Chord NOTE vs Vocal Analyzer Z
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chord NOTE
This app helps songwriters find chords that match melodies and provides tools for creating chord progressions. It also includes a scale library and can display vocal pitch to aid in composition.
- Chord finding for melodies
- Chord Progression function
- Scale library
- Vocal pitch display
- Key finding
- iPad Split View/Slide Over support
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Chord NOTE is a Songwriter’s assistant tool. It assists in finding the right chords to match a melody or musical phrase. And it has great Chord Progression function and Scale library. Chord NOTE supports Slide Over and Split View on iPad, and provides the appropriate display and operation for iPhone and iPad. You wrote new melody came into your mind, but you could not apply some chords for your melody… At a time like this, you can get guides to find some chords that match your melody by Chord NOTE. If you have composed some songs already, you know almost melody and chord have some same notes. Because the main part of melody is made up of constituent notes of chord in most cases. In the same way, you’ll be able to find Key to match your melody by Chord NOTE. So Chord NOTE is very useful for finding the chord and key. If you record your singing melody, you can display the pitch of your voice. And you can sketch your songs by Chord Progression function. Chord Progression function will provide numerous features for you. Chord NOTE supports widening the imagination of your wings for real composer. Advanced Option : Chord NOTE works fine without this option. However, when you’ll buy this low price add-on, you can use more Chords and Scales. It will provide a complete set usually. You can read full function description at support page. http://therootage.com/iphone/chord-note-en/
Vocal Analyzer Z
Analyze the pitch of voices and musical instruments in real-time. Visualize pitch with graphs, record audio, and export to MIDI. Ideal for practice, tuning, and music enthusiasts.
- Real-time pitch analysis
- Pitch graph visualization
- Audio recording and playback
- MIDI file export
- Pitch pipe feature
- Zoomable keyboard display
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◎ Newly added conversion output to MIDI file (SMF) and file sharing function. ● A powerful tool for pitch analysis and visualization, suitable for a variety of uses such as karaoke, musical instrument practice, and tuning. ● The real-time pitch analysis feature to analyze the pitch of voices and musical instruments from the sound input from the microphone. ● The multifaceted screen display with a pitch graph that automatically rolls the pitch of the analyzed sound. ● Zoom and scroll the keyboard display using intuitive easy gesture operation to navigate and interact with the application. ● The ability to record audio and play back the file later with the same level of analysis and visualization. ● Import videos and sounds via file sharing and perform pitch analysis on them. ● Loop and jump the recorded or shared files to focus on specific sections of the sound. ● The pitch pipe feature is a convenient way to check the pitch of the sound before singing or playing it. ● Tap the keyboard to hear the pitch, and the pitch name and MIDI note number are displayed on the keyboard where the pitch of the detected sound shines. ● The pitch roll graph feature to zoom the time axis in conjunction with the keyboard display, providing a comprehensive view of the pitch over time. ● A Comprehensive tool for pitch analysis and visualization, suitable for musicians and music enthusiasts alike. ■ Features of the app ・Various and rich screen display ・Screen mode linked to device orientation ・Real-time analysis of microphone input sound ・Recording of microphone input sound ・Playback of recorded files ・Playback loop, playback jump ・Analysis of recorded files ・Play shared files ・Analysis of shared files ・Pitch pipe ・Zoom & scroll keyboard ・Automatic pitch roll graph ・(NEW) Conversion output to MIDI file (SMF) and file sharing ● Display items (real time) ・Pitch roll graph ・Scale meter (pitch name/cent difference) ・Frequency (Hz) ・MIDI note number ・Power spectrum (FFT analysis) ・Oscilloscope ・Microphone input level ・Audio level meter ・Playback progress bar ・Keyboard flash (detected pitch) ● Sound playback ・Audio files (recorded files, shared files) ・Loop playback ・Replay jump ・Pitch pipe (6 types of tones, keyboard tap) ● Precautions ・Please use it for solo singing and instrumental sounds that are not chords. ・It is not suitable for analysis of voices mixed with multiple instruments and voices. ・To prevent howling, the microphone input signal is automatically disabled during pitch pipe or audio file playback.
Screenshots
Verdict
The clearest difference is review sentiment: Vocal Analyzer Z at 100% against Chord NOTE's 62%. Vocal Analyzer Z also leads on in-app purchases (none vs 1) and update cadence (every 9 days vs every 2 months). On ads 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
Chord NOTE costs $2.99 and Vocal Analyzer Z $1.99 up front. Chord NOTE sells 1 one-off in-app purchase. Vocal Analyzer Z asks for nothing beyond the download.
Chord NOTE ships an update every 2 months, Vocal Analyzer Z every 9 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Chord NOTE | Vocal Analyzer Z |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 61.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Hidenori Matsuoka | Masanori Katsuta |
Customer experience
Chord NOTE
Vocal Analyzer Z
In-app purchases
Chord NOTE
- Advanced Option$1.99
Vocal Analyzer Z
No in-app purchases
Questions
Is Chord NOTE free?
Is Vocal Analyzer Z free?
Do Chord NOTE or Vocal Analyzer Z have ads?
Which is updated more often, Chord NOTE or Vocal Analyzer Z?
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