# PianoDisc Calibrate vs ENSPIRE Controller

The clearest difference is review sentiment: PianoDisc Calibrate at 100% against ENSPIRE Controller's 18%. PianoDisc Calibrate also leads on rating (4.5 vs 2.0) and update cadence (every 6 weeks vs every 10 months). ENSPIRE Controller's advantage is in-app purchases (none vs 1) and ratings volume (99 vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. PianoDisc Calibrate sells 1 one-off in-app purchase. ENSPIRE Controller asks for nothing beyond the download.

PianoDisc Calibrate holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: ENSPIRE Controller has 99 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of PianoDisc Calibrate's written reviews are positive against 18% of ENSPIRE Controller's.

PianoDisc Calibrate ships an update every 6 weeks, ENSPIRE Controller every 10 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | PianoDisc Calibrate | ENSPIRE Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pianodisc-calibrate/id955611164/reviews)** | [2.0 (99 ratings)](https://appshunter.io/ios/app/enspire-controller-us/id1109063596/reviews) |
| Number of ratings | 2 | **99** |
| Positive reviews | **100.0% of reviews** | 18.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | Free | Free |
| Size | 62 MB | 17 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Burgett Inc.](https://appshunter.io/developer/955611163) | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) |

## What reviewers say

### PianoDisc Calibrate

[App page](https://appshunter.io/ios/app/pianodisc-calibrate/id955611164)

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.

**Highlights:** Key calibration, Pedal settings, Volume control adjustment, Firmware updates, MIDI interface compatibility, SilentDrive HD settings

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Activation Region Key | $999.99 | one-time |


### ENSPIRE Controller

[App page](https://appshunter.io/ios/app/enspire-controller-us/id1109063596)

Control your Yamaha Disklavier ENSPIRE piano wirelessly. Access built-in songs, download thousands more, and enjoy exclusive streaming piano music channels. Seamless integration with your mobile devices makes managing your instrument effortless.

**Highlights:** Wireless network connectivity, Access to built-in and downloadable songs, Thousands of performances available, Exclusive streaming piano music channels, Intuitive controller design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works when connected
- 👍 Intuitive interface (older reviews)
- 👍 Good when it works
- 👍 Appreciated by older Disklavier owners

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 App rarely works
- 🐛 Unreliable and unstable
- 🐛 Difficult to navigate
- 🐛 Expensive for poor functionality

**Reported bugs**

- Connection issues
- App crashes
- White screen of death
- Requires rebooting piano
- Login/server connection issues

**Requested features**

- Update app for consistency
- More access to maintenance functions/tests/settings
- Better support for Remote Lesson functions
- Dark theme/night mode options
- Wallpaper options


## Frequently asked questions

### Is PianoDisc Calibrate free?

PianoDisc Calibrate is free to download, with in-app purchases available.

### Is ENSPIRE Controller free?

ENSPIRE Controller is free to download, with no in-app purchases.

### Which has better reviews, PianoDisc Calibrate or ENSPIRE Controller?

PianoDisc Calibrate is rated higher. PianoDisc Calibrate averages 4.5 out of 5 from 2 ratings, while ENSPIRE Controller averages 2.0 from 99 ratings.

### Do PianoDisc Calibrate or ENSPIRE Controller have ads?

Neither PianoDisc Calibrate nor ENSPIRE Controller shows ads.

### Which is updated more often, PianoDisc Calibrate or ENSPIRE Controller?

PianoDisc Calibrate ships an update every 6 weeks, and ENSPIRE Controller every 10 months. Most recently, PianoDisc Calibrate was updated on October 24, 2026 and ENSPIRE Controller on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*