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.
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.
- 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
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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.
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.
- Vehicle programming
- Product maintenance
- Customization options
- Wireless Bluetooth connectivity
- Firmware updates
- Configuration management
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Comp 2.0 ships an update every 11 months, iDataLink Maestro Central every 2 months. Both last shipped on October 24, 2026.
| Parameter | Comp 2.0 | iDataLink Maestro Central |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) — better | 1.0 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 6 — better | 3 |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 139 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Holley Performance Products | Automotive Data Solutions Inc |
Customer experience
Comp 2.0
iDataLink Maestro Central
In-app purchases
Comp 2.0
No in-app purchases
iDataLink Maestro Central
No in-app purchases
Questions
Is Comp 2.0 free?
Is iDataLink Maestro Central free?
Which has better reviews, Comp 2.0 or iDataLink Maestro Central?
Do Comp 2.0 or iDataLink Maestro Central have ads?
Which is updated more often, Comp 2.0 or iDataLink Maestro Central?
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