Disklavier Controller vs Leak Defense System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Disklavier Controller
Control key functions of your Disklavier piano remotely via WiFi. Adjust volume, manage playback, select songs, and perform simple recordings from your device. Compatible with specific Disklavier models.
- Main volume control
- Start/stop song playback
- Source, album, song selection
- Simple recording functions
- DisklavierRadio playback
- Balance, Transpose, Tempo control
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• This exciting application allows you to control many of the basic functions of your Disklavier. More: • This exciting application allows you to control many of the basic functions of your Disklavier. - Main volume - Start and stop song playback - Selection of sources, albums, and songs - Simple recording functions - DisklavierRadio playback (some functions not available) - Balance, Transpose, Tempo and Part Cancel control • You can title a song after recording it. • Communication with the piano is via WiFi, so you can control your Disklavier from anywhere that your WiFi signal is available in your home. Notes: • This application will only work with compatible Disklavier models (Disklavier Mark IV Series Version 4.00 or later, E3 Series Version 3.00 or later, and DKC-850 Version 3.10 or later). • The iPhone/iPod touch/iPad must be connected to a WiFi access point that is on the same network as your Disklavier for this application to function.
Leak Defense System
This system detects plumbing leaks and provides remote water shut-off capabilities for homes, high-rises, or entire buildings. It acts as an emergency shut-off solution, offering advanced control over your water supply.
- Remote water shut-off
- Plumbing leak detection
- Emergency water shut-off
- Smart-home integration
- Control for homes, high-rises, and buildings
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The Leak Defense System is the industry leader in water leak shut off systems and smart-home water shut off valves. It's so advanced that you can turn off water to your home, a zone of a high-rise or the entire building with a touch of a button. Detects plumbing leaks and serves as an emergency water shut off too!
Screenshots
Verdict
The clearest difference is update cadence: Leak Defense System at every 3 weeks against Disklavier Controller's every 10 months. Leak Defense System also leads on rating (3.0 vs 2.7). Disklavier Controller's advantage is review sentiment (35% vs 13%) and iOS requirement (12.0 vs 15.6). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Leak Defense System holds the better App Store score, 3.0 against 2.7. Both are backed by a comparable volume of ratings — 26 and 21 respectively. Written reviews complicate that: 35% of Disklavier Controller's written reviews are positive against 13% of Leak Defense System's, so the app with the better star average is not the one people write more warmly about.
Disklavier Controller ships an update every 10 months, Leak Defense System every 3 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Disklavier Controller | Leak Defense System |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (26 ratings) | 3.0 (21 ratings) — better |
| Positive reviews | 34.6% of reviews — better | 12.5% of reviews |
| Number of ratings | 26 — better | 21 |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 4 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Yamaha Corporation of America | Calance |
Customer experience
Disklavier Controller
Leak Defense System
In-app purchases
Disklavier Controller
No in-app purchases
Leak Defense System
No in-app purchases
Questions
Is Disklavier Controller free?
Is Leak Defense System free?
Which has better reviews, Disklavier Controller or Leak Defense System?
Do Disklavier Controller or Leak Defense System have ads?
Which is updated more often, Disklavier Controller or Leak Defense System?
Other comparisons
