# 钢琴和弦-PianoChord — 零基础乐理·Offline Theory · Lookup

> 零基础乐理·Offline Theory · Lookup (iPhone/iPad app by 紫红 李.)

- Source: https://appshunter.io/ios/app/pianochord/id6775221338 (this page in markdown: same URL + `.md`)
- Developer: [紫红 李](https://appshunter.io/developer/1892230887)
- Category: Music
- Price: $3.99
- Age rating: 4+
- Requires: iOS 13.0 · 29 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-06-03
- Data updated: 2026-08-15
- User reviews in markdown: https://appshunter.io/ios/app/pianochord/id6775221338/reviews.md

## What is 钢琴和弦?

New to music theory? PianoChord puts lookup, playback, and practice in your pocket—336 chords, 156 scales, and 29 theory articles, all offline.

LIBRARY
· Filter by root and category: triads, sevenths, extensions, sus, scales
· Detail pages: notes, degrees, theory tips, memorization curve
· Block & arpeggio playback; favorites and recent items

CHORD LOOKUP
· Tap keys to identify chord names and structures
· Jump to full detail in one tap

DIATONIC & PROGRESSIONS
· Diatonic chords in 12 keys (major/minor, triads & sevenths)
· Edit progressions; presets like I–V–vi–IV and ii–V–I
· Waterfall visualization with playback

VOICING
· Inversions, Drop2 / Drop3; compare sounds instantly

METRONOME & THEORY
· BPM, time signature, accents
· 29 articles in 5 categories for beginners

11 LANGUAGES
· UI in 11 languages; chord copy and theory articles localized (English fallback)

· Dark, clean UI · Local storage, no sign-up

Download PianoChord—look up, listen, and learn your first C major today.

Privacy Policy: https://cy.xyysh.top/privacy/pianochord
Terms: https://cy.xyysh.top/terms/pianochord


## Version history (last 2 releases)

### 1.0.2 — 2026-06-16

· 和弦与音阶详情、乐理文章支持多语言，切换语言后内容同步更新
· 优化多语言切换与详情页展示
· 修复部分界面与稳定性问题

### 1.0 — 2026-06-03

No release notes.

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- [BGM Extractor~](https://appshunter.io/ios/app/bgm-extractor/id6777434569)

All apps by 紫红 李: https://appshunter.io/developer/1892230887

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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 2026-08-15.*