Comparison

ThinkDiag+ vs Torque Pro

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

Head to head
About

ThinkDiag+

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

Highlights
  • OE-level diagnostic functions
  • Full OBD II diagnosis
  • Special maintenance functions
  • Supports 100+ vehicle brands
  • Automatic VIN reading
  • Professional diagnostic reports
  • In-app user community
Features
Read full description

1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2. Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3. Support vehicle maintenance light return to normal. 4. Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports. 7. Be able to communicate with other users within the ThinkDiag community (share/help/support). Not only for "ThinkDiag" and "ThinkDiag 2" device, but also works for "ThinkDiag Mini", "ThinkDirver", and "Thinkcar Pro" devices. ThinkDiag, an innovative vehicle diagnostic tool, is specially designed for repair technicians, small and medium-sized repair shops, and DIYers, to achieve the original manufacturer level diagnostic performance. It supports more than 100 vehicle brands of diagnostic services, including 15 special maintenance reset functions. ThinkDiag is as good as those comprehensive diagnostic equipment costed thousands of dollars. ThinkDiag is also an intelligent diagnostic device. Connecting with smartphone via Bluetooth, it is controlled to work by app. In the app, there is a diagnostic software store, and users can subscribe for diagnostic software according to their needs. ***Contact Us W: www.mythinkcar.com E: service@mythinkcar.com P: +1 833-692-2766 2151 S Haven Ave Unit 203 Ontario CA 91761 USA

About

Torque Pro

Transform your phone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live sensor data, and analyze performance with real-time graphs. Get AI-powered insights and detailed vehicle history reports.

Highlights
  • Read and clear trouble codes (DTCs)
  • Live sensor data monitoring and logging
  • AI-powered trouble code explanations
  • Real-time dyno graphs and performance testing
  • Customizable dashboard themes
  • Full vehicle history reports
Features
Read full description

Torque Pro: OBD2 Car Scanner – Professional Vehicle Diagnostics & Performance Tools Turn your iPhone into the ultimate automotive diagnostic companion. Whether you're a professional mechanic, passionate enthusiast, or everyday driver, Torque Pro delivers comprehensive vehicle insights with an intuitive, powerful interface designed for both beginners and experts. AI-POWERED DIAGNOSTICS & ENHANCED FEATURES • NEW: Full vehicle history report: Get a clear picture of your car's past, including accident history, mileage discrepancies, title issues, and more. • NEW: AI Mechanic provides plain-language trouble code explanations and repair recommendations • NEW: Enhanced performance testing with real-time dyno graphs and improved accuracy • NEW: Multiple premium dashboard themes with customizable gauge layouts COMPREHENSIVE DIAGNOSTICS • Read and clear trouble codes (DTCs) to immediately identify issues • Reset check engine light after addressing problems • Monitor emission readiness status and inspection preparation • View live sensor data with real-time updates and logging • Save diagnostic sessions for historical comparison and tracking PREMIUM DASHBOARD EXPERIENCES • Choose from multiple professionally designed layouts: Modern: Clean, information-rich interface with key metrics Classic: Traditional gauge-style presentation for familiar readings Performance: Focus on power, torque, and driving metrics Minimal: Distraction-free design showing only essential information ADVANCED PERFORMANCE TESTING • Real-time dynamometer mode calculates horsepower and torque curves • 0-60 mph acceleration testing with precision timing • Quarter-mile estimations and performance analytics • Track mode for recording lap times and performance metrics • Export performance data for detailed analysis COMPLETE SENSOR SUPPORT & CUSTOMIZATION • Monitor standard OBD2 sensors including RPM, speed, temperature, and more • Access advanced sensors: fuel rate, mass air flow, intake temperature, and fuel trim • Create and monitor custom PIDs for aftermarket sensors or specific vehicle functions • Configure warning thresholds with visual and audio alerts • Real-time graphing of multiple parameters simultaneously VEHICLE MANAGEMENT • Multi-vehicle garage with automatic VIN detection • Vehicle-specific profiles and settings COMPATIBILITY & CONNECTIVITY • Works with all OBD2-compliant vehicles (1996+ for US, 2001+ for EU) • Compatible with gasoline, diesel, hybrid, and many electric vehicles with OBD2 ports • Connects via Bluetooth to standard ELM327 and similar OBD2 adapters • Optimized for Wi-Fi adapters for faster data rates • Support for CAN, ISO, SAE and other manufacturer-specific protocols Subscription Options: • Weekly, Monthly, Yearly Premium. Subscription Details: • Payment will be charged to your Apple ID account at confirmation of purchase • Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours prior to the end of the current period • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • No cancellation of the current subscription is allowed during the active subscription period • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription Privacy Policy: https://www.sadynamics.com/torque-pro-privacy-policy/ Terms of Use: https://www.sadynamics.com/terms-of-use-torque-pro/ *Note: Requires compatible OBD2 Bluetooth or Wi-Fi adapter (not included) connected to your vehicle's OBD port. Feature availability may vary depending on your vehicle's make, model, and OBD implementation. For optimal performance and fastest refresh rates, we recommend using Wi-Fi adapters. Support: torque.pro@sadynamics.com

