Comparison

BlueDriver OBD2 Scan Tool vs DeltaAuto

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

Head to head
About

BlueDriver OBD2 Scan Tool

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

Highlights
  • Read and clear trouble codes (Check Engine, ABS, etc.)
  • Generate professional-grade Repair Reports
  • Access Mode 6 and smog readiness data
  • View live data with interactive graphing
  • Wireless Bluetooth scanning
  • Likely fixes explained in plain language
Read full description

BlueDriver® transforms your iPhone or iPad into a powerful OBD2 scan tool – trusted by over 1 million drivers, from professional mechanics to DIYers. Paired with the BlueDriver Bluetooth® Sensor (sold separately), it lets you read codes, diagnose issues, and fix your car with confidence—no wires, no guesswork. Whether you're checking a check engine light, running a smog test, or diving into enhanced diagnostics like ABS or transmission codes, BlueDriver gives you the tools you need to understand your vehicle and make smarter repair decisions – with clear, easy-to-understand information. What You Can Do with BlueDriver · Read and clear trouble codes - including check engine, ABS, airbag, transmission, and more · Generate, save, and share professional-grade Repair Reports based on your exact vehicle and trouble code · Access Mode 6 on-board monitoring test results · Check smog readiness and freeze frame data · View live data with multi-PID interactive graphing · Scan your vehicle wirelessly with Bluetooth—no cables required · Choose between metric and imperial settings · Get likely fixes for your vehicle’s issues, explained in plain language Enhanced Diagnostics Coverage · GM, Ford, Chrysler, Toyota, Nissan, Mazda, Mercedes (2005+ models) · Mitsubishi (2008+), Hyundai/Kia (2012+) – available worldwide · BMW/Mini, Honda/Acura, Volkswagen/Audi – available in North America · Subaru – available in the United States What Makes BlueDriver Different? · No subscription required · Backed by a database of millions real-world fixes · Repair Reports are specific to your vehicle’s year, make, and model · Works globally with the BlueDriver Sensor · App is free to install—just pair with the Sensor to start scanning You can even preview a Repair Report without a Sensor by entering your VIN and a trouble code. Account Setup Made Easy You’ll create a BlueDriver account during setup—it’s quick and easy, and gives you secure access to all your scans, reports, and new features across any device. Important Info The BlueDriver Sensor plugs into your vehicle’s data port (found in every car built since 1996). It connects to the app via Bluetooth® to deliver full diagnostic functionality. Sensor sold separately in-app or at www.BlueDriver.com

About

DeltaAuto

Easily manage vehicle maintenance, fuel logs, and repairs in one place. Track services by mileage or engine hours, log fuel fill-ups with MPG calculations, and view upcoming maintenance with alerts. Your data stays private on your device.

Highlights
  • Track maintenance by mileage or engine hours
  • Log fuel fill-ups with MPG calculations
  • Export data to email, Google Drive, or Excel
  • Import data for easy device switching
  • View upcoming maintenance with alerts
  • Log service costs, notes, and part numbers
  • Supports multiple vehicles
Features
Read full description

DeltaAuto – Simple Vehicle Maintenance & Fuel Tracking DeltaAuto makes it easy to stay on top of your vehicle’s maintenance without the hassle of ads, logins, or subscriptions. Track services, fuel fill-ups, and repairs all in one clean, easy-to-use app—designed for real drivers, by real drivers. Key Features: • Track maintenance by mileage or engine hours • Log fuel fill-ups with optional MPG calculations • Export backups to email, Google Drive, or Excel • Import data to easily switch devices • View upcoming maintenance with color-coded alerts • Log costs, notes, and part numbers for every service • No accounts. No tracking. Your data stays on your device. • Supports multiple vehicles, each with its own full log Whether you’re managing your daily driver, a small fleet, or even lawn equipment, DeltaAuto is built to give you full control—without sacrificing privacy or usability.

Screenshots

BlueDriver OBD2 Scan Tool4 screens
DeltaAuto4 screens

Verdict

The call

The clearest difference is price: BlueDriver OBD2 Scan Tool at Free against DeltaAuto's $0.99. BlueDriver OBD2 Scan Tool also leads on ratings volume (14K vs 1). DeltaAuto's advantage is update cadence (daily vs fortnightly) and rating (5.0 vs 4.6). On ads, in-app purchases 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

BlueDriver OBD2 Scan Tool is free to download; DeltaAuto costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

DeltaAuto holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: BlueDriver OBD2 Scan Tool has 14K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

BlueDriver OBD2 Scan Tool ships an update fortnightly, DeltaAuto daily. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
BlueDriver OBD2 Scan Tool versus DeltaAuto: the parameters behind the verdict, then further details
ParameterBlueDriver OBD2 Scan ToolDeltaAuto
PriceFree — better$0.99
Rating4.6 (14K ratings)5.0 (1 ratings) — better
Positive reviews58.5% of reviews—
Number of ratings14K — better1
Update frequencyFortnightlyDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.612.0 — better
Further details — not scored
Size273 MB30 MB
Age rating4+4+
DeveloperLemur Vehicle MonitorsDeltaApps LLC

Customer experience

BlueDriver OBD2 Scan Tool

All ratings13,728 ratings
Positive90.7%
Neutral2.2%
Negative7.1%
Written reviews930 reviews
Positive58.5%
Neutral5.5%
Negative36.0%

DeltaAuto

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

BlueDriver OBD2 Scan Tool

Reported bugs

3 issues
  • Occasional app crashes
  • Failure to detect vehicle faults in some cases
  • Inability to update firmware on certain devices

Requested features

10 requests
  • Add support for more vehicle makes and models
  • Improve Bluetooth stability and connectivity
  • Implement odometer reading functionality
  • Expand diagnostic capabilities to include more advanced features
  • Add support for European vehicle VINs
Show 5 more
  • Enable reading of additional fault codes (e.g., airbag)
  • Maintain compatibility with older iOS versions
  • Introduce CarPlay integration
  • Add customizable live data dashboards
  • Implement audible alerts for critical sensor readings

DeltaAuto

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

BlueDriver OBD2 Scan Tool

No in-app purchases

None

DeltaAuto

No in-app purchases

Questions

Is BlueDriver OBD2 Scan Tool free?
BlueDriver OBD2 Scan Tool is free to download, with no in-app purchases.
Is DeltaAuto free?
DeltaAuto costs $0.99, with no in-app purchases.
Which has better reviews, BlueDriver OBD2 Scan Tool or DeltaAuto?
DeltaAuto is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while DeltaAuto averages 5.0 from 1 ratings.
Do BlueDriver OBD2 Scan Tool or DeltaAuto have ads?
Neither BlueDriver OBD2 Scan Tool nor DeltaAuto shows ads.
Which is updated more often, BlueDriver OBD2 Scan Tool or DeltaAuto?
BlueDriver OBD2 Scan Tool ships an update fortnightly, and DeltaAuto daily. Most recently, BlueDriver OBD2 Scan Tool was updated on November 6, 2026 and DeltaAuto on November 4, 2026.

Other comparisons