Comparison

OBD2 Scanner vs Tech2

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

Head to head
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/

About

Tech2

This utility app offers real-time tuning and configuration for various operational modes. It provides advanced customization options for ignition timing, fuel, and compensation, along with anti-theft protection and analysis features.

Highlights
  • Real-time tuning
  • Anti-theft protection
  • Multiple operation modes
  • Injector tuning
  • Ignition timing tuning
  • BARO compensation
Features
Read full description

Application Functions Configuration: * Easy installation * Real-time tuning Security: * Anti-theft protection Operation Modes: * 3 modes Customization: * Calibration * Injector tuning * Ignition timing tuning * Compensation tuning Analysis: * Analysis Additional Tuning: * TPS enrichment tuning * Fuel start tuning Compensation: * BARO compensation

Screenshots

OBD2 Scanner4 screens
Tech24 screens

Verdict

The call

The clearest difference is in-app purchases: Tech2 at none against OBD2 Scanner's 6. Tech2 also leads on ads (none vs shown) and review sentiment (50% vs 23%). OBD2 Scanner's advantage is update cadence (monthly vs every 3 months). On price 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. Tech2 asks for nothing beyond the download.

UpkeepUpdate frequency

OBD2 Scanner ships an update monthly, Tech2 every 3 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard6 real differences · 4 level
OBD2 Scanner versus Tech2: the parameters behind the verdict, then further details
ParameterOBD2 ScannerTech2
PriceFreeFree
Rating4.6 (974 ratings) — better—
Positive reviews23.2% of reviews50.0% of reviews — better
Number of ratings974 — better—
Update frequencyMonthly — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS17.014.0 — better
Further details — not scored
Size102 MB52 MB
Age rating4+17+
DeveloperPhong PhamECU=SHOP

Customer experience

OBD2 Scanner

All ratings974 ratings
Positive88.6%
Neutral4.0%
Negative7.4%
Written reviews69 reviews
Positive23.2%
Neutral2.9%
Negative73.9%

Tech2

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Bugs and 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

Tech2

Not enough reviews yet to summarise bugs or requests.

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
None

Tech2

No in-app purchases

Questions

Is OBD2 Scanner free?
OBD2 Scanner is free to download, with in-app purchases available.
Is Tech2 free?
Tech2 is free to download, with no in-app purchases.
Do OBD2 Scanner or Tech2 have ads?
OBD2 Scanner shows ads; Tech2 does not.
Which is updated more often, OBD2 Scanner or Tech2?
OBD2 Scanner ships an update monthly, and Tech2 every 3 months. Most recently, OBD2 Scanner was updated on October 17, 2026 and Tech2 on October 16, 2026.

Other comparisons