NoteHound vs PianoTrace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NoteHound
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NoteHound is the music practice app for musicians who learn by ear. Slow any song to 0.1× without dropping the key. Loop the trickiest bar with sample-accurate A-B markers and a count-in click. Transcribe what you hear onto a piano roll, a 4-to-8-string guitar tab, or a live fretboard. Export to MIDI, PDF, MusicXML, plain-text tab, or a ZIP bundle for your teacher. No subscription. No account. Your audio and your transcriptions stay on your device. FEATURES SLOW DOWN MUSIC • 0.1× to 3.0× variable speed • Pitch-preserving time-stretch — the key never changes, even at the extremes • Speed ramp: automatically walk a loop from slow to performance tempo over n repetitions • Tap tempo and BPM detection • Tempo-map aware — handles songs that change tempo A-B LOOPING & PRACTICE TOOLS • Sample-accurate loop boundaries on the waveform • Count-in beats and pre-roll bar so you join the loop on the downbeat • Per-loop speed settings • Named sections (verse / chorus / solo / bridge) painted onto the waveform • Audio notes — pin a voice memo anywhere on the waveform (a fingering cue, a practice reminder, a note from a teacher) and the recording auto-plays when the playhead reaches that point • Practice tracking with mastery stages: learning → practising → up-to-speed → mastered • Per-loop attempt history with max-speed-reached PIANO ROLL EDITOR • Tap notes onto a quantised grid; drag, multi-select, group, draw • Audio sync — your transcription follows the recording bar by bar • Independent display transpose so you can read in any key • Plays through nine built-in synth voices LIVE FRETBOARD VIEW • Tap a note, see exactly where it lives on the neck • Multi-string highlighting for chord shapes • Adapts automatically to the project's tuning (standard, drop D, drop C, DADGAD, baritone, 7- and 8-string) • Full-fingerboard or focused-range display • Pairs with the tab editor — every note tapped on the tab lights up on the fretboard, and vice versa GUITAR TAB EDITOR • 4 to 8 strings, any tuning • 25+ articulations: bends, slides, hammer-ons, pull-offs, harmonics, palm mutes, ghost notes, dead notes, vibrato, trills, grace notes, tied notes, let-ring • Automatic fret-position suggestions based on the previous and next notes • Audio sync with the recording so the tab cursor tracks playback • Works for guitar, bass, baritone guitar, 7- and 8-string electric, ukulele 9-INSTRUMENT MULTI-TOUCH KEYBOARD • Acoustic piano, electric piano, Rhodes, organ, synth pad, strings, bass, guitar, vibraphone • Velocity-sensitive on supported devices • Doubles as a real-time MIDI-input target MIDI • Class-compliant USB and Bluetooth MIDI controllers — plug in, no drivers, no setup • Learn-mode mapping for any control to any parameter (foot pedal → play/pause, knob → speed, pad → loop toggle) • Real-time note input straight to the piano roll • MIDI file import preserves notes, tempo map, and section markers EXPORT • MIDI, PDF, MusicXML, plain-text tab, .tab, or a ZIP bundle of all of them • Hand a transcription to any DAW or notation app: Logic Pro, Ableton Live, Sibelius, Dorico, MuseScore, Finale, Guitar Pro FREE vs PRO Free includes two starter projects, basic A-B looping, the on-screen keyboard, and the 0.25× to 1.5× speed range. NoteHound Pro is a one-time $4.99 unlock — no subscription, restore on every device with the same Apple ID. Pro adds: • Unlimited projects • Full 0.1× to 3.0× speed range • Piano roll editor • Guitar tab editor + live fretboard view • MIDI input and MIDI file import • Every export format • Speed ramp, named sections, audio notes per section DESIGNED FOR Self-taught guitarists, pianists, and bassists. Music students. Music teachers preparing materials. Producers reverse-engineering a sample. Drummers learning fills. Anyone who learns songs by ear. Requires iPhone or iPad on iOS 17 or later. No account needed.
