# PianoDisc Calibrate vs Student Locker Recipient

The clearest difference is in-app purchases: Student Locker Recipient at none against PianoDisc Calibrate's 1. On price, update cadence, ads and device support there is nothing between them.

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

PianoDisc Calibrate ships an update every 6 weeks, Student Locker Recipient monthly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PianoDisc Calibrate | Student Locker Recipient |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/pianodisc-calibrate/id955611164/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 62 MB | 49 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Burgett Inc.](https://appshunter.io/developer/955611163) | [Winn Solutions, LLC](https://appshunter.io/developer/1085468471) |

## 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 |


### Student Locker Recipient

[App page](https://appshunter.io/ios/app/student-locker-recipient/id6445870201)

**In-app purchases:** none


## Frequently asked questions

### Is PianoDisc Calibrate free?

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

### Is Student Locker Recipient free?

Student Locker Recipient is free to download, with no in-app purchases.

### Do PianoDisc Calibrate or Student Locker Recipient have ads?

Neither PianoDisc Calibrate nor Student Locker Recipient shows ads.

### Which is updated more often, PianoDisc Calibrate or Student Locker Recipient?

PianoDisc Calibrate ships an update every 6 weeks, and Student Locker Recipient monthly. Most recently, PianoDisc Calibrate was updated on October 10, 2026 and Student Locker Recipient on October 13, 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.*