Comparison

iQuad by Quadzilla vs Auto Agent

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

Head to head
About

iQuad by Quadzilla

This app provides wireless control and on-the-fly adjustments for specific performance modules. Monitor numerous engine parameters, customize gauge displays, and set safety limits. It offers advanced tuning capabilities and works with all compatible modules regardless of vehicle make or model.

Highlights
  • Wireless control
  • On-the-fly power changes
  • Up to 40+ monitored parameters
  • Customizable gauge displays
  • Turbo timer control
  • Data logging
  • Safety settings
Features
Read full description

The iQuad app was designed to be used specifically with Quadzilla Adrenaline Performance Modules. iQuad gives you all of the features previously only available with proprietary displays. This is the ONLY wirelessly controlled, on-the fly module/display combination available! You can watch up to10 monitored parameters at one time. iQuad has up to 40+ user selected gauges you can choose with simple finger swipes and never having to leave the main display! As with all Quadzilla products you also have the ability to set multiple safety settings as well as enable and modify many useful features. To change power levels simply touch the + or – on the main display to instantly change your engines performance. This app works with ALL Adrenaline modules regardless of vehicle make or model. You will have the ability to choose your specific vehicle once iQuad is installed on your device. iQuad Features: Wireless Control On the Fly Power Changes Up to 40+ monitored parameters (# of parameters is based on specific year models) Turbo Timer Control De-fueling Control Transmission De-fueling Control High Idle Control (98-02 Dodge Only) Regeneration Monitoring New Features Enabled for V1.9.34! V2 tuning extended support. Tune with an equalizer like interface. Enable/Disable all warnings and set the sensor warning levels. Data Logging for export increased to 100,000 lines (roughly 3.5 hours of continuous logs). This is not another OBD2 app, we not only display the OBD2 parameters but, also a host of manufacturer specific parameters such as transmission slip %, rail pressure, converter lockup status, regeneration status, EGT, FP, and many more. iQuad works on all devices running iOS 5.1.1 and up. iPad specific app will be released as well. Cellular connectivity is not required, iQuad will work anywhere you go! ** This product requires the use of the iQuad Wifi Module** Installation is simple, just plug the wifi module into the port where your previous controller was installed. Then connect via wireless and get started! This app is FREE! Download it and play with it. The dashboard and settings menus are fully functional. See how easy it is to change up the dashboard to your preferences. See how easy it is to change vehicles and we know you will agree that this is the greatest advancement in vehicle performance in a long time!

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

Screenshots

iQuad by Quadzilla1 screens
Auto Agent4 screens

Verdict

The call

The clearest difference is rating: Auto Agent at 4.9 against iQuad by Quadzilla's 4.0. Auto Agent also leads on review sentiment (75% vs 49%) and ratings volume (42K vs 40). iQuad by Quadzilla's advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 15.0). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Auto Agent sells 6 one-off in-app purchases. iQuad by Quadzilla asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Auto Agent holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Auto Agent has 42K ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 49% of iQuad by Quadzilla's written reviews are positive against 75% of Auto Agent's.

UpkeepUpdate frequency

iQuad by Quadzilla ships an update every 4 months, Auto Agent every 3 months. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

Scorecard6 real differences · 4 level
iQuad by Quadzilla versus Auto Agent: the parameters behind the verdict, then further details
ParameteriQuad by QuadzillaAuto Agent
PriceFreeFree
Rating4.0 (40 ratings)4.9 (42K ratings) — better
Positive reviews48.8% of reviews74.6% of reviews — better
Number of ratings4042K — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size69 MB53 MB
Age rating4+4+
DeveloperQuadzilla Power, LLCEZ LYNK

Customer experience

iQuad by Quadzilla

All ratings40 ratings
Positive70.0%
Neutral12.5%
Negative17.5%
Written reviews41 reviews
Positive48.8%
Neutral19.5%
Negative31.7%

Auto Agent

All ratings42,064 ratings
Positive96.9%
Neutral1.3%
Negative1.8%
Written reviews213 reviews
Positive74.6%
Neutral5.6%
Negative19.7%

Bugs and requests

iQuad by Quadzilla

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

iQuad by Quadzilla

No 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

Questions

Is iQuad by Quadzilla free?
iQuad by Quadzilla is free to download, with no in-app purchases.
Is Auto Agent free?
Auto Agent is free to download, with in-app purchases available.
Which has better reviews, iQuad by Quadzilla or Auto Agent?
Auto Agent is rated higher. iQuad by Quadzilla averages 4.0 out of 5 from 40 ratings, while Auto Agent averages 4.9 from 42K ratings.
Do iQuad by Quadzilla or Auto Agent have ads?
Neither iQuad by Quadzilla nor Auto Agent shows ads.
Which is updated more often, iQuad by Quadzilla or Auto Agent?
iQuad by Quadzilla ships an update every 4 months, and Auto Agent every 3 months. Most recently, iQuad by Quadzilla was updated on October 16, 2026 and Auto Agent on October 18, 2026.

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