PianoTrace
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PianoTrace combines structured piano learning and intelligent practice, from first notes to refined performances. New in 2.0: the Preparatory course—12 units and 38 lessons. Discover the keyboard, keep a steady beat, read music and coordinate your hands, with no experience needed. Build skills for new music: reading, rhythm, listening, coordination and practice habits. Apply each lesson through diagrams, demonstrations, interactive exercises and unfamiliar passages. Already playing? Use the library, score imports, difficulty analysis and guided practice to tackle new pieces. Connect a digital piano or MIDI keyboard for feedback and annotations to refine rhythm, legato, dynamics and pedaling. From foundations to fine details, practice with direction. 【FEATURES】 ◆ Preparatory course · Start from zero - 12 units and 38 lessons to build your foundations step by step. - Learn relaxed playing, black and white keys, middle C, beats, note values, rests and staff notation. - Connect keys, notes and fingering through diagrams, demonstrations and hands-on practice. - Progress through alternating hands, coordination, simple harmony, position changes and accidentals. Apply your skills in short phrases and pieces. ◆ Skills that carry over to new music - Reading: recognize landmark notes and intervals in unfamiliar phrases. - Rhythm: keep a steady pulse through long notes, rests and varied rhythms. - Listening and expression: follow melodies, dynamics, phrasing and the balance between voices. - Coordination: pass melodies between hands; hold notes in one while the other continues. - Practice habits: study the score, isolate difficulties, slow down and connect phrases. Build independence as you learn. ◆ Score library and imports · Explore more music - 2,800+ classical piano scores by 140+ composers, including Chopin, Bach, Beethoven and Mozart. - Search by composer, work number and difficulty. - Import MusicXML (.musicxml / .xml) and MXL scores. - Explore seven difficulty dimensions: rhythm, reading, speed and continuity, shifts and leaps, chords and spans, coordination across staves, and expression and articulation. ◆ Intelligent practice · Work toward the whole piece - Follow a progressive path based on phrases and voices: hands separately, hands together, phrase connections and full performance. - Focus on one task at a time and resume with saved progress. ◆ Feedback and annotations · Refine the details - Compare your MIDI performance with the score: pitch, rhythm, legato, staccato, dynamics, pedal and continuity. - Review feedback by measure and note, with practice suggestions. ◆ Free practice and metronome - Start without a score. Set tempo, accents and subdivisions, with support for multiple time signatures and polyrhythms. - Adjust piano and metronome volumes separately, with audio routing and output settings for your setup. 【WHO IT'S FOR】 Beginners, players strengthening their foundations, and experienced learners tackling new pieces, technical challenges and musical expression. Build independence with clear steps and focused feedback. 【USAGE NOTES】 - View lessons and demonstrations in the app. Some exercises support an on-screen keyboard; compatible digital pianos and MIDI keyboards let you practice on physical keys. - Browsing scores, library previews, structure and difficulty analysis work without connected hardware. Performance detection and technical feedback in intelligent practice require a compatible digital piano or MIDI keyboard. PianoTrace analyzes MIDI, not acoustic piano audio through a microphone. - Difficulty reflects score demands, not official exam grades or predicted learning time. - Full in-depth difficulty analysis, intelligent practice workflows and detailed annotations require PianoTrace Pro. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tempopro.lishiyu.net/en/privacy/
Screenshots
Verdict
NoteHound and PianoTrace are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. NoteHound sells 1 one-off in-app purchase and PianoTrace sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.
| Parameter | NoteHound | PianoTrace |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 109 MB | 208 MB |
| Age rating | 4+ | 4+ |
| Developer | Francesco Farruggia | 世宇 李 |
In-app purchases
NoteHound
- NoteHound Pro$9.99
PianoTrace
- TempoPro Pro$9.991 Month
- TempoPro Pro7 Days trial$99.991 Year
- PianoTrace Pro Lifetime Access$199.99









