Comparison

ZDOBD vs OBD2 Scanner

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

Head to head
About

ZDOBD

This diagnostic tool connects to portable diesel vehicle devices via Bluetooth to perform comprehensive vehicle checks. It allows users to view ECU information, diagnose and clear faults, monitor real-time data, and conduct specific tests like DPF regeneration.

Highlights
  • Bluetooth connectivity
  • ECU version information
  • Vehicle fault diagnosis and clearing
  • Real-time data flow monitoring
  • DPF regeneration
  • SCR testing
Features
Read full description

EPS001, a portable diesel vehicle diagnosis device, needs to be used with a cell phone, already supports IOS system,using bluetooth transmission mode. EPS001 can simultaneously perform communication testing on vehicles equipped with Cummins engine series, as well as vehicles in the United States and Europe, etc. It can view ECU version information, query vehicle maintenance faults, clear vehicle malfunctions, read real-time vehicle operation data flow, DPF regeneration, SCR test and other functions.

About

OBD2 Scanner

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

Highlights
  • Real-time engine data monitoring
  • Read and clear trouble codes
  • Performance tracking
  • Customizable dashboards
  • Repair manual database
  • Compatibility with OBD2 ELM327 adapters
Features
Read full description

Turn your phone into a car scanner : Diagnose & monitor with OBD2 Torque - Car Scanner ELM 327 ! Unlock your car's full potential: - OBD2 Diagnostics: Read & clear trouble codes, view real-time engine & sensor data. - Car Maintenance: Track service history, oil changes, and maintenance schedules. - Smart Driving Tools: HUD mode on windshield, Parking Finder, and Quick Navigation. - Performance Tracking: Monitor fuel efficiency, acceleration, and live gauges. - Custom Dashboards: Build personalized views with the info you need most. - Universal Compatibility: Supports standard OBD2 ELM327 Bluetooth/Wi-Fi scanners. Using tips: - The app requires a Wi-Fi or or Bluetooth 4.0 (Bluetooth LE) OBD2 ELM327 compatible adapter (device) to work. ELM327 devices plug into the diagnostics socket in the car and give your phone access to car diagnostics. - If you buy one of the cheap OBD2 ELM327 adapters , then make sure it’s not marked as v.2.1. These adapters are supported, but they have lots of bugs. - Vehicle ECUs vary in the amount of sensors supported. This app can’t show you something that is not provided by your car. Notice - This app are free-to-install, but has some premium features that need purchase/subscribe to use. Non-subscribed users can use each Premium feature for a limited number of times per day. - Subscriptions automatically renew unless cancelled 24 hours before the end of the period. - Manage your subscription and turn off auto-renewal in your account settings. - Any unused portion of a free trial will be forfeited if you subscribe. Term of use: https://appforlife.moniqtap.com/index.php/term-of-use/ Privacy Policy: https://appforlife.moniqtap.com/index.php/privacy-policy/

Screenshots

ZDOBD3 screens
OBD2 Scanner4 screens

Verdict

The call

The clearest difference is rating: OBD2 Scanner at 4.6 against ZDOBD's 2.0. OBD2 Scanner also leads on ratings volume (1.1K vs 4) and review sentiment (23% vs 0%). ZDOBD's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price, update cadence, monetization model 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. OBD2 Scanner sells 6 in-app purchases, starting at $6.99 per 7 days. ZDOBD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OBD2 Scanner holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: OBD2 Scanner has 1.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of ZDOBD's written reviews are positive against 23% of OBD2 Scanner's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
ZDOBD versus OBD2 Scanner: the parameters behind the verdict, then further details
ParameterZDOBDOBD2 Scanner
PriceFreeFree
Rating2.0 (4 ratings)4.6 (1.1K ratings) — better
Positive reviews0.0% of reviews22.5% of reviews — better
Number of ratings41.1K — better
Update frequencyMonthlyMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size22 MB102 MB
Age rating4+4+
Developer深圳市正德友邦科技有限公司Phong Pham

Customer experience

ZDOBD

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

OBD2 Scanner

All ratings974 ratings
Positive88.6%
Neutral4.0%
Negative7.4%
Written reviews71 reviews
Positive22.5%
Neutral2.8%
Negative74.6%

Bugs and requests

ZDOBD

Not enough reviews yet to summarise bugs or requests.

OBD2 Scanner

Reported bugs

8 issues
  • Bluetooth connection drops and requires reboot
  • App fails to connect to OBD2 devices
  • Sensors display N/A values in paid version
  • Cannot select vehicle profile
  • App crashes or becomes unresponsive
Show 3 more
  • Fault code reading not functioning
  • Unauthorized subscription charges after trial
  • Device not recognized by application

Requested features

6 requests
  • Oil temperature and transmission data
  • Wheel sensor information
  • Pending DTC display
  • Permanent check engine light clearing
  • Module-specific scanning selection
Show 1 more
  • Better privacy controls and data protection

In-app purchases

None

ZDOBD

No in-app purchases

6 purchases

OBD2 Scanner

Subscriptions5
  • Premium weeky freetrial3 Days trial$6.997 Days
  • Premium Weekly3 Days trial$7.997 Days
  • Premium Monthly$14.991 Month
Show 2 more
  • Premium Monthly$17.991 Month
  • Premium Yearly$59.991 Year
One-time1
  • Lifetime Premium$69.99

Questions

Is ZDOBD free?
ZDOBD is free to download, with no in-app purchases.
Is OBD2 Scanner free?
OBD2 Scanner is free to download, with in-app purchases available.
Which has better reviews, ZDOBD or OBD2 Scanner?
OBD2 Scanner is rated higher. ZDOBD averages 2.0 out of 5 from 4 ratings, while OBD2 Scanner averages 4.6 from 1.1K ratings.
Do ZDOBD or OBD2 Scanner have ads?
OBD2 Scanner shows ads; ZDOBD does not.
Which is updated more often, ZDOBD or OBD2 Scanner?
ZDOBD ships an update monthly, and OBD2 Scanner monthly. Most recently, ZDOBD was updated on November 3, 2026 and OBD2 Scanner on November 4, 2026.

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