# TTS Tuning vs ECU Map Switcher by D

The clearest difference is iOS requirement: TTS Tuning at 13.0 against ECU Map Switcher by D's 17.0. 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 | TTS Tuning | ECU Map Switcher by D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tts-tuning/id6480268967/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Huan Ma](https://appshunter.io/developer/1068139519) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### 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


### ECU Map Switcher by D

[App page](https://appshunter.io/ios/app/ecu-map-switcher-by-d-sync/id6761521552)

**In-app purchases:** none


## Frequently asked questions

### Is TTS Tuning free?

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

### Is ECU Map Switcher by D free?

ECU Map Switcher by D is free to download, with no in-app purchases.

### Do TTS Tuning or ECU Map Switcher by D have ads?

Neither TTS Tuning nor ECU Map Switcher by D 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.*