U vs Mac Tools Smart Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U
This app allows users to diagnose vehicle issues using their smartphone and a compatible adapter. It provides access to check engine, ABS, and airbag codes, along with definitions and potential solutions. Users can also view live data and clear diagnostic trouble codes.
- Read and erase OBD II codes
- View live vehicle data
- ABS and Airbag code access
- Automatic vehicle identification
- Vehicle history log
- Powertrain enhanced data
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U-Scan provides DIYers and Professional Technicians with access to vehicle diagnostics using their smartphone when paired to the available U-Scan vehicle adapter. Developed by the Global leader in DIY and professional diagnostic scan tools. U-Scan provides essential information to diagnose vehicles fast while saving money. •Get the probable solution to a check engine, ABS, or Airbag light. Simply connect the adapter to the vehicle and pair with your smartphone to start the diagnostic process. •QuickCheck™ - Review vehicle emissions status (I/M Monitors, Codes). •Read Codes - Read Global OBD II codes and display the definition. •Erase Codes - Erase Global OBD II codes. •AutoID™ - Automatically identifies most 2000 and newer vehicles for error proof diagnostics. •TrueLink™ - U-Scan will link to all 1996 and newer vehicles. •MyGarage™ - Library of all previous diagnosed vehicles. •Vehicle Activity Log – Detailed history of your U-Scan activities. •Screen shot sharing via Facebook and email •Optional App Enhancements - For access to more advanced diagnostic capabilities. Powertrain Enhanced Data •Get access to Powertrain codes and definitions related to the check engine light for most 1996 and newer GM, Ford, Chrysler, Honda, Hyundai, Nissan and Toyota vehicles via the manufacturer specific Read Codes Powertrain diagnostic commands. •Manufacturer specific code definitions for GM, Ford, Chrysler, Toyota, Honda, Nissan, Hyundai, Audi, BMW, Daewoo, Isuzu, Jaguar, Kia, Land Rover, Mazda, Mercedes Benz, Mitsubishi, Porsche, Saab, Subaru, Suzuki, Volkswagen, and Volvo. •Freeze Frame data - Details the conditions of the vehicle at the time the trouble code was set. •View and Graph LIVE Data - View RPMs, coolant temperature, oxygen sensor readings and more for a faster diagnosis. Over 300 sensor and data items are available as supported by vehicle. •Unlock CodeConnect™ and access the most likely cause of the check engine light. Get manufacturer specific powertrain DTC fixes. (If CodeConnect™ is owned.) • Enable manufacturer specific Erase Codes Powertrain diagnostic commands. Optional App Enhancements include: ABS Codes and Definitions - $5.99 per vehicle or $29.99 all manufacturers listed below •Get access to the ABS brake codes and definitions related to the ABS warning light for most 1996 and newer GM, Ford, Chrysler, Honda, Hyundai, Nissan and Toyota vehicles via the manufacturer specific Read Codes ABS diagnostic command. •Unlock CodeConnect™ ABS fixes and access the most likely cause of the ABS warning light (If CodeConnect™ is owned.) • Enable manufacturer specific Erase Codes ABS diagnostic command. Airbag Codes and Definitions - $7.99 per vehicle or $39.99 all manufacturers listed below •Get access to the Airbag codes and definitions related to the Airbag warning light for most 1996 and newer GM, Ford, Chrysler, Honda, Nissan and Toyota vehicles via the manufacturer specific Read Codes Airbag diagnostic commands. •Unlock CodeConnect™ Airbag fixes and access the most likely cause of the Airbag warning light (If CodeConnect™ is owned.) • Enable manufacturer specific Erase Codes Airbag diagnostic commands. CodeConnect™- First vehicle included free with purchase of adapter. Additional vehicles access $12.99 per vehicle or $39.99 all vehicles •Get the next step in diagnosing your vehicle. Access over 4.3 Million Fixes that tell you what is wrong with your vehicle with CodeConnect™. CodeConnect™ is a comprehensive database of over 4.3 million verified fixes for the trouble codes that cause the check engine and ABS warning lights to illuminate. These actual vehicle fixes have been reported and then verified by our team of ASE certified technicians. •Note: You must purchase Powertrain Enhanced Data and/or ABS Codes and Definitions to access respective CodeConnect coverage for manufacture specific Powertrain and ABS warning lights
Mac Tools Smart Tools
This app allows users to precisely control and manage their smart torque wrenches. Set target torque, create custom tightening sequences, and record measurements for audit. Generate reports and track wrench calibration for improved efficiency and accuracy.
