# SJ vs Disco Sampler+

The clearest difference is price: Disco Sampler+ at Free against SJ's $0.49. Disco Sampler+ also leads on update cadence (every 2 days vs fortnightly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Disco Sampler+ is free to download; SJ costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

SJ ships an update fortnightly, Disco Sampler+ every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SJ | Disco Sampler+ |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 30 MB | 6 MB |
| Requires iOS | **26.5** | 27.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Shinichiro Noguchi](https://appshunter.io/developer/925602182) |

## What reviewers say

### SJ

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

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

**In-app purchases:** none


### Disco Sampler+

[App page](https://appshunter.io/ios/app/disco-sampler-plus/id6820128608)

**In-app purchases:** none


## Frequently asked questions

### Is SJ free?

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

### Is Disco Sampler+ free?

Disco Sampler+ is free to download, with no in-app purchases.

### Do SJ or Disco Sampler+ have ads?

Neither SJ nor Disco Sampler+ shows ads.

### Which is updated more often, SJ or Disco Sampler+?

SJ ships an update fortnightly, and Disco Sampler+ every 2 days. Most recently, SJ was updated on November 5, 2026 and Disco Sampler+ on October 31, 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.*