# Tune Delivery Network (TDN) vs Mac Tools EM823

The clearest difference is iOS requirement: Mac Tools EM823 at 11.0 against Tune Delivery Network (TDN)'s 13.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Tune Delivery Network (TDN) | Mac Tools EM823 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (36 ratings)](https://appshunter.io/ios/app/tune-delivery-network-tdn/id1590560864/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 14.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 61 MB | 5 MB |
| Requires iOS | 13.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [HP Tuners LLC](https://appshunter.io/developer/1767627066) | [Stanley Black & Decker, Inc.](https://appshunter.io/developer/414050137) |

## 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


### Mac Tools EM823

[App page](https://appshunter.io/ios/app/mac-tools-em823/id6503308043)

**Features:** macOS Compatibility, Vision Pro support

**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 Mac Tools EM823 free?

Mac Tools EM823 is free to download, with no in-app purchases.

### Do Tune Delivery Network (TDN) or Mac Tools EM823 have ads?

Neither Tune Delivery Network (TDN) nor Mac Tools EM823 shows ads.

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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.*