POLYMACHINE vs Auris
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
POLYMACHINE
This app offers analog-modeled filters, a vocal chain, and vocal tuning for music production. It aims to be a game-changer for creating music.
- Analog-modeled filters
- Vocal chain processing
- Vocal tuning
- Music production tools
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Music Production Game Changer, Analog Models of Filters, Vocal Chain and Vocal Tune
Auris
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Auris trains your ear and teaches you theory in five-minute daily drills — and it stays with you as a tuner and metronome. One purchase. No subscription. Works offline. SEVEN PATHS, 84 LEVELS Foundations · Intervals · Chords · Scales & Modes · Rhythm · Sight Reading · Melodic Dictation. Every level is Learn, Drill, Test: a one-screen explanation with a playable example, an adaptive drill, and a short test that unlocks the next level. HEAR IT. NAME IT. PLAY IT. Answer with chips, on a two-octave piano, on a real staff, or by tapping rhythms in time. Melodic dictation from two notes to eight. Sight reading in treble and bass clef with key signatures. REAL NOTATION, REAL FEEDBACK Staves, clefs, accidentals and rests are drawn with a professional music font. Every wrong answer comes with a specific explanation and a reference song you can edit. REMEMBER WHAT YOU MISS Missed items come back through spaced repetition in Quick Practice. Heatmaps show exactly which intervals and chords need work. A daily goal, a streak and twelve quiet badges keep the rhythm. TOOLS YOU'LL USE EVERY DAY • Tuner with a cents needle, adjustable A4, transposition for Bb/Eb/F instruments and quick-tune rows for guitar, bass, violin and ukulele. • Metronome with subdivisions, accent patterns, tap tempo, a tempo trainer and background playback. • Piano, Circle of Fifths and reference charts for intervals, chords, scales and rhythm values. MADE FOR PRACTICE ROOMS Light and dark themes. iPhone and iPad with keyboard shortcuts. iCloud sync of your progress. Note names in letters, solfège or German notation. NO ADS. NO SUBSCRIPTION. NO ACCOUNT. NO DATA COLLECTED. Languages: English, Türkçe, Español, Deutsch, Français, Português, Italiano, 日本語, 한국어.
Screenshots
Verdict
The clearest difference is price: POLYMACHINE at Free against Auris's $4.99. POLYMACHINE also leads on iOS requirement (15.0 vs 17.0). Auris's advantage is in-app purchases (none vs 5) and ads (none vs shown). On update cadence 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
POLYMACHINE is free to download; Auris costs $4.99 up front. POLYMACHINE sells 5 one-off in-app purchases. Auris asks for nothing beyond the download.
POLYMACHINE ships an update every 5 days, Auris weekly. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.
| Parameter | POLYMACHINE | Auris |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.6 (18 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 5 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 116 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Gao | Furkan Alp Gunay |
In-app purchases
POLYMACHINE
- Sound Expansion$1.99
- Eurorack Sequencer$9.99
- MIGAMO BRUTUS GERMANIUM$9.99
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- MIGAMO Filters$12.99
- Pro Features$34.99
Auris
No in-app purchases







