Chord Memo vs ReferencePitchAnalyzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chord Memo
Compose and arrange music by writing and playing back chords. Practice singing or instruments like guitar and piano with this tool. It offers features for fine-tuning timing, exporting to MIDI, and changing instruments.
- Enter chords with dedicated keyboard
- Control tempo, beat, and modulation
- Playback entered chords
- Display chords as degree names
- Save notes with name and description
- Export MIDI file
- Change instrument
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It's an app that lets you write chords and play them right back! Use it for composing and arranging music, as well as for practicing singing, guitar, piano, etc. Functions: - Enter chords with the dedicated keyboard (including slash and tension chords) - Control tempo, beat, and modulation - Playback the entered chords - Display chords as degree name (I, VI, ...) - Save notes with name and description - Playback with swing - Export MIDI file - Change instrument - Playback with metronome - Place chords fine timings - Copy/paste chords - Zoom score
ReferencePitchAnalyzer
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「この曲って、本当に432Hzなの？」——そんな疑問を持ったことのある方へ。ReferencePitchAnalyzer は、音源の基準ピッチを自動解析して表示し、好みのピッチへ変換できる音楽解析アプリです。 音源を読み込むだけで基準ピッチを自動検出。432Hzをはじめとするプリセット（415/432/435/440/442/444 Hz）からワンタップで選択するか、0.5Hz単位で微調整できます。リアルタイムプレビューで確認しながら、WAVファイルとして書き出し・共有まで完結。 リバーブ・ピッチシフト・コーラス等のエフェクトやビブラートは検出精度に影響する場合があります。 ※ 本アプリは広告（AdMob）を含みます。 --- English --- Ever wondered if a song is really tuned to 432 Hz? ReferencePitchAnalyzer detects the reference pitch (A = ? Hz) of your music files and lets you convert it to 432 Hz, or any pitch you like, with a single tap. Choose from presets (415/432/435/440/442/444 Hz) or fine-tune in 0.5 Hz steps, preview in real time, and export to WAV. Note: reverb, pitch-shift, chorus and other effects, or natural vibrato, may affect detection accuracy. --- 中文 --- 这首歌真的是432Hz吗？ReferencePitchAnalyzer 能检测音乐文件的基准音高（A=?Hz），并一键转换为432Hz或任意你喜欢的音高。可从预设（415/432/435/440/442/444Hz）选择，或以0.5Hz微调，实时试听并导出为WAV。 --- 한국어 --- 이 곡이 정말 432Hz일까요? ReferencePitchAnalyzer는 음악 파일의 기준음(A=?Hz)을 감지해 한 번의 탭으로 432Hz나 원하는 음높이로 변환합니다. 프리셋(415/432/435/440/442/444Hz) 선택 또는 0.5Hz 미세 조정, 실시간 미리듣기, WAV 내보내기를 지원합니다。 --- Español --- ¿Esta canción está realmente en 432 Hz? ReferencePitchAnalyzer detecta el tono de referencia (La = ? Hz) de tus archivos de música y lo convierte a 432 Hz o al que prefieras con un toque. Elige entre ajustes (415/432/435/440/442/444 Hz) o ajusta en pasos de 0,5 Hz, escucha en tiempo real y exporta a WAV. --- Français --- Ce morceau est-il vraiment en 432 Hz ? ReferencePitchAnalyzer détecte la hauteur de référence (La = ? Hz) de vos fichiers musicaux et la convertit en 432 Hz ou à la hauteur de votre choix d'un simple toucher. Choisissez parmi des préréglages (415/432/435/440/442/444 Hz) ou ajustez par pas de 0,5 Hz, écoutez en temps réel et exportez en WAV. --- Deutsch --- Ist dieser Song wirklich auf 432 Hz gestimmt? ReferencePitchAnalyzer erkennt den Referenzton (A = ? Hz) deiner Musikdateien und wandelt ihn mit einem Tippen in 432 Hz oder jede gewünschte Tonhöhe um. Wähle aus Voreinstellungen (415/432/435/440/442/444 Hz) oder justiere in 0,5-Hz-Schritten, höre in Echtzeit und exportiere als WAV. --- Português --- Será que esta música está mesmo em 432 Hz? O ReferencePitchAnalyzer detecta o tom de referência (Lá = ? Hz) dos seus arquivos de música e o converte para 432 Hz ou o tom que preferir com um toque. Escolha entre predefinições (415/432/435/440/442/444 Hz) ou ajuste em passos de 0,5 Hz, ouça em tempo real e exporte para WAV. --- Italiano --- Questo brano è davvero a 432 Hz? ReferencePitchAnalyzer rileva il tono di riferimento (La = ? Hz) dei tuoi file musicali e lo converte in 432 Hz o nel tono che preferisci con un tocco. Scegli tra preset (415/432/435/440/442/444 Hz) o regola a passi di 0,5 Hz, ascolta in tempo reale ed esporta in WAV. --- Русский --- Действительно ли эта песня в 432 Гц? ReferencePitchAnalyzer определяет эталонный тон (Ля = ? Гц) ваших музыкальных файлов и одним касанием преобразует его в 432 Гц или любую нужную высоту. Выбирайте пресеты (415/432/435/440/442/444 Гц) или настраивайте с шагом 0,5 Гц, слушайте в реальном времени и экспортируйте в WAV. --- العربية --- هل هذه الأغنية فعلاً على 432 هرتز؟ يكتشف ReferencePitchAnalyzer النغمة المرجعية (لا = ؟ هرتز) لملفاتك الموسيقية ويحوّلها إلى 432 هرتز أو أي طبقة تريدها بلمسة واحدة. اختر من الإعدادات المسبقة (415/432/435/440/442/444 هرتز) أو اضبط بخطوات 0.5 هرتز، واستمع آنيًا وصدّر إلى WAV. --- हिन्दी --- क्या यह गाना सच में 432 Hz पर है? ReferencePitchAnalyzer आपके म्यूज़िक फ़ाइलों की रेफरेंस पिच (A = ? Hz) को डिटेक्ट करता है और एक टैप में उसे 432 Hz या आपकी पसंद की किसी भी पिच पर बदल देता है। प्रीसेट (415/432/435/440/442/444 Hz) में से चुनें या 0.5 Hz के स्टेप में फ़ाइन-ट्यून करें, रियल टाइम में सुनें और WAV में एक्सपोर्ट करें।
Screenshots
Verdict
The clearest difference is update cadence: ReferencePitchAnalyzer at weekly against Chord Memo's every 7 months. Chord Memo's advantage is iOS requirement (16.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Chord Memo ships an update every 7 months, ReferencePitchAnalyzer weekly. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.
| Parameter | Chord Memo | ReferencePitchAnalyzer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Positive reviews | 77.8% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 7 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 27 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Kiichi Ito | HIROSHI SHINKAWA |
In-app purchases
Chord Memo
No in-app purchases
ReferencePitchAnalyzer
No in-app purchases
Questions
Is Chord Memo free?
Is ReferencePitchAnalyzer free?
Do Chord Memo or ReferencePitchAnalyzer have ads?
Which is updated more often, Chord Memo or ReferencePitchAnalyzer?
Other comparisons
