Comparison

iQuad by Quadzilla vs Comp 2.0

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
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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

Comp 2.0

Enhance your 1998.5-2002 24V Cummins diesel engine's performance with on-the-fly adjustments. Fine-tune fueling, accelerator pedal response, and timing for significant power gains.

Highlights
  • On-the-fly adjustability via Bluetooth
  • Fine-tune low boost fueling
  • Adjust fuel delivery based on pedal position
  • Optimize timing for power curves
  • Gains of 40-150 HP and 150-380 TQ
  • Supports aftermarket injectors and turbos
Features
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The COMP box has dominated the 1998.5-2002 24V Cummins market for two decades and put Edge Products on the map in the early diesel performance era. With so many VP44 trucks still on the road, we’ve revamped our COMP to offer dominating performance gains with the industry’s latest technology. Our all-new Bluetooth wireless switch offers on-the-fly adjustability giving complete control over the driving experience. The mobile App offers fine tuning adjustment for low boost fueling, fuel delivery based on Accelerator Pedal Position, and timing to dial in your power curve for aftermarket injectors and larger turbo combinations. Breathing new life into your 5.9L Cummins, COMP offers gains from 40-150 HP, 150-380 TQ, even more RPM, and power available for heavily modified applications.

Screenshots

iQuad by Quadzilla1 screens
Comp 2.04 screens

Verdict

The call

The clearest difference is update cadence: iQuad by Quadzilla at every 4 months against Comp 2.0's every 11 months. iQuad by Quadzilla also leads on rating (4.0 vs 3.8) and ratings volume (40 vs 6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iQuad by Quadzilla holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: iQuad by Quadzilla has 40 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

iQuad by Quadzilla ships an update every 4 months, Comp 2.0 every 11 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
iQuad by Quadzilla versus Comp 2.0: the parameters behind the verdict, then further details
ParameteriQuad by QuadzillaComp 2.0
PriceFreeFree
Rating4.0 (40 ratings) — better3.8 (6 ratings)
Positive reviews48.8% of reviews—
Number of ratings40 — better6
Update frequencyEvery 4 months — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size69 MB139 MB
Age rating4+4+
DeveloperQuadzilla Power, LLCHolley Performance Products

Customer experience

iQuad by Quadzilla

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

Comp 2.0

All ratings6 ratings
Positive50.0%
Neutral33.3%
Negative16.7%

In-app purchases

None

iQuad by Quadzilla

No in-app purchases

None

Comp 2.0

No in-app purchases

Questions

Is iQuad by Quadzilla free?
iQuad by Quadzilla is free to download, with no in-app purchases.
Is Comp 2.0 free?
Comp 2.0 is free to download, with no in-app purchases.
Which has better reviews, iQuad by Quadzilla or Comp 2.0?
iQuad by Quadzilla is rated higher. iQuad by Quadzilla averages 4.0 out of 5 from 40 ratings, while Comp 2.0 averages 3.8 from 6 ratings.
Do iQuad by Quadzilla or Comp 2.0 have ads?
Neither iQuad by Quadzilla nor Comp 2.0 shows ads.
Which is updated more often, iQuad by Quadzilla or Comp 2.0?
iQuad by Quadzilla ships an update every 4 months, and Comp 2.0 every 11 months. Most recently, iQuad by Quadzilla was updated on October 16, 2026 and Comp 2.0 on October 12, 2026.

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