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Cadenza

Apple review support page for the current version of Cadenza, an iPhone music practice app with metronome, chromatic tuner, setlists, practice session tracking, and an optional Cadenza Pro subscription.

App Overview

Cadenza is a music practice utility for iPhone. It helps musicians keep time, tune instruments, organize rehearsal material, and track practice sessions in one focused mobile workflow. The app is designed for practical music practice rather than gaming, gambling, social networking, or public user-generated content.

Category Music / Utilities
Platform iOS (iPhone)
Users Musicians, students, teachers, rehearsal groups, and performers
Version 1.0.0

Main Features

  • Full-Featured Metronome: tempo ramp, tap tempo, and practice-focused tempo controls.
  • Precision Chromatic Tuner: microphone-based pitch detection and drone playback for accurate tuning.
  • Unlimited Setlists: rehearsal-ready organization for songs and practice material.
  • Practice Session Tracking: automatic logging and history for reviewing practice consistency.
  • Cadenza Pro: optional subscription that unlocks the complete feature set.
  • Restore Purchase: subscription restoration is handled through Apple's in-app purchase system.

Core User Flow

Step 1: Choose a practice tool Users open the metronome, tuner, setlist, or practice history area based on the session.
Step 2: Practice and adjust Users set tempo, tap tempo, tune with microphone input, use drone tones, or access saved setlists.
Step 3: Track progress Users review practice history and can unlock all Pro features through Apple's in-app purchase flow.

Subscription and In-App Purchase

Cadenza Pro is sold through Apple in-app purchase only.

The app's subscription screen presents Cadenza Pro with a yearly plan of US$29.99 per year, a monthly plan of US$4.99 per month, and a 3-day free trial offer on the yearly plan as shown in the app UI. Actual localized pricing, trial eligibility, renewal, cancellation, and taxes are controlled by Apple.

  • Yearly: US$29.99 per year, shown as the best value option with a 3-day free trial.
  • Monthly: US$4.99 per month for flexible access.
  • Purchase handling: all payment, subscription status, restore purchase, cancellation, and renewal handling uses Apple's App Store infrastructure.
  • No external payment: this support site does not sell subscriptions or link users to an external payment method.

Privacy and Data Handling

Practice data is intended for the user's device and app workflow.

Cadenza may store setlists, tempo settings, tuner preferences, practice sessions, and app configuration locally. The tuner uses microphone input for on-device pitch detection while tuner features are active. The app does not use public profiles, social feeds, or user-generated community content.

For full policy language, see the Privacy Policy page.

Review Notes

Relevant App Review information

Cadenza is a straightforward music practice utility. It does not center on real-money gaming, gambling, social discovery, public posting, or user-generated community content. Cadenza Pro is an optional subscription for digital app functionality and is purchased only through Apple's in-app purchase system.

Technical notes

  • Native iPhone interface for metronome, tuner, setlists, and practice history.
  • Microphone access is used for tuner pitch detection when the tuner is active.
  • Practice records, setlists, tempo settings, and preferences may be stored locally on the device.
  • Subscription restore and purchase state are handled through Apple's StoreKit / App Store infrastructure.

Support Contact

If the App Review team needs additional information, reproduction steps, or clarification, please contact the developer directly.

  • Developer: JiaBao Dai
  • Email: 298030287@qq.com
  • Response time: Usually within 24 business hours