# 键盘移调器

> 电子键盘乐器移调助手

Canonical page: [https://chrome-stats.com/d/id6786140909](https://chrome-stats.com/d/id6786140909)

## Overview

- **ID:** `id6786140909`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 宇 曹
- **Category:** Music
- **Version:** 1.0.21
- **Last updated:** 2026-09-05
- **First published:** 2026-07-20
- **Size:** 3.32 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/%E9%94%AE%E7%9B%98%E7%A7%BB%E8%B0%83%E5%99%A8/id6786140909)
- **Privacy policy:** [https://briancaoyu.github.io/Transposer/privacy.html](https://briancaoyu.github.io/Transposer/privacy.html)

## Description

Transpose your keyboard in real time from iPhone/iPad. Connect, pick a key—the app handles it. Works with Yamaha, Korg, Roland, Nord & more. Multi-device sync supported.

SUBSCRIPTION REQUIRED: Transposer is a free download, but an auto-renewable Transposer Pro subscription (In-App Purchase) is required to access the app’s features. A free trial may be available. Subscription length and price are shown in the app and on the App Store purchase sheet before you confirm. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple ID > Subscriptions.

Transposer is a MIDI transpose utility for electronic keyboards. Connect a compatible keyboard via USB, choose your instrument profile, and reach your target key in one tap.

Features unlocked with Transposer Pro (In-App Purchase):
• One-tap transpose control for live performance
• Support for many popular keyboard models
• Multiple device connection
• Custom presets for songs and keys
• Background MIDI while the screen is locked

Privacy Policy:
https://briancaoyu.github.io/Transposer/privacy.html

Terms of Use (EULA):
https://briancaoyu.github.io/Transposer/terms.html

## Rankings

- #2,035,128 — Overall

## Similar extensions and apps

- [Music Transpose: Key Changer](https://chrome-stats.com/d/id1618175513) — 5.00 / 5
- [KeyMorph - Music Transposition](https://chrome-stats.com/d/id6749544555)
- [Chord Shifter by Transpo](https://chrome-stats.com/d/id1587772667) — 4.80 / 5
- [Transpose Piano](https://chrome-stats.com/d/id6779110773)
- [Chord Transpose](https://chrome-stats.com/d/id1471762452) — 3.20 / 5
- [Music Transpose - Key Changer](https://chrome-stats.com/d/id1620125472) — 4.60 / 5
- [moduLab Pro](https://chrome-stats.com/d/id6752724025)
- [Capo Key Transposer](https://chrome-stats.com/d/id6771942514) — 1.00 / 5
- [InsTranspose](https://chrome-stats.com/d/id1425224501) — 4.70 / 5
- [Keyboard Instrument Simulator](https://chrome-stats.com/d/id1448130930) — 3.50 / 5
- [Simple Transposer](https://chrome-stats.com/d/id958849348) — 2.70 / 5
- [Song Compose and Transpose](https://chrome-stats.com/d/id1041703038) — 4.20 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6786140909)