# Piano Solo Studio vs Calliope Sim

The clearest difference is ratings volume: Calliope Sim at 4 against Piano Solo Studio's 1. Calliope Sim also leads on iOS requirement (12.0 vs 15.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Piano Solo Studio sells 1 one-off in-app purchase and Calliope Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Piano Solo Studio against 5.0 for Calliope Sim. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Piano Solo Studio ships an update every 2 months, Calliope Sim every 3 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Piano Solo Studio | Calliope Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/piano-solo-studio/id6478860786/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/calliope-sim/id6740209595/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 73 MB | 114 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Batalsoft](https://appshunter.io/developer/938084048) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### Piano Solo Studio

[App page](https://appshunter.io/ios/app/piano-solo-studio/id6478860786)

Learn and play piano with a versatile app featuring a full keyboard, 47 songs, 21 instruments, and MIDI controller support. Record your performances and export them in various formats. Suitable for all skill levels.

**Highlights:** Full 85-key piano with adjustable display, 47 songs across four difficulty levels, 21 virtual instruments, MIDI keyboard connectivity (USB/Bluetooth), Song recording and export (MP3, WAV, MIDI), Four chord modes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | one-time |


### Calliope Sim

[App page](https://appshunter.io/ios/app/calliope-sim/id6740209595)

Experience the nostalgic charm of traditional fairgrounds and circuses with this realistic calliope simulator. It offers authentic sounds and advanced features like microtonal tuning and reverb for expressive musical performances. Record and share your creations easily.

**Highlights:** Authentic calliope sound sample, Microtonal tuning, Transpose adjustment, Reverb effects, Chorus mode, Dynamic key sensitivity, Built-in recorder, Shareable performances

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium | $7.99 | one-time |


## Frequently asked questions

### Is Piano Solo Studio free?

Piano Solo Studio is free to download, with in-app purchases available.

### Is Calliope Sim free?

Calliope Sim is free to download, with in-app purchases available.

### Which has better reviews, Piano Solo Studio or Calliope Sim?

Piano Solo Studio and Calliope Sim are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Piano Solo Studio or Calliope Sim have ads?

Both Piano Solo Studio and Calliope Sim show ads.

### Which is updated more often, Piano Solo Studio or Calliope Sim?

Piano Solo Studio ships an update every 2 months, and Calliope Sim every 3 months. Most recently, Piano Solo Studio was updated on November 4, 2026 and Calliope Sim on October 30, 2026.

---

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