is free to download, with no in-app purchases.
Which has better reviews, Advancer AD20 or OBD Home?
OBD Home is rated higher. Advancer AD20 averages 2.4 out of 5 from 65 ratings, while OBD Home averages 2.9 from 50 ratings.
Do Advancer AD20 or OBD Home have ads?
Neither Advancer AD20 nor OBD Home shows ads.
Which is updated more often, Advancer AD20 or OBD Home?
Advancer AD20 ships an update monthly, and OBD Home every 3 weeks. Most recently, Advancer AD20 was updated on October 30, 2026 and OBD Home on October 24, 2026.

Other comparisons