# Tune Delivery Network (TDN) vs ProEFI Logger

The clearest difference is rating: Tune Delivery Network (TDN) at 2.4 against ProEFI Logger's 2.0. Tune Delivery Network (TDN) also leads on ratings volume (38 vs 1) and review sentiment (14% vs 0%). 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.

Tune Delivery Network (TDN) holds the better App Store score, 2.4 against 2.0. That said, the two scores are not equally well evidenced: Tune Delivery Network (TDN) has 38 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 14% of Tune Delivery Network (TDN)'s written reviews are positive against 0% of ProEFI Logger's.

Tune Delivery Network (TDN) ships an update fortnightly, ProEFI Logger monthly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Tune Delivery Network (TDN) | ProEFI Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (38 ratings)](https://appshunter.io/ios/app/tune-delivery-network-tdn/id1590560864/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/proefi-logger/id1643540729/reviews) |
| Number of ratings | **38** | 1 |
| Positive reviews | **14.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | Free |
| Size | 61 MB | 62 MB |
| Requires iOS | 13.1 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HP Tuners LLC](https://appshunter.io/developer/1767627066) | [Teslogic, Inc.](https://appshunter.io/developer/1605403177) |

## 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


### ProEFI Logger

[App page](https://appshunter.io/ios/app/proefi-logger/id1643540729)

This application serves as a CAN logger specifically designed for ProEFI ECUs. It allows users to record and analyze data from their ProEFI engine control units.

**Highlights:** CAN logging, ProEFI ECU compatibility, Data recording, Data analysis

**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 ProEFI Logger free?

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

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

Tune Delivery Network (TDN) is rated higher. Tune Delivery Network (TDN) averages 2.4 out of 5 from 38 ratings, while ProEFI Logger averages 2.0 from 1 ratings.

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

Neither Tune Delivery Network (TDN) nor ProEFI Logger shows ads.

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

Tune Delivery Network (TDN) ships an update fortnightly, and ProEFI Logger monthly. Most recently, Tune Delivery Network (TDN) was updated on November 7, 2026 and ProEFI Logger on November 3, 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.*