Comparison

Advancer AD20 vs Chainsaw Chain Finder

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

Chainsaw Chain Finder

Features
Read full description

Chain Finder works out what chain your saw takes from the chain itself — and then remembers it, so you only ever do it once. KEEP YOUR SAWS Add every saw you own and record its pitch, gauge and drive link count against it. Call them whatever you call them in the shed. Next time you are standing at a counter, you open the app and read your own note instead of trying to remember which one takes the 56 link and which takes the 72. MEASURE, AND WATCH IT NARROW Five possible pitches sit on the screen. Measure across three rivet centres, type the number, and the ones that cannot be yours grey out. One measurement usually takes it down to one or two — then a single tap files the answer against the saw it came off. WHEN TWO ARE TOO CLOSE, IT SAYS SO 3/8 inch and 3/8 low profile are four tenths of a millimetre apart across three rivets. No tape measure separates them and no honest chart pretends otherwise. Chain Finder tells you they are tied and gives you what actually breaks the tie. NO MODEL LISTS, NOTHING TO GO STALE There is no database of manufacturers here and no part numbers. It works from the chain in your hand, which is why it reads the same on a saw made this year and one made thirty years ago. Anything you type against a saw stays on your device. WORKS OFFLINE No account, no signal. Measure a clean chain, use a steel rule rather than a tape where you can, and check against the markings on your bar before buying.

Screenshots

Advancer AD203 screens
Chainsaw Chain Finder4 screens

Verdict

The call

The clearest difference is in-app purchases: Advancer AD20 at none against Chainsaw Chain Finder's 1. Advancer AD20 also leads on iOS requirement (13.0 vs 16.4). Chainsaw Chain Finder's advantage is update cadence (daily vs monthly). On price, ads and device support 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. Chainsaw Chain Finder sells 1 one-off in-app purchase. Advancer AD20 asks for nothing beyond the download.

UpkeepUpdate frequency

Advancer AD20 ships an update monthly, Chainsaw Chain Finder daily. The most recent releases landed on October 30, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Advancer AD20 versus Chainsaw Chain Finder: the parameters behind the verdict, then further details
ParameterAdvancer AD20Chainsaw Chain Finder
PriceFreeFree
Rating2.4 (65 ratings) — better—
Positive reviews13.9% of reviews—
Number of ratings65 — better—
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size533 MB37 MB
Age rating12+4+
Developer深圳市云伽未来智能技术有限公司EVREN YUCEBAS

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)

Chainsaw Chain Finder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Advancer AD20

No in-app purchases

1 purchases

Chainsaw Chain Finder

One-time1
  • Full Version$4.99

Questions

Is Advancer AD20 free?
Advancer AD20 is free to download, with no in-app purchases.
Is Chainsaw Chain Finder free?
Chainsaw Chain Finder is free to download, with in-app purchases available.
Do Advancer AD20 or Chainsaw Chain Finder have ads?
Neither Advancer AD20 nor Chainsaw Chain Finder shows ads.
Which is updated more often, Advancer AD20 or Chainsaw Chain Finder?
Advancer AD20 ships an update monthly, and Chainsaw Chain Finder daily. Most recently, Advancer AD20 was updated on October 30, 2026 and Chainsaw Chain Finder on October 4, 2026.

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