# EZ vs TTS Tuning

The clearest difference is rating: TTS Tuning at 5.0 against EZ's 3.9. EZ's advantage is update cadence (monthly vs every 2 months) and ratings volume (7 vs 1). 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.

TTS Tuning holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: EZ has 7 ratings behind it against 1, so its average is the more settled of the two.

EZ ships an update monthly, TTS Tuning every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | EZ | TTS Tuning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/ez-tcu-trans-controller/id1434677792/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tts-tuning/id6480268967/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 11 MB | 3 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Performance Electronics](https://appshunter.io/developer/1161515426) | [Huan Ma](https://appshunter.io/developer/1068139519) |

## 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


### TTS Tuning

[App page](https://appshunter.io/ios/app/tts-tuning/id6480268967)

This advanced tool enables automotive professionals and enthusiasts to upgrade vehicle hardware and firmware. It connects to a vehicle's interface via an enet adapter cable, simplifying performance enhancements and ensuring compatibility with the latest technology. Robust security features protect data and vehicle stability during upgrades.

**Highlights:** Connects via enet adapter cable, Firmware upgrades, User-friendly interface, Detailed upgrade guidance, Troubleshooting support, Robust security features

**In-app purchases:** none


## Frequently asked questions

### Is EZ free?

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

### Is TTS Tuning free?

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

### Which has better reviews, EZ or TTS Tuning?

TTS Tuning is rated higher. EZ averages 3.9 out of 5 from 7 ratings, while TTS Tuning averages 5.0 from 1 ratings.

### Do EZ or TTS Tuning have ads?

Neither EZ nor TTS Tuning shows ads.

### Which is updated more often, EZ or TTS Tuning?

EZ ships an update monthly, and TTS Tuning every 2 months. Most recently, EZ was updated on October 24, 2026 and TTS Tuning on October 24, 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.*