Comparison

Auto Agent vs PowerVision 4

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

Head to head
About

Auto Agent

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

Highlights
  • Display live vehicle data
  • Read and clear diagnostic trouble codes
  • Create and playback data recordings
  • Send data recordings to technician
  • Remote technician assistance
  • Install vehicle software updates
Features
Read full description

The EZ LYNK Auto Agent combines function and convenience, revolutionizing the way you monitor, diagnose, and update your vehicle's software. Carry the automobile industry's most powerful tool in your pocket. - Display your vehicle's live data - Read and clear Diagnostic trouble codes - Create data recordings that can be played back at your convenience - Send data recordings to your chosen technician - Connect your technician to your automobile for remote assistance - Save yourself trips to your repair facility by allowing your technician to access your vehicle's data port - Install vehicle software updates sent directly to you from your chosen technician

About

PowerVision 4

Control your motorcycle's engine performance directly from your iPhone. Access hundreds of pre-loaded engine tunes or create custom ones. Easily flash tunes to your bike's ECU, monitor real-time engine data, and manage diagnostic trouble codes.

Highlights
  • Flash tunes to ECU
  • Access vast tune database
  • Record real-time engine data
  • Read/clear diagnostic codes
  • Remote tuning optimization
  • Autotune modes
  • Active tests for diagnostics
Features
Read full description

Power Vision 4 from Dynojet Research Inc. combined with your iPhone puts you in control of your bike’s engine. Gain access to hundreds of different tunes for various aftermarket components and easily flash any of them to you bike’s ECU. Unbelievably quick and easy to use; make more power and torque with the push of a button. Advanced users can edit hundreds of individual engine parameters to build a tune that’s dialed in for their unique setup using Dynojet’s integrated cloud tune delivery system. With the PV4 App and our pocket-sized PV4 device you can: • Flash tunes to your ECU – no setup required, just create an account, select your tune, flash, and ride the ultimate ride. • Access to vast database of pre-loaded tunes for different configurations – no custom tuning required. • Easily download and manage pre-loaded and custom tunes. • Record real-time engine data and review in WinPEP 8 Data Center. • Read, review, clear, and share diagnostic trouble codes (DTC’s) with built-in descriptions. • Flash an unlimited number of bikes with one device.* • Use licenses from your Power Vision Classic with your Power Vision 4. • Return to stock at any time – your original, factory tune is safely backed up on the cloud and on your phone. • Optimized for remote-tuning. – Easily ride, record, and share data logs with your tuner for trouble-free custom tuning without a dynamometer. • Keep your ECU – The Power Vision 4 reprograms your bike without having to remove or mail-in the ECU. Just plug into the diagnostic connector and flash, it’s really that easy. • Autotune - Choose from three different Autotune modes to dial your HD motorcycle in the way that fits you best. • Dynamometer Compatible - Plug your PV4 directly into your Dynojet Dynamometer to view channels, flash, read diagnostic information, read RPM via OBD, and load control without an inductive pickup. • Flashes on HD motorcycles as fast as 12.75 seconds (select models) • Active Tests help diagnose problems on your HD - cycle the fuel pump, indicators, water pump, and many other components when troubleshooting engine or electrical issues. • Diagnostic Routines allow you to bleed the ABS system at home World class, US-based customer service from our team of motorcycle enthusiasts is also available to suggest the best tune, review data recordings, or assist in troubleshooting. Your ultimate ride awaits with Power Vision 4 – download the app and see how easy tuning can be! * First bike license included with purchase of Power Vision 4 device. Requires purchase of license for each additional bike DISCLAIMER: Not legal for sale or use in California

Screenshots

Auto Agent4 screens
PowerVision 44 screens

Verdict

The call

The clearest difference is ratings volume: Auto Agent at 42K against PowerVision 4's 312. PowerVision 4's advantage is update cadence (monthly vs every 3 months). On price, rating, review sentiment and ads 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. Auto Agent sells 6 one-off in-app purchases and PowerVision 4 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Auto Agent against 4.9 for PowerVision 4. That said, the two scores are not equally well evidenced: Auto Agent has 42K ratings behind it against 312, so its average is the more settled of the two. Written reviews are what separate them: 75% of Auto Agent's written reviews are positive against 78% of PowerVision 4's.