Screenshots

ThinkDiag+4 screens
Torque Pro4 screens

Verdict

The call

The clearest difference is review sentiment: ThinkDiag+ at 74% against Torque Pro's 6%. ThinkDiag+ also leads on in-app purchases (none vs 5) and ads (none vs shown). On price, update cadence 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. Torque Pro sells 5 in-app purchases, starting at $9.99 per 7 days. ThinkDiag+ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ThinkDiag+ holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: ThinkDiag+ has 4.3K ratings behind it against 520, so its average is the more settled of the two. Written reviews point the same way: 74% of ThinkDiag+'s written reviews are positive against 6% of Torque Pro's.

UpkeepUpdate frequency

ThinkDiag+ ships an update every 3 weeks, Torque Pro fortnightly. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

Scorecard7 real differences · 3 level
ThinkDiag+ versus Torque Pro: the parameters behind the verdict, then further details
ParameterThinkDiag+Torque Pro
PriceFreeFree
Rating4.5 (4.3K ratings) — better4.3 (520 ratings)
Positive reviews74.1% of reviews — better5.8% of reviews
Number of ratings4.3K — better520
Update frequencyEvery 3 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18
Further details — not scored
Size539 MB92 MB
Age rating17+4+
DeveloperTHINKCAR INCCollabrains Technologies LTD

Customer experience

ThinkDiag+

All ratings4,308 ratings
Positive88.1%
Neutral2.7%
Negative9.2%
Written reviews278 reviews
Positive74.1%
Neutral2.5%
Negative23.4%

Torque Pro

All ratings520 ratings
Positive81.7%
Neutral2.3%
Negative16.0%
Written reviews104 reviews
Positive5.8%
Neutral1.9%
Negative92.3%

User reviews

ThinkDiag+

From 4.3K App Store ratings

What we love

  • 🚀 Easy to use
  • 🚀 Powerful diagnostic capabilities
  • 🚀 Affordable price
  • 🚀 Helpful customer support
  • 🚀 Versatile for DIY and professionals

Room to improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Compatibility issues with certain vehicles
  • 🔒 Concerns about annual subscription fees
  • 🔒 Limited functionality on iOS devices

Torque Pro

From 520 App Store ratings

What we love

  • 💡 Best OBD2 scanner app
  • 👍 Great for Vauxhall Zafira B 1.7

Room to improve

  • 🚫 Requires subscription for full functionality
  • 🚫 Limited data points and slow performance
  • 🚫 Incompatible with many vehicles and OBD2 adapters
  • 🐛 Frequent crashes and connection issues
  • 🚫 Overpriced compared to alternatives

Bugs and requests

ThinkDiag+

Reported bugs

3 issues
  • Failure to recognize VIN or vehicle information
  • Inability to clear certain error codes
  • Inconsistent performance across different devices

Requested features

4 requests
  • Improved user interface and navigation
  • More detailed troubleshooting guides
  • Expanded vehicle coverage and special functions
  • Offline mode for diagnostics

Torque Pro

Reported bugs

3 issues
  • Unable to read DTC codes
  • Fails to connect to OBD2 adapters
  • Turns off vehicle when attempting to connect

Requested features

2 requests
  • Add support for Ssangyong Musso Grand
  • Improve compatibility with more vehicles and OBD2 adapters

In-app purchases

None

ThinkDiag+

No in-app purchases

5 purchases

Torque Pro

Subscriptions3
  • Torque Premium Weekly$9.997 Days
  • Torque Premium Monthly$14.991 Month
  • Torque Premium Yearly$59.991 Year
One-time2
  • 1 Full Vehicle History Report$19.99
  • 3 Full Vehicle History Report$29.99

Questions

Is ThinkDiag+ free?
ThinkDiag+ is free to download, with no in-app purchases.
Is Torque Pro free?
Torque Pro is free to download, with in-app purchases available.
Which has better reviews, ThinkDiag+ or Torque Pro?
ThinkDiag+ is rated higher. ThinkDiag+ averages 4.5 out of 5 from 4.3K ratings, while Torque Pro averages 4.3 from 520 ratings.
Do ThinkDiag+ or Torque Pro have ads?
Torque Pro shows ads; ThinkDiag+ does not.
Which is updated more often, ThinkDiag+ or Torque Pro?
ThinkDiag+ ships an update every 3 weeks, and Torque Pro fortnightly. Most recently, ThinkDiag+ was updated on October 19, 2026 and Torque Pro on October 16, 2026.

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