
键盘移调器
电子键盘乐器移调助手
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Free
In-App Purchases
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About
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
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What's New in 键盘移调器
2.0.3
October 30, 2026
Added a Live Set tab for Montage, Montage M, MODX, MODX+, and MODX M: change Live Set bank, page, and slots in the app and recall them on the keyboard; hold a memory button to save the current tone, tap to recall. Added a lifetime unlock on the paywall: pay once to unlock Pro forever, with no subscription renewal.
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Subscriptions & In-App Purchases
Transposer Pro Monthly
Full access to Transposer Pro features
$0.991 Month










