# SJ vs Beat Maker Studio

The clearest difference is price: Beat Maker Studio at Free against SJ's $0.49. Beat Maker Studio also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (16.0 vs 26.5). SJ's advantage is in-app purchases (none vs 13) and ads (none vs shown). On device support there is nothing between them.

Beat Maker Studio is free to download; SJ costs $0.49 up front. Beat Maker Studio sells 13 in-app purchases, starting at $5.99 per 7 days. SJ asks for nothing beyond the download.

SJ ships an update fortnightly, Beat Maker Studio every 3 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | SJ | Beat Maker Studio |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/beat-maker-studio-jam-pad/id6803020511/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | **#192** | — |
| Size | 30 MB | 35 MB |
| Requires iOS | 26.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Stsiapan Maltsau](https://appshunter.io/developer/6803020513) |

## What reviewers say

### SJ

[App page](https://appshunter.io/ios/app/sj-square-synthesizer/id6797394418)

**Currently charting:** #192 Top Paid · Music (US App Store)

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

**In-app purchases:** none


### Beat Maker Studio

[App page](https://appshunter.io/ios/app/beat-maker-studio-jam-pad/id6803020511)

Create music and beats with AI assistance. This app offers a simple music studio to craft melodies, record vocals, import sounds, and apply effects. Share your creations with friends and explore various music styles.

**Highlights:** AI beat and melody creation, Extensive sound pack library, Record vocals and import sounds, Real-time sound effect control, Drum pad and note placement modes, Multiple music style presets

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Premium | $5.99 | per 7 days |
| Year Premium | $53.99 | per year |
| Wild Child | $2.19 | one-time |
| Fringe | $2.19 | one-time |
| Amber | $2.39 | one-time |
| Scurry | $2.39 | one-time |
| Sprout | $2.39 | one-time |
| Sun Road | $2.39 | one-time |
| Dont Cry | $2.39 | one-time |
| Wintery | $2.39 | one-time |
| Handy | $2.39 | one-time |
| Nexus | $2.39 | one-time |
| Psy Duck | $2.39 | one-time |


## Frequently asked questions

### Is SJ free?

SJ costs $0.49, with no in-app purchases.

### Is Beat Maker Studio free?

Beat Maker Studio is free to download, with in-app purchases available.

### Do SJ or Beat Maker Studio have ads?

Beat Maker Studio shows ads; SJ does not.

### Which is updated more often, SJ or Beat Maker Studio?

SJ ships an update fortnightly, and Beat Maker Studio every 3 days. Most recently, SJ was updated on October 29, 2026 and Beat Maker Studio on October 29, 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.*