# EZ vs Tune Delivery Network (TDN)

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.

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.

## The numbers

| Metric | EZ | Tune Delivery Network (TDN) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/ez-tcu-trans-controller/id1434677792/reviews)** | [2.4 (39 ratings)](https://appshunter.io/ios/app/tune-delivery-network-tdn/id1590560864/reviews) |
| Number of ratings | 7 | **39** |
| Positive reviews | 0.0% of reviews | **14.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 11 MB | 61 MB |
| Requires iOS | **11.0** | 13.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Performance Electronics](https://appshunter.io/developer/1161515426) | [HP Tuners LLC](https://appshunter.io/developer/1767627066) |

## What reviewers say

### EZ

[App page](https://appshunter.io/ios/app/ez-tcu-trans-controller/id1434677792)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Tune Delivery Network (TDN)

[App page](https://appshunter.io/ios/app/tune-delivery-network-tdn/id1590560864)

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.

**Highlights:** Receive custom vehicle tunes, Works with TDN devices, Direct tune delivery, Requires compatible hardware

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Flashing tunes fast and easy
- 🚀 Convenient for tuning without a Windows PC
- 👍 Great for remote tuning and diagnostics
- 👍 Works well when tuner sends file

**What reviewers complain about**

- 🐛 Constant connectivity issues
- 🐛 Crashes and freezes frequently
- 🐛 Glitchy and inconsistent performance
- 🐛 Bluetooth disconnection problems
- 🐛 Sync and file transfer issues

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is EZ free?

EZ is free to download, with no in-app purchases.

### Is Tune Delivery Network (TDN) free?

Tune Delivery Network (TDN) is free to download, with no in-app purchases.

### Which has better reviews, EZ or Tune Delivery Network (TDN)?

EZ is rated higher. EZ averages 3.9 out of 5 from 7 ratings, while Tune Delivery Network (TDN) averages 2.4 from 39 ratings.

### Do EZ or Tune Delivery Network (TDN) have ads?

Neither EZ nor Tune Delivery Network (TDN) shows ads.

### Which is updated more often, EZ or Tune Delivery Network (TDN)?

EZ ships an update monthly, and Tune Delivery Network (TDN) fortnightly. Most recently, EZ was updated on November 2, 2026 and Tune Delivery Network (TDN) on November 11, 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.*