# Comp 2.0 vs iDataLink Maestro Central

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.

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.

## The numbers

| Metric | Comp 2.0 | iDataLink Maestro Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/comp-20/id6450721506/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/idatalink-maestro-central/id6468587230/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 139 MB | 22 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Holley Performance Products](https://appshunter.io/developer/1175069390) | [Automotive Data Solutions Inc](https://appshunter.io/developer/560261291) |

## What reviewers say

### Comp 2.0

[App page](https://appshunter.io/ios/app/comp-20/id6450721506)

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:** Vision Pro support

**In-app purchases:** none


### iDataLink Maestro Central

[App page](https://appshunter.io/ios/app/idatalink-maestro-central/id6468587230)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*