Comparison

DFirstCoder vs OBDPulse OBD2 Car Scanner

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

Head to head
About

DFirstCoder

This app provides comprehensive vehicle diagnostics and customization for car owners. It offers one-click app features for easy operation, Bluetooth connectivity, and the ability to read/clear trouble codes, perform smog checks, and view live data. It supports a wide range of vehicle models.

Highlights
  • One-click apps for easy operation
  • Comprehensive diagnostic features
  • Bluetooth wireless connectivity
  • Read and clear trouble codes
  • Smog check functionality
  • Live data display
  • Supports VAG, BMW, Mercedes-Benz models
Features
Read full description

DFirstCoder is an equipped with one-click apps feature professional OBDII Scanner App, designed for vehicle users who want to go beyond straightforward diagnostics. It includes comprehensive diagnostic features and customize numerous features of your vehicles with one-click, friendly to use even for beginners. Features: 1.2 in 1 OBDII coder. In addition to comprehensive diagnostic, one-click apps eliminate the need for tedious operation steps, making them easy to understand and operate, even for beginners. 2.Hot update. Updating the features or fixing bugs immediately without needing to update the app, it can respond to users needs and resolve functionality issue quickly. 3.Bluetooth connectivity, DFirstCoder's device supports wireless connection to your phone or tablet , and communicate with your vehicles rapidly. 4.Read & Clear codes, read the trouble codes of your vehicle and clear it. 5.Smog check. 6.MIL status. 7.Live data. 8.Freeze frame. 9.Mode 6 10.Covering a wide range of models, VAG Group, BMW Group, Mercedes-Benz, etc. are available. About DFirstCoder Information ———————————————————————————————————————————————————————————————————————————————————— DFirstCoder is an app to adapt DFirst device, owner of Shenzhen QIXIN Technology Co., LTD. It’s equipped with one-click apps and comprehensive diagnostic features. The app is free to download for user, and some of functions are free to use (e.g. clear temporary trouble codes,date-time synchronization and host reboot etc.). For more details, welcome to follow us, Website:www.dfirstcoder.com Facebook:https://www.facebook.com/qixinglobal Email: support@dfirstcoder.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OBDPulse OBD2 Car Scanner

Transform your iPhone into a professional car diagnostic tool. Scan, diagnose, and clear check engine lights with real-time data and advanced features. Understand your vehicle's performance and potential issues before visiting a mechanic.

Highlights
  • Read & Clear Fault Codes (DTCs)
  • Live Sensor Data (PID Monitoring)
  • Freeze Frame & Mode 6 Data
  • VIN & ECU Information
  • O2 Sensor & Emission Readiness
  • Service Reset & Control Functions
  • Track Mode
Features
Read full description

OBDPulse – Professional OBD2 Car Scanner Turn your iPhone into a powerful OBD2 diagnostic tool. OBDPulse helps you scan, diagnose, and clear your check engine light using a compatible Bluetooth Low Energy (BLE) OBD2 adapter. Whether you're troubleshooting a warning light or monitoring your vehicle’s performance, OBDPulse gives you reliable, real-time diagnostics in one easy-to-use app. Understand your vehicle before visiting a mechanic. KEY FEATURES Read & Clear Fault Codes (DTCs)
Access engine and ECU trouble codes. Clear stored codes and reset the check engine light. Live Sensor Data (PID Monitoring)
View real-time data such as RPM, vehicle speed, coolant temperature, fuel trims, O2 sensor readings, throttle position, battery voltage, and more. Freeze Frame & Mode 6
See vehicle conditions at the moment a fault was triggered. Access Mode 6 data for deeper emissions diagnostics. VIN & ECU Information
Retrieve VIN, ECU identifiers, and module information directly from your vehicle. O2 Sensor & Emission Readiness
Monitor O2 sensor activity and check I/M readiness status to prepare for emissions testing. Service Reset & Control Functions
Access supported service reset and control operations based on your vehicle and ECU compatibility. Available functions vary depending on vehicle support. Track Mode
Measure and monitor acceleration and speed-related performance metrics based on available live data. Terminal Mode (Advanced Users)
Send custom OBD commands directly to the vehicle’s ECU. COMPATIBILITY Requires a Bluetooth Low Energy (BLE) OBD2 adapter.
Bluetooth Classic adapters are not supported.
Compatible with most OBD2-compliant vehicles (typically 2000 onward, depending on region and manufacturer). PLANS Choose from flexible subscription plans: Plus Plan – Essential diagnostics
Pro Plan – Full diagnostics and advanced functions Available as Monthly, 6-Month, and Annual subscriptions. Limited features available for free. IMPORTANT • A supported BLE OBD2 adapter is required.
• OBDPulse does not support ECU tuning or remapping.
• Feature availability depends on vehicle make, model, year, and ECU support. SUPPORT Need assistance?
Contact us at support@obdpulse.com Terms of Use: https://www.obdpulse.com/terms-of-use 
Privacy Policy: https://www.obdpulse.com/privacy-policy