- Set target torque values
- Create and save torque sequences
- Record and export torque measurements
- Track wrench calibration dates
- Support for multiple torque units
- Angle measurement capabilities
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Faster, Easier, More Precise. With the Mac Tools App, take control of your Smart Torque wrench and set quickly target torque, help reduce errors, and record measurement for audit. Set values, recall favorites, and generate reports. Supports multi units N.m, kg.cm, lbf.ft and lbf.in as well as angle measurement. Quick Torque: - Easily set target torque as absolute values - Removing the need to read mechanical scales - Improve setup speed and reduce errors. Torque Sequence - Allows you to create and save complex sequences, - Single-pass sequences allows you to tighten each bolt to max specs in one go. - Multiple-pass sequences allows you to tighten each bolt in a multi-stage - The wrench will auto advance during the task once you have reached your target, saving time. Torque History - Create, export, and wirelessly share reporting of torque values for audit. - View completed Torque Activities - View Achieved Torque Target: Overtorque, Undertorque, or Within Range - View Achieved Angle: Exceeded or Within Range Wrench Management Tools - Click count towards calibration as determined by standards - Calibration date for the wrench from date of first pair
Screenshots
Verdict
The clearest difference is rating: Mac Tools Smart Tools at 4.6 against U's 1.9. Mac Tools Smart Tools also leads on in-app purchases (none vs 10) and review sentiment (25% vs 11%). U's advantage is iOS requirement (8.0 vs 13.0). On price, ratings volume, ads 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
Both are free to download. U sells 10 one-off in-app purchases. Mac Tools Smart Tools asks for nothing beyond the download.
Mac Tools Smart Tools holds the better App Store score, 4.6 against 1.9. Both are backed by a comparable volume of ratings — 125 and 66 respectively. Written reviews point the same way: 11% of U's written reviews are positive against 25% of Mac Tools Smart Tools's.
U ships an update every 4 months, Mac Tools Smart Tools every 2 months. Both last shipped on October 8, 2026.
| Parameter | U | Mac Tools Smart Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (125 ratings) | 4.6 (66 ratings) — better |
| Positive reviews | 10.9% of reviews | 25.0% of reviews — better |
| Number of ratings | 125 — better | 66 |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 85 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Service Solutions US LLC | Stanley Black & Decker, Inc. |
Customer experience
U
Mac Tools Smart Tools
Bugs and requests
U
Reported bugs
15 issues- Bluetooth connection drops frequently and won't reconnect
- App fails to recognize connected Bluetooth device
- Firmware update process freezes and becomes unresponsive
- False motion detection errors preventing app operation
- VIN entry not working or not submitting to garage
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- App crashes during scanning or data retrieval
- Device won't pair after firmware update
- App takes 2+ minutes to recognize connected device
- Bluetooth pairing requires manual connection in settings
- Vehicle module detection fails or shows incorrect modules
- App forces landscape mode without option to change
- Live data display limited to only two screens of information
- App won't function without mandatory vehicle garage entry
- Connection errors persist despite correct Bluetooth pairing
- App becomes unresponsive during update process
Requested features
10 requests- Enable live data monitoring while vehicle is in motion
- Improve Bluetooth auto-detection and automatic connection
- Add support for Australian vehicle models (Holden, Ford)
- Expand vehicle compatibility beyond 2013 models
- Implement dark mode for app interface
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- Add customizable data display options
- Improve app responsiveness and reduce connection delay
- Provide comprehensive manual and troubleshooting guides
- Add support for more vehicle modules (ABS, airbag, transmission)
- Implement automatic firmware updates without user intervention
Mac Tools Smart Tools
Not enough reviews yet to summarise bugs or requests.
In-app purchases
U
- ABS Codes and definitions for Single Vehicle$5.99
- ABS Code Vehicle 2$5.99
- Live Data and Manufacturer Specific Codes Vehicle 1$7.99
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- Airbag codes and definitions for vehicle 1$7.99
- CodeConnect Repair Solutions for a Vehicle$12.99
- Live Data and Manufacturer Specific Codes All Makes$15.99
- CodeConnect Repair Solutions 1 Vehicle Upgrade to All$27.99
- ABS Codes and Definitions All Vehicles$29.99
- CodeConnect Repair Solutions All Vehicles$39.99
- Airbag Codes and Definitions for All Makes$39.99
Mac Tools Smart Tools
No in-app purchases









