Tune Delivery Network (TDN) vs Comp 2.0
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tune Delivery Network (TDN)
This application allows users to receive custom vehicle tunes from their tuner via a compatible TDN delivery device. It facilitates the transfer of performance tuning files directly to your vehicle's tuner. A specific TDN-compatible hardware device is necessary to use this service.
- Receive custom vehicle tunes
- Works with TDN devices
- Direct tune delivery
- Requires compatible hardware
Read full descriptionHide full description
The Tune Delivery Network app enables your TDN tuner to send you their tunes for your vehicle. An HP Tuners RTD+, MPVI3, MPVI2+, or other TDN-compatible delivery device is required. Please note that this app is designed for users who have a relationship with a tuner that is part of the TDN system, and is not intended as a solution for self-tuners or non-TDN tuners.
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
Read full descriptionHide 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.
Screenshots
Verdict
The clearest difference is rating: Comp 2.0 at 3.8 against Tune Delivery Network (TDN)'s 2.5. Tune Delivery Network (TDN)'s advantage is update cadence (fortnightly vs every 11 months) and ratings volume (37 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
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 2.5. That said, the two scores are not equally well evidenced: Tune Delivery Network (TDN) has 37 ratings behind it against 6, so its average is the more settled of the two.
Tune Delivery Network (TDN) ships an update fortnightly, Comp 2.0 every 11 months. Both last shipped on November 3, 2026.
| Parameter | Tune Delivery Network (TDN) | Comp 2.0 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (37 ratings) | 3.8 (6 ratings) — better |
| Positive reviews | 14.5% of reviews | — |
| Number of ratings | 37 — better | 6 |
| Update frequency | Fortnightly — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 61 MB | 139 MB |
| Age rating | 4+ | 4+ |
| Developer | HP Tuners LLC | Holley Performance Products |
Customer experience
Tune Delivery Network (TDN)
Comp 2.0
Bugs and requests
Tune Delivery Network (TDN)
Reported bugs
4 issues- App crashes when trying to read/clear codes or connect to device
- Fails to load tunes or read vehicle data
- Bluetooth connectivity issues prevent basic functions
- Sync and file transfer problems
Requested features
3 requests- Allow uploading tunes from tuner for personal use
- Add basic tuning functions like KAM reset and crank relearn
- Improve data log viewing and management capabilities
Comp 2.0
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tune Delivery Network (TDN)
No in-app purchases
Comp 2.0
No in-app purchases
Questions
Is Tune Delivery Network (TDN) free?
Is Comp 2.0 free?
Which has better reviews, Tune Delivery Network (TDN) or Comp 2.0?
Do Tune Delivery Network (TDN) or Comp 2.0 have ads?
Which is updated more often, Tune Delivery Network (TDN) or Comp 2.0?
Other comparisons
