Comparison

KENNOL vs Advancer AD20

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

Head to head
About

KENNOL

Features
Read full description

International KENNOL app including: - full oil and fluid advisor (engine, transmission, coolants, brake fluid, specific fluids, etc.) - all the last 30 years Cars, vans, and motorbikes - unique and new anti-counterfeiting tool - all News about KENNOL products in racing

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.

Screenshots

KENNOL4 screens
Advancer AD203 screens

Verdict

The call

The clearest difference is ads: Advancer AD20 at none against KENNOL's shown. Advancer AD20 also leads on update cadence (monthly vs every 6 months). On price, in-app purchases, device support and iOS requirement 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.

UpkeepUpdate frequency

KENNOL ships an update every 6 months, Advancer AD20 monthly. The most recent releases landed on September 26, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
KENNOL versus Advancer AD20: the parameters behind the verdict, then further details
ParameterKENNOLAdvancer AD20
PriceFreeFree
Rating—2.4 (62 ratings) — better
Positive reviews—13.9% of reviews
Number of ratings—62 — better
Update frequencyEvery 6 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size41 MB496 MB
Age rating4+12+
DeveloperKENNOL Performance Oil深圳市云伽未来智能技术有限公司

Bugs and requests

KENNOL

Not enough reviews yet to summarise bugs or 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)

In-app purchases

None

KENNOL

No in-app purchases

None

Advancer AD20

No in-app purchases

Questions

Is KENNOL free?
KENNOL is free to download, with no in-app purchases.
Is Advancer AD20 free?
Advancer AD20 is free to download, with no in-app purchases.
Do KENNOL or Advancer AD20 have ads?
KENNOL shows ads; Advancer AD20 does not.
Which is updated more often, KENNOL or Advancer AD20?
KENNOL ships an update every 6 months, and Advancer AD20 monthly. Most recently, KENNOL was updated on September 26, 2026 and Advancer AD20 on October 12, 2026.

Other comparisons