ScaleJammer vs Pluckbow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScaleJammer
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Turn your iPhone or iPad into a responsive virtual guitar fretboard with ScaleJammer. Play notes with expressive synthesized tone, slide naturally across the neck, and explore scales and modes in a fluid, intuitive way. With Snap mode, your movement locks to the correct notes of the selected scale, so you can move freely across the fretboard and stay in key every time. ScaleJammer also includes a multi-layer looper, making it easy to build riffs, layer melodies, and jam over your own ideas. Whether you're warming up, practicing scales, studying theory, or sketching out a melody on the go, ScaleJammer puts the guitar neck at your fingertips. PLAY YOUR WAY - Play notes across a virtual guitar fretboard tuned to your chosen scale - Snap mode keeps your finger locked to scale tones, so every slide stays in key - Slide mode delivers smooth, continuous pitch movement - Pluck mode adds a more realistic pick-style attack and decay EXPLORE MUSIC THEORY - 13 scale types, including Major, Minor, Blues, Harmonic Minor, Dorian, Mixolydian, and more - Mode Explorer reveals all 7 diatonic modes that share the same notes - Color-coded intervals help you understand theory visually as you play - Instantly switch between all 12 root notes LOOP & JAM - Record ideas with the built-in looper - Overdub multiple layers to build riffs, textures, and melodic ideas - Solo over your own loops in real time - Export recordings as WAV files and share them easily MAKE IT YOURS - 6 tunings: Standard, Drop D, Open G, Open D, DADGAD, and Half Step Down - 4 tone presets: Warm Lead, Bright Lead, Bell, and Soft Pad - Adjust reverb, volume, and drone to shape your sound - Choose between 12 and 24 frets with zoom and scroll controls - Left-handed mode - Haptic feedback
Pluckbow
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A single string can become an entire sound world. Pluckbow is an expressive touch instrument built around one responsive string. Pluck, press, push, slide, mute, tremolo and find harmonics while the string animation follows the sound you actually hear. CHOOSE A SOUND Play carefully prepared recordings of harp, piano, kalimba, marimba, vibraphone, đàn tranh and more. Authentic cat meows, dog barks, frog calls and cricket chirps—plus playful percussion—can become instruments too. Preview every sound directly on its card, see its source note, and tune the open string without losing the recording’s natural reference pitch. LEARN AND PERFORM Explore complete built-in songs and focused exercises in one library. Adjust tempo, loop a passage, and decide independently whether Pluckbow plays the anchor movement, the pluck, both or neither. Show or hide anchor points, pluck points, note paths and animation to create the practice style that feels right. RECORD YOUR OWN WORKS Capture a performance, rename it, replay it with another timbre, practise along with the same visual guidance, and share or import it as a file or QR code. MAKE THE STAGE YOURS Fine-tune notation, string orientation, reference ruler, visual effects, master volume, balance and equalizer. Stage controls use a lightweight glass finish by default; switch to high-contrast solid controls in Settings whenever you prefer. The optional one-time Creator Pack unlocks custom stage backgrounds and recording, importing, trimming and playing your own sounds. No account, ads or cross-app tracking. Your recordings, images and performance data are processed on your device unless you choose to share them.
Screenshots
Verdict
ScaleJammer and Pluckbow are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. ScaleJammer sells 1 one-off in-app purchase and Pluckbow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | ScaleJammer | Pluckbow |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 18.1 — better |
| Further details — not scored | ||
| Size | 8 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Orcun Keskin | 伟 孙 |
In-app purchases
ScaleJammer
- ScaleJammer Pro$4.99
Pluckbow
- Creator Pack$1.99





