# PianoDisc Calibrate vs TheBioFlame

The clearest difference is rating: PianoDisc Calibrate at 4.5 against TheBioFlame's 1.0. PianoDisc Calibrate also leads on update cadence (every 2 months vs every 47 months). TheBioFlame's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and monetization model there is nothing between them.

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

PianoDisc Calibrate holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

PianoDisc Calibrate ships an update every 2 months, TheBioFlame every 47 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | PianoDisc Calibrate | TheBioFlame |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/pianodisc-calibrate/id955611164/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/thebioflame/id1095208970/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 47 months |
| Monetization | Free | Free |
| Size | 62 MB | 1 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Burgett Inc.](https://appshunter.io/developer/955611163) | [军方 张](https://appshunter.io/developer/1088748217) |

## 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 control, streamlining the setup process for trained technicians.

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

**Features:** Vision Pro support

**In-app purchases (1)**

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


### TheBioFlame

[App page](https://appshunter.io/ios/app/thebioflame/id1095208970)

Control your fireplace remotely using your mobile device. This application allows for convenient operation of your heating system from anywhere. It offers a simple interface for managing your fireplace's functions.

**Highlights:** Remote fireplace control, Simple user interface, Device management, Fireplace function operation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PianoDisc Calibrate free?

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

### Is TheBioFlame free?

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

### Which has better reviews, PianoDisc Calibrate or TheBioFlame?

PianoDisc Calibrate is rated higher. PianoDisc Calibrate averages 4.5 out of 5 from 2 ratings, while TheBioFlame averages 1.0 from 1 ratings.

### Do PianoDisc Calibrate or TheBioFlame have ads?

Neither PianoDisc Calibrate nor TheBioFlame shows ads.

### Which is updated more often, PianoDisc Calibrate or TheBioFlame?

PianoDisc Calibrate ships an update every 2 months, and TheBioFlame every 47 months. Most recently, PianoDisc Calibrate was updated on November 11, 2026 and TheBioFlame on November 2, 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.*