Tune Delivery Network (TDN) vs D
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.
D
Configure your performance vehicle's sequential shift light wirelessly. This app allows for device setup, firmware updates, and seamless pairing. A compatible shift light device is necessary for operation.
- Wireless pairing
- Device configuration
- Firmware updates
- Official app for D-Shift
- Performance vehicle integration
Read full descriptionHide full description
Official configuration app for D-Shift, The Ultimate Sequential Shift Light for your performance vehicle. This app will help you with wireless pairing, device configuration, and firmware updates. A D-Shift shift light from Dauntless Devices LLC is required to use this app. Other devices are not supported.
Screenshots
Verdict
The clearest difference is review sentiment: D at 100% against Tune Delivery Network (TDN)'s 14%. D also leads on rating (5.0 vs 2.5). Tune Delivery Network (TDN)'s advantage is update cadence (fortnightly vs monthly) and ratings volume (26 vs 5). 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.
D holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Tune Delivery Network (TDN) has 26 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 14% of Tune Delivery Network (TDN)'s written reviews are positive against 100% of D's.
Tune Delivery Network (TDN) ships an update fortnightly, D monthly. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.
| Parameter | Tune Delivery Network (TDN) | D |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (26 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 14.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 26 — better | 5 |
| Update frequency | Fortnightly — better | Monthly |
| 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 | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | HP Tuners LLC | Dauntless Devices LLC |
Customer experience
Tune Delivery Network (TDN)
D
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
D
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tune Delivery Network (TDN)
No in-app purchases
D
No in-app purchases
