Scale Navi vs simple loop machine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scale Navi
Visualize piano scale fingerings directly on the keyboard. Master Hanon Exercise 39 with visual aids, synchronized metronome, and progress tracking. Practice all 24 keys efficiently with guided navigation and adjustable tempo.
- Visual fingering display on keyboard
- Support for all 24 keys
- Three minor scale types
- Synchronized metronome with playback
- Progress tracking per key
- Background playback
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See the correct fingering for every piano scale — right on the keyboard. Perfect for mastering Hanon Exercise 39: "Scales in All Keys." Who is this for? • Struggling to memorize scale fingerings • Self-learners who want to verify correct technique • Practicing with a metronome to gradually increase tempo • Working through all 24 keys of Hanon 39 Key Features • Fingering for all 24 keys displayed on both hands (Right: Blue, Left: Red) • All three minor scale types (Harmonic, Melodic, Natural) • Scale playback — adjust tempo freely and follow along with animated keys • Integrated metronome — perfectly synced with scale playback, with off-beat mode • Finger crossing and thumb-under positions highlighted • One-tap navigation to the next key in Hanon 39 order • Track your progress per key and filter to focus on the ones you need • Sheet Music Viewer — import PDF sheet music with vertical scroll mode and split-page display • Navigation Path — set anchors on sheet music and navigate through practice sections with a tap • Recording — auto-trim silence, add titles and comments, export recordings • Practice History Charts — visualize your practice time and frequency • iCloud Sync — automatically sync data across multiple devices • Background playback — keeps playing even when your screen is locked • Silent mode support (configurable in settings) • Japanese and English Problems We Solve Can't Remember Fingering Numbers Visual fingering display makes it intuitive with colors and shapes. Starting and turnaround positions are instantly recognizable, eliminating the need to constantly refer back to sheet music. Difficulty Playing with Metronome Pre-count function ensures you're ready to start. Scale playback and metronome are synchronized, helping you develop accurate rhythm sense. Don't Know How to Practice All 24 Keys Efficiently Navigate through keys in Hanon 39 order. Practice efficiently following the textbook sequence. Filter by mastery level to focus on the keys you struggle with. Free Version Practice 12 keys: • 6 Major scales (C, G, D, F, Bb, A) • 6 Minor scales (A, E, B, D, G, F#) • All three minor types • Background playback limited to 3 minutes Upgrade • Access all 24 keys • Unlimited recordings • Unlimited sheet music • Unlimited background playback Practice Tips • Start with a slow tempo • Play accurately while checking fingering numbers • Once comfortable with 1 octave, gradually increase octave count • Practice consistently, even if briefly, every day • Use metronome feature to practice with stable rhythm • Use in conjunction with Hanon Exercise 39 for best results About Hanon Exercise 39 Hanon Exercise 39 "Scales in All Keys" is a classic piano practice textbook staple. Scale Navi is designed to maximize support for practicing this exercise.
simple loop machine
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simple loop machine is a straightforward loop-style music app: record up to eight samples from the microphone, assign them to pads, then play, loop, reverse, trim, and scratch. No DAW-style complexity—great for ideas, practice, and live sketches. Features • 8-pad recording - Free mode: hold an empty pad to record; release to stop - Fixed mode: set BPM and bars, tap an empty pad to record a fixed length • Play/stop, loop, reverse playback • Waveform view with trim handles • Zoom (full waveform / selection range) • Volume and pitch per pad • Scratch strip (drag left and right) • Mix recording: capture pad playback into one mix; play, export, or delete • Settings: default record mode, default BPM/bars for fixed mode, delete all pads • In-app languages: Japanese, English, Simplified Chinese, Traditional Chinese, Korean Privacy & data • Samples and mixes are stored only on your device • No account required • Microphone is used only for recording to pads • Export uses the system share sheet (Files, AirDrop, etc.) Notes • Use caution with headphones or speakers—levels can be loud • Microphone permission is required on first launch • A real device is recommended for recording (simulator has no mic) Support: contact us via the Support URL on the store listing.
Screenshots
Verdict
The clearest difference is in-app purchases: simple loop machine at none against Scale Navi's 1. simple loop machine also leads on update cadence (every 4 days vs every 3 weeks). Scale Navi's advantage is ads (none vs shown). On price, device support and iOS requirement 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. Scale Navi sells 1 one-off in-app purchase. simple loop machine asks for nothing beyond the download.
Scale Navi ships an update every 3 weeks, simple loop machine every 4 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Scale Navi | simple loop machine |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | ITO SOFT DESIGN Inc. | GoateeAllstars |
In-app purchases
Scale Navi
- Premium Version$3.99
simple loop machine
No in-app purchases
Questions
Is Scale Navi free?
Is simple loop machine free?
Do Scale Navi or simple loop machine have ads?
Which is updated more often, Scale Navi or simple loop machine?
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