# ECU Map Switcher by D-Sync

> ECU Map Switcher by D-Sync (iPhone/iPad app by LUN LIU.)

- Source: https://appshunter.io/ios/app/ecu-map-switcher-by-d-sync/id6761521552 (this page in markdown: same URL + `.md`)
- Developer: [LUN LIU](https://appshunter.io/developer/1890125123)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Released: 2026-04-03
- Data updated: 2026-05-15
- User reviews in markdown: https://appshunter.io/ios/app/ecu-map-switcher-by-d-sync/id6761521552/reviews.md

## What is ECU Map Switcher by D?

Map Switcher lets you read and switch AMG's MED17 ECU calibration maps through your OBD-II Bluetooth adapter. 
Designed for tuned vehicles with D-Sync multi-map ASW setups.                            

  Features:                                                                                  
  - One-tap map switching from iPhone or CarPlay          
  - BLE connection to OBD adapters (OBDLink CX, etc.)                                        
  - Multiple vehicle profiles with custom map addresses
  - Auto-reconnect to last used adapter                                                      
  - Home screen widget showing active map                                                    

  Built by D-Sync. For use with compatible ECUs and calibration files only.


## Version history (last 1 release)

### 1.0 — 2026-04-04

No release notes.

## More apps by LUN LIU

- [D-Sync ECU](https://appshunter.io/ios/app/d-sync-ecu/id6761677479)

All apps by LUN LIU: https://appshunter.io/developer/1890125123

## Related topics

[ecu car](https://appshunter.io/ios/topics/ecu-car)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-15.*