# iGuzheng vs Sky Studio

The clearest difference is price: Sky Studio at Free against iGuzheng's $0.99. Sky Studio also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 6 weeks). On rating, review sentiment, ads and device support there is nothing between them.

Sky Studio is free to download; iGuzheng costs $0.99 up front. iGuzheng sells 1 one-off in-app purchase. Sky Studio asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for iGuzheng against 4.4 for Sky Studio. That said, the two scores are not equally well evidenced: Sky Studio has 118 ratings behind it against 10, so its average is the more settled of the two. Written reviews split almost evenly too, at 85% and 85% positive.

iGuzheng ships an update every 6 weeks, Sky Studio every 2 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | iGuzheng | Sky Studio |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/iguzheng/id519411018/reviews) | [4.4 (118 ratings)](https://appshunter.io/ios/app/sky-studio/id1522241329/reviews) |
| Number of ratings | 10 | **118** |
| Positive reviews | **85.4% of reviews** | 84.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 130 MB | 80 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Supertintin Co., Ltd](https://appshunter.io/developer/345365970) | [JoneRyeol Kim](https://appshunter.io/developer/1522241331) |

## What reviewers say

### iGuzheng

[App page](https://appshunter.io/ios/app/iguzheng/id519411018)

Learn to play the Guzheng with an innovative "Follow Play" feature that provides real-time prompts. This app supports numerous playing techniques and offers high-quality stereo samples for an authentic experience.

**Highlights:** Follow Play guided learning, Supports 21 strings, Authentic playing techniques, High-quality stereo samples, Flexible Guzheng view with zoom, Smart pitch snapping

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iGuzheng™⁺ Pro Version | $1.99 | one-time |


### Sky Studio

[App page](https://appshunter.io/ios/app/sky-studio/id1522241329)

Create, practice, and play sheet music for "Sky: Children of the Light." Features include composing with editing tools, practicing with adjustable settings, and an instrument pad for free play. Supports multiple music file formats.

**Highlights:** Compose sheet music, Practice sheet music, Instrument pad mode, Save and load scores, Metronome, Multiple supported formats (JSON, ABC, MIDI)

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

**In-app purchases:** none


## Frequently asked questions

### Is iGuzheng free?

iGuzheng costs $0.99, and also offers in-app purchases.

### Is Sky Studio free?

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

### Which has better reviews, iGuzheng or Sky Studio?

iGuzheng and Sky Studio are both rated 4.4 out of 5 on the App Store, from 10 and 118 ratings respectively.

### Do iGuzheng or Sky Studio have ads?

Neither iGuzheng nor Sky Studio shows ads.

### Which is updated more often, iGuzheng or Sky Studio?

iGuzheng ships an update every 6 weeks, and Sky Studio every 2 weeks. Most recently, iGuzheng was updated on September 22, 2026 and Sky Studio on September 23, 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.*