UpkeepUpdate frequency

Auto Agent ships an update every 3 months, PowerVision 4 monthly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
Auto Agent versus PowerVision 4: the parameters behind the verdict, then further details
ParameterAuto AgentPowerVision 4
PriceFreeFree
Rating4.9 (42K ratings)4.9 (312 ratings) — better
Positive reviews74.8% of reviews77.9% of reviews — better
Number of ratings42K — better312
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size53 MB104 MB
Age rating4+4+
DeveloperEZ LYNKDynojet

Customer experience

Auto Agent

All ratings42,064 ratings
Positive96.9%
Neutral1.3%
Negative1.8%
Written reviews214 reviews
Positive74.8%
Neutral5.6%
Negative19.6%

PowerVision 4

All ratings312 ratings
Positive98.1%
Neutral1.0%
Negative1.0%
Written reviews163 reviews
Positive77.9%
Neutral8.0%
Negative14.1%

User reviews

Auto Agent

From 42K App Store ratings

What we love

  • 🚀 Great monitoring tool
  • 🔧 Useful for tuning and diagnostics
  • 👍 Easy to use and navigate
  • 💯 Excellent customer service
  • 🔋 Improved fuel economy

Room to improve

  • 🐛 Connection issues
  • 🤔 Lacking some customization options
  • 🔌 Compatibility problems with updates
  • 📵 No native CarPlay support
  • 🤷‍♂️ Unreliable tune updates

PowerVision 4

From 312 App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Intuitive app interface
  • 🚀 Fast tuning process
  • 👍 Excellent customer support
  • 🚀 Responsive bike performance

Room to improve

  • 🐛 App crashes and connectivity issues
  • 🔍 Limited tune options
  • 🔍 Lacking advanced tuning features
  • 🐛 Inaccurate sensor readings
  • 🔍 Clunky gauge operation

Bugs and requests

Auto Agent

Reported bugs

5 issues
  • App crashes and freezes
  • Disconnection issues with the device
  • Tune files disappearing or becoming inaccessible
  • Compatibility problems with iOS 14 updates
  • Unreliable Wi-Fi connectivity

Requested features

5 requests
  • Native support for Apple CarPlay
  • More customization options for gauges and titles
  • Ability to monitor more parameters
  • Improved GPS speed accuracy
  • Sound alerts for warning indicators

PowerVision 4

Reported bugs

4 issues
  • App crashes when using diagnostic functions
  • Bluetooth disconnects during tuning process
  • Sensor readings not updating correctly
  • Tune flashing fails intermittently

Requested features

5 requests
  • Add more pre-loaded tune options
  • Implement an auto-tune feature
  • Improve data logging and cloud integration
  • Expand support for wider range of bikes
  • Enhance live sensor data display

In-app purchases

6 purchases

Auto Agent

One-time6
  • 1 credit$1.99
  • 5 credits$9.99
  • 10 credits$19.99
Show 3 more
  • 20 credits$39.99
  • 50 credits$99.99
  • 100 credits$199.99
8 purchases

PowerVision 4

One-time8
  • Universal Token$10.00
  • Universal Token (3x)$30.00
  • Universal Token (5x)$50.00
Show 5 more
  • Universal Token (10x)$100.00
  • Universal Token (15x)$150.00
  • Universal Token (20x)$200.00
  • Universal Token (25x)$250.00
  • Universal Token (30x)$300.00

Questions

Is Auto Agent free?
Auto Agent is free to download, with in-app purchases available.
Is PowerVision 4 free?
PowerVision 4 is free to download, with in-app purchases available.
Which has better reviews, Auto Agent or PowerVision 4?
PowerVision 4 is rated higher. Auto Agent averages 4.9 out of 5 from 42K ratings, while PowerVision 4 averages 4.9 from 312 ratings.
Do Auto Agent or PowerVision 4 have ads?
Neither Auto Agent nor PowerVision 4 shows ads.
Which is updated more often, Auto Agent or PowerVision 4?
Auto Agent ships an update every 3 months, and PowerVision 4 monthly. Most recently, Auto Agent was updated on October 20, 2026 and PowerVision 4 on October 19, 2026.

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