# Tune Delivery Network (TDN) vs EV3 Attribute Programmer

The clearest difference is rating: EV3 Attribute Programmer at 5.0 against Tune Delivery Network (TDN)'s 2.5. Tune Delivery Network (TDN)'s advantage is update cadence (fortnightly vs every 2 months) and ratings volume (36 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EV3 Attribute Programmer 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 36 ratings behind it against 2, so its average is the more settled of the two.

Tune Delivery Network (TDN) ships an update fortnightly, EV3 Attribute Programmer every 2 months. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Tune Delivery Network (TDN) | EV3 Attribute Programmer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (36 ratings)](https://appshunter.io/ios/app/tune-delivery-network-tdn/id1590560864/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ev3-attribute-programmer/id1593075625/reviews)** |
| Number of ratings | **36** | 2 |
| Positive reviews | 14.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 61 MB | 87 MB |
| Requires iOS | **13.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HP Tuners LLC](https://appshunter.io/developer/1767627066) | [ISSPRO, Inc.](https://appshunter.io/developer/1593075627) |

## What reviewers say

### 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


### EV3 Attribute Programmer

[App page](https://appshunter.io/ios/app/ev3-attribute-programmer/id1593075625)

This application allows users to modify various attributes of EV3 gauges directly from their mobile device. Features include customizing LED colors, adjusting dimmer settings, and configuring output driver behaviors. It also enables fine-tuning of sensor parameters and warning light functionalities.

**Highlights:** Backlight LED color editor, Dimmer input voltage adjustment, Gauge BLE broadcast name configuration, Output driver activation thresholds, Pointer color and sweep weight, Sensor curve coefficients, Warning light activation thresholds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

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

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

### Is EV3 Attribute Programmer free?

EV3 Attribute Programmer is free to download, with no in-app purchases.

### Which has better reviews, Tune Delivery Network (TDN) or EV3 Attribute Programmer?

EV3 Attribute Programmer is rated higher. Tune Delivery Network (TDN) averages 2.5 out of 5 from 36 ratings, while EV3 Attribute Programmer averages 5.0 from 2 ratings.

### Do Tune Delivery Network (TDN) or EV3 Attribute Programmer have ads?

Neither Tune Delivery Network (TDN) nor EV3 Attribute Programmer shows ads.

### Which is updated more often, Tune Delivery Network (TDN) or EV3 Attribute Programmer?

Tune Delivery Network (TDN) ships an update fortnightly, and EV3 Attribute Programmer every 2 months. Most recently, Tune Delivery Network (TDN) was updated on October 22, 2026 and EV3 Attribute Programmer on October 23, 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.*