Screenshots

DFirstCoder3 screens
OBDPulse OBD2 Car Scanner4 screens

Verdict

The call

The clearest difference is rating: OBDPulse OBD2 Car Scanner at 5.0 against DFirstCoder's 4.8. OBDPulse OBD2 Car Scanner also leads on update cadence (weekly vs every 3 weeks). DFirstCoder's advantage is ratings volume (5 vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DFirstCoder sells 8 in-app purchases, starting at $108.99 per year and OBDPulse OBD2 Car Scanner sells 6 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OBDPulse OBD2 Car Scanner holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: DFirstCoder has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

DFirstCoder ships an update every 3 weeks, OBDPulse OBD2 Car Scanner weekly. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
DFirstCoder versus OBDPulse OBD2 Car Scanner: the parameters behind the verdict, then further details
ParameterDFirstCoderOBDPulse OBD2 Car Scanner
PriceFreeFree
Rating4.8 (5 ratings)5.0 (1 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings5 — better1
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size95 MB86 MB
Age rating17+4+
DeveloperShenzhen QiXin Technology Co., Ltd.Pushkal Technologies

In-app purchases

8 purchases

DFirstCoder

Subscriptions2
  • Pro Plan Subscription$108.991 Year
  • Pro Plan Subscription (Family)$158.991 Year
One-time6
  • 350 QD$4.99
  • 700 QD$9.95
  • 1400 QD$19.49
Show 3 more
  • 3500 QD$49.99
  • 7000 QD$96.99
  • 10500 QD$145.99
6 purchases

OBDPulse OBD2 Car Scanner

Subscriptions6
  • Plus$1.491 Month
  • Pro$2.991 Month
  • Plus$5.496 Months
Show 3 more
  • Plus$8.991 Year
  • Pro$14.991 Year
  • Pro$21.496 Months

Questions

Is DFirstCoder free?
DFirstCoder is free to download, with in-app purchases available.
Is OBDPulse OBD2 Car Scanner free?
OBDPulse OBD2 Car Scanner is free to download, with in-app purchases available.
Which has better reviews, DFirstCoder or OBDPulse OBD2 Car Scanner?
OBDPulse OBD2 Car Scanner is rated higher. DFirstCoder averages 4.8 out of 5 from 5 ratings, while OBDPulse OBD2 Car Scanner averages 5.0 from 1 ratings.
Do DFirstCoder or OBDPulse OBD2 Car Scanner have ads?
Neither DFirstCoder nor OBDPulse OBD2 Car Scanner shows ads.
Which is updated more often, DFirstCoder or OBDPulse OBD2 Car Scanner?
DFirstCoder ships an update every 3 weeks, and OBDPulse OBD2 Car Scanner weekly. Most recently, DFirstCoder was updated on October 7, 2026 and OBDPulse OBD2 Car Scanner on October 5, 2026.

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