PianoDisc Calibrate vs KTool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PianoDisc Calibrate
This utility app allows professional installers to calibrate automatic player pianos equipped with specific systems. It provides access to detailed settings for keys, pedals, and volume controls, streamlining the setup process for trained technicians.
- Key calibration
- Pedal settings
- Volume control adjustment
- Firmware updates
- MIDI interface compatibility
- SilentDrive HD settings
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PianoDisc Calibrate is a companion app for automatic player pianos equipped with Prodigy player systems. The app allows professional PianoDisc installers to calibrate key features and settings faster and easier than ever before. PLEASE NOTE: This app is designed to be used by professional installers who have completed the PianoDisc installation training program. Improper adjustment is not covered under warranty, and may adversely affect playback. [Requirements] A hardware MIDI interface is required (such as the Prodigy CPU, Roland UM-ONE Mk II, or Quicco Sound mi.1). MIDI IN and OUT must both be connected to the SilentDrive HD CPU. NOTE: The MIDI interface must be connected before you launch the app! Settings are only adjusted when the MIDI indicator is green. If the indicator remains red, try pressing the reset button on the SilentDrive CPU. [SilentDrive Settings] * Key Hold Force * Power Offset * Individual Key Calibration (Learn) * Pedal Strike Force * Pedal Hold Force * Pedal Drop Time * Minimum Note Duration * Springless Solenoids * Note Release Control (NRC) * Pedal Release Control (PRC) * Firmware Update (for CPUs manufactured in 2015 or later; the mi.1 cannot be used for firmware updates) [iQ Settings] * Music Player Volume Range * Piano Volume Range * Accompaniment Volume Range * Sync Range * Manual/Automatic Volume * Much more
KTool
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Auto Bluetooth Device Scanning Quickly discover nearby supported devices and connect effortlessly. Stable Bluetooth Communication Built with a robust connection protocol to ensure fast and reliable data exchange. Parameter Configuration Adjust a variety of settings such as delay time, operation modes, thresholds, and more through an intuitive interface. Real-time Parameter Read & Sync Instantly read the current device settings and sync them with your mobile app for backup and verification. Smart Device Recognition Automatically detects your controller model and loads the corresponding configuration interface. Multi-language Support Available in English and Traditional Chinese, with more languages to come.
Screenshots
Verdict
The clearest difference is rating: PianoDisc Calibrate at 4.5 against KTool's 4.0. PianoDisc Calibrate also leads on iOS requirement (13.0 vs 15.6). KTool's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 6 weeks). On price, review sentiment, ratings volume and ads 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. PianoDisc Calibrate sells 1 one-off in-app purchase. KTool asks for nothing beyond the download.
PianoDisc Calibrate holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
PianoDisc Calibrate ships an update every 6 weeks, KTool fortnightly. Both last shipped on October 24, 2026.
| Parameter | PianoDisc Calibrate | KTool |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 62 MB | 47 MB |
| Age rating | 4+ | 17+ |
| Developer | Burgett Inc. | Kutai |
Customer experience
PianoDisc Calibrate
KTool
In-app purchases
PianoDisc Calibrate
- Activation Region Key$999.99
KTool
No in-app purchases
Questions
Is PianoDisc Calibrate free?
Is KTool free?
Which has better reviews, PianoDisc Calibrate or KTool?
Do PianoDisc Calibrate or KTool have ads?
Which is updated more often, PianoDisc Calibrate or KTool?
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