Core Guitar vs Knob16
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Core Guitar
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Break your guitar plateau with Core Guitar. You have played for years but still feel stuck: same licks, same position, random practice. Core Guitar gives selfβtaught intermediate guitarists a clear practice plan. GUIDED PRACTICE TRACKS Structured 7β14 day guitar workouts that actually build skills: Lead Boost β connect pentatonic positions into flowing solos Rhythm Tightness β lock in timing with real song grooves Fretboard Mastery β navigate the entire neck with confidence Earn badges, track streaks, and see exactly how your guitar playing is improving over time. FREE TOOLS Precision Guitar Tuner with real time pitch detection Pro Metronome with adjustable tempo and time signatures Fret Lab β interactive scales, chords, and octave maps across the fretboard Built by a selfβtaught guitarist who broke the intermediate rut. No gimmicks, just focused guitar practice and exercises that work. Download free and start your first practice track today.
Knob16
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Knob16 is a MIDI controller for producers and performers who want hands-on control from their iPhone or iPad. 64 Knobs Across 4 Banks 16 knobs per bank, instantly switchable. Configure each knob's CC number, channel, output range, label, and fine-tune multiplier. Bidirectional MIDI Send MIDI CC values and receive feedback. When your DAW or MIDI device sends CC values back, matching knob positions update on screen. MIDI Learn Enable MIDI Learn. Double-tap any knob. Send a CC from your MIDI controller. Done. Play Mode Turn Knob16 into a playable MIDI surface with 16 pads per bank, 29 scales, and semitone transpose. Snapshots and Presets Save and recall knob values with snapshots. Use presets to switch between complete setups. Connect Your Way Connect to compatible MIDI destinations over USB or Network MIDI via Wi-Fi. KNOB16 PRO Unlock advanced control, performance, and connectivity features: β’ Ableton Live Mode β control the mixer, devices, macros, and transport, with automatic Blue Hand device mapping β’ Bluetooth MIDI β connect wirelessly to compatible MIDI devices β’ Grouping Mode β link knobs with adjustable output curves β’ MPE β per-note pitch bend, slide, and pressure β’ 14-bit CC β 16,384 steps for high-resolution control β’ NRPN β access deeper parameters on compatible MIDI gear β’ 4 snapshots per bank β’ Unlimited custom presets, import, and duplication β’ iCloud preset sync across your devices β’ Custom skins β personalize the knobs and app appearance β’ All future features designated as Pro Bluetooth MIDI, Grouping Mode, and Live Mode each include three free 24-hour trials. Knob16 Pro is a one-time purchase. No subscription. FREE FOREVER The core of Knob16 stays free: β’ 64 knobs across 4 banks β’ Standard 7-bit MIDI CC β’ Per-knob setup for standard CC β’ Bidirectional MIDI feedback β’ MIDI Learn β’ Play Mode β’ USB MIDI β’ Network MIDI over Wi-Fi β’ 1 snapshot per bank β’ Two editable built-in presets A compatible DAW, MIDI app, or MIDI device is needed to receive MIDI output. Ableton Live Mode requires the Knob16 Remote Script.
Screenshots
Verdict
The clearest difference is update cadence: Knob16 at every 6 days against Core Guitar's every 2 weeks. Knob16 also leads on iOS requirement (18.6 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Core Guitar ships an update every 2 weeks, Knob16 every 6 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.
| Parameter | Core Guitar | Knob16 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 6 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.2 | 18.6 β better |
| Further details β not scored | ||
| Size | 37 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Craig | JURIJS KOSKINS |
In-app purchases
Core Guitar
No in-app purchases
Knob16
No in-app purchases









