Comparison

Comp 2.0 vs iDataLink Maestro Central

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

Head to head
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
Read full description

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.

About

iDataLink Maestro Central

This application allows users to program, maintain, and customize compatible iDatalink Maestro products for their vehicles. It connects wirelessly via Bluetooth, enabling remote interaction with supported devices for firmware updates and configuration.

Highlights
  • Vehicle programming
  • Product maintenance
  • Customization options
  • Wireless Bluetooth connectivity
  • Firmware updates
  • Configuration management
Features
Read full description

Maestro Central is an application dedicated to programming, maintaining, customizing, and adding new features to your vehicle, thanks to its seamless connection to compatible iDatalink Maestro products. And because freedom matters, your mobile device's Bluetooth connectivity allows you to interact wirelessly with your iDatalink Maestro products. The Maestro Central app is compatible with the following products: -Maestro SR (Retaining vehicle Settings) -Maestro Ar2 (Firmware Updates and Configuration) -Maestro A2B (Firmware Updates and Configuration) A Weblink account is required to use the Maestro Central app and a compatible iDatalink Maestro product. Note: SR and RR2 firmware updates coming soon !

Screenshots

Comp 2.04 screens
iDataLink Maestro Central3 screens

Verdict

The call

The clearest difference is rating: Comp 2.0 at 3.8 against iDataLink Maestro Central's 1.0. Comp 2.0 also leads on device support (3 vs 1). iDataLink Maestro Central's advantage is update cadence (every 2 months vs every 11 months). On price, ratings volume, ads and in-app purchases 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

Comp 2.0 holds the better App Store score, 3.8 against 1.0. Both are backed by a comparable volume of ratings — 6 and 3 respectively.

UpkeepUpdate frequency

Comp 2.0 ships an update every 11 months, iDataLink Maestro Central every 2 months. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Comp 2.0 versus iDataLink Maestro Central: the parameters behind the verdict, then further details
ParameterComp 2.0iDataLink Maestro Central
PriceFreeFree
Rating3.8 (6 ratings) — better1.0 (3 ratings)
Positive reviews—0.0% of reviews
Number of ratings6 — better3
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size139 MB22 MB
Age rating4+4+
DeveloperHolley Performance ProductsAutomotive Data Solutions Inc

Customer experience

Comp 2.0

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

iDataLink Maestro Central

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Comp 2.0

No in-app purchases

None

iDataLink Maestro Central

No in-app purchases

Questions

Is Comp 2.0 free?
Comp 2.0 is free to download, with no in-app purchases.
Is iDataLink Maestro Central free?
iDataLink Maestro Central is free to download, with no in-app purchases.
Which has better reviews, Comp 2.0 or iDataLink Maestro Central?
Comp 2.0 is rated higher. Comp 2.0 averages 3.8 out of 5 from 6 ratings, while iDataLink Maestro Central averages 1.0 from 3 ratings.
Do Comp 2.0 or iDataLink Maestro Central have ads?
Neither Comp 2.0 nor iDataLink Maestro Central shows ads.
Which is updated more often, Comp 2.0 or iDataLink Maestro Central?
Comp 2.0 ships an update every 11 months, and iDataLink Maestro Central every 2 months. Most recently, Comp 2.0 was updated on October 24, 2026 and iDataLink Maestro Central on October 24, 2026.

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