EZ vs Tune Delivery Network (TDN)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EZ
Control your vehicle's transmission settings wirelessly from your iOS device. Adjust shift points, firmness, and aggressiveness with intuitive data logging and self-diagnostics. Includes an anti-theft feature for remote vehicle disabling.
- Wireless transmission control via Bluetooth
- Adjust shift points, firmness, and aggressiveness
- Data logging and self-diagnostics
- Remote anti-theft vehicle disabling
- No laptop or software required
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TCI® EZ-TCU™ Transmission Controller users can now tune their transmission via iOS devices. A wireless module enables Bluetooth communication between the EZ-TCU™ and an iOS app, enabling the user to control shift points, firmness and aggressiveness. Data logging and self-diagnostics make it possible to optimize tuning intuitively – without the need for software, a hand-held unit or cabling. There is also an anti-theft feature that allows for remote disabling of the vehicle. Features & Benefits: · Easy transmission control from your phone or tablet; no laptop or software needed · Maximum electronic control over the shift points, shift firmness and shift aggressiveness · Data logging and self-diagnostics for optimal tuning · Anti-theft feature for disabling vehicle through app · Compatible with 4L60E, 4L65E, 4L70E, 4L80E, 4L85E and TCI® 4x & 6x transmissions
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
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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.
Screenshots
Verdict
The clearest difference is rating: EZ at 3.9 against Tune Delivery Network (TDN)'s 2.4. EZ also leads on iOS requirement (11.0 vs 13.1). Tune Delivery Network (TDN)'s advantage is review sentiment (14% vs 0%) and ratings volume (39 vs 7). On price, update cadence, 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.
EZ holds the better App Store score, 3.9 against 2.4. That said, the two scores are not equally well evidenced: Tune Delivery Network (TDN) has 39 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 0% of EZ's written reviews are positive against 14% of Tune Delivery Network (TDN)'s, so the app with the better star average is not the one people write more warmly about.
EZ ships an update monthly, Tune Delivery Network (TDN) fortnightly. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.
| Parameter | EZ | Tune Delivery Network (TDN) |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | 2.4 (39 ratings) |
| Positive reviews | 0.0% of reviews | 14.5% of reviews — better |
| Number of ratings | 7 | 39 — better |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.1 |
| Further details — not scored | ||
| Size | 11 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Performance Electronics | HP Tuners LLC |
Customer experience
EZ
Tune Delivery Network (TDN)
Bugs and requests
EZ
Not enough reviews yet to summarise bugs or 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
In-app purchases
EZ
No in-app purchases
Tune Delivery Network (TDN)
No in-app purchases
