# Comp 2.0

> Diesel engine performance tuning app for 24V Cummins. (iPhone/iPad app by Holley Performance Products.)

- Source: https://appshunter.io/ios/app/comp-20/id6450721506 (this page in markdown: same URL + `.md`)
- Developer: [Holley Performance Products](https://appshunter.io/developer/1175069390)
- Category: Utilities
- Price: Free
- Rating: 3.80/5 from 6 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 139 MB
- Released: 2023-09-12
- Data updated: 2026-08-30
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/comp-20/id6450721506/reviews.md

## What is Comp 2.0?

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.

## Key features

- 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


## Frequently asked questions about Comp 2.0

### What is Comp 2.0?

Comp 2.0 is a mobile application designed to enhance the performance of 1998.5-2002 24V Cummins diesel engines. It allows users to wirelessly adjust engine parameters for significant power gains.

### What kind of performance gains can I expect with Comp 2.0?

Comp 2.0 offers gains ranging from 40-150 HP and 150-380 TQ. It also provides increased RPM and power for heavily modified applications.

### Does Comp 2.0 require a physical device?

Yes, Comp 2.0 utilizes a Bluetooth wireless switch for on-the-fly adjustability, allowing complete control over the driving experience.

### What specific adjustments can I make with Comp 2.0?

You can fine-tune low boost fueling, adjust fuel delivery based on accelerator pedal position, and optimize timing to dial in your power curve for aftermarket injectors and larger turbo combinations.

### What is the user rating for Comp 2.0?

Comp 2.0 has a user rating of 3.8 stars based on 4 ratings.

### Is Comp 2.0 available on Android?

Comp 2.0 is available on iPhone, iPad, and iPod. Platform availability for Android is not specified in the provided data.

### How often is Comp 2.0 updated?

The latest version of Comp 2.0 is 2.6, which was last updated on September 19, 2025. This indicates a recent update and ongoing support.

### What is the age rating for Comp 2.0?

Comp 2.0 has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 2.7 — 2026-08-27

Bug fixes

### 2.6 — 2025-09-19

Bug fixes

### 2.5 — 2024-12-03

Bug fixes

### 2.0 — 2023-09-21

Increased boot speed.

### 1.9 — 2023-09-12

No release notes.

## Apps similar to Comp 2.0

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [E-Tuner 4](https://appshunter.io/ios/app/e-tuner-4/id1579096205) | 4.0 (22) | Free | Utilities |
| [Auto Agent](https://appshunter.io/ios/app/auto-agent/id1110395367) | 4.9 (34,277) | Free | Utilities |
| [TC Tuner](https://appshunter.io/ios/app/tc-tuner/id1579604513) | — | Free | Utilities |
| [Cummins Guidanz](https://appshunter.io/ios/app/cummins-guidanz/id1184579875) | 3.1 (49) | Free | Utilities |
| [EV3 Attribute Programmer](https://appshunter.io/ios/app/ev3-attribute-programmer/id1593075625) | 5.0 (2) | Free | Utilities |
| [PROFLEX Connect](https://appshunter.io/ios/app/proflex-connect/id1262287275) | 2.8 (54) | Free | Utilities |

## More apps by Holley Performance Products

- [Racepak Dash App](https://appshunter.io/ios/app/racepak-dash-app/id1147871057)
- [Racepak D3 Racing](https://appshunter.io/ios/app/racepak-d3-racing/id1271524272)
- [Amp’d 2.0](https://appshunter.io/ios/app/ampd-20/id1509089120)
- [Classic SCFC+](https://appshunter.io/ios/app/classic-scfc-plus/id1552284876)
- [MSD Ultra 6AL](https://appshunter.io/ios/app/msd-ultra-6al/id1604967508)
- [APR THROTTLE BOOSTER](https://appshunter.io/ios/app/apr-throttle-booster/id1611772030)

All apps by Holley Performance Products: https://appshunter.io/developer/1175069390

## Related topics

[cummins guidanz](https://appshunter.io/ios/topics/cummins-guidanz)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*