# Auto Agent vs Tune Delivery Network (TDN)

The clearest difference is review sentiment: Auto Agent at 75% against Tune Delivery Network (TDN)'s 14%. Auto Agent also leads on rating (4.9 vs 2.5) and ratings volume (34K vs 26). Tune Delivery Network (TDN)'s advantage is in-app purchases (none vs 6) and update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Auto Agent sells 6 one-off in-app purchases. Tune Delivery Network (TDN) asks for nothing beyond the download.

Auto Agent holds the better App Store score, 4.9 against 2.5. That said, the two scores are not equally well evidenced: Auto Agent has 34K ratings behind it against 26, so its average is the more settled of the two. Written reviews point the same way: 75% of Auto Agent's written reviews are positive against 14% of Tune Delivery Network (TDN)'s.

Auto Agent ships an update every 3 months, Tune Delivery Network (TDN) fortnightly. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Auto Agent | Tune Delivery Network (TDN) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (34K ratings)](https://appshunter.io/ios/app/auto-agent/id1110395367/reviews)** | [2.5 (26 ratings)](https://appshunter.io/ios/app/tune-delivery-network-tdn/id1590560864/reviews) |
| Number of ratings | **34K** | 26 |
| Positive reviews | **74.6% of reviews** | 14.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 52 MB | 61 MB |
| Requires iOS | 15.0 | **13.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EZ LYNK](https://appshunter.io/developer/1110395366) | [HP Tuners LLC](https://appshunter.io/developer/1767627066) |

## What reviewers say

### Auto Agent

[App page](https://appshunter.io/ios/app/auto-agent/id1110395367)

Monitor, diagnose, and update your vehicle's software remotely. This powerful tool allows you to view live data, read and clear diagnostic codes, and record data for your technician. Connect directly with your mechanic for remote assistance and software updates, saving you trips to the repair shop.

**Highlights:** Display live vehicle data, Read and clear diagnostic trouble codes, Create and playback data recordings, Send data recordings to technician, Remote technician assistance, Install vehicle software updates

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 credit | $1.99 | one-time |
| 5 credits | $9.99 | one-time |
| 10 credits | $19.99 | one-time |
| 20 credits | $39.99 | one-time |
| 50 credits | $99.99 | one-time |
| 100 credits | $199.99 | one-time |

**What reviewers like**

- 🚀 Great monitoring tool
- 🔧 Useful for tuning and diagnostics
- 👍 Easy to use and navigate
- 💯 Excellent customer service
- 🔋 Improved fuel economy

**What reviewers complain about**

- 🐛 Connection issues
- 🤔 Lacking some customization options
- 🔌 Compatibility problems with updates
- 📵 No native CarPlay support
- 🤷‍♂️ Unreliable tune updates

**Reported bugs**

- App crashes and freezes
- Disconnection issues with the device
- Tune files disappearing or becoming inaccessible
- Compatibility problems with iOS 14 updates
- Unreliable Wi-Fi connectivity

**Requested features**

- Native support for Apple CarPlay
- More customization options for gauges and titles
- Ability to monitor more parameters
- Improved GPS speed accuracy
- Sound alerts for warning indicators


### 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 Auto Agent free?

Auto Agent is free to download, with in-app purchases available.

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

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

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

Auto Agent is rated higher. Auto Agent averages 4.9 out of 5 from 34K ratings, while Tune Delivery Network (TDN) averages 2.5 from 26 ratings.

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

Neither Auto Agent nor Tune Delivery Network (TDN) shows ads.

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

Auto Agent ships an update every 3 months, and Tune Delivery Network (TDN) fortnightly. Most recently, Auto Agent was updated on September 26, 2026 and Tune Delivery Network (TDN) on September 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.*