# S vs JP

The clearest difference is update cadence: JP at every 2 days against S's every 7 months. JP also leads on price ($0.49 vs $2.99). S's advantage is iOS requirement (15.6 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

S costs $2.99 and JP $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

S ships an update every 7 months, JP every 2 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | S | JP |
| --- | --- | --- |
| Price | $2.99 | **$0.49** |
| Rating | **[2.6 (11 ratings)](https://appshunter.io/ios/app/s-modular/id1291071549/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 7 MB | 31 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Betowski](https://appshunter.io/developer/538476580) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-modular/id1291071549)

This semi-modular synthesizer app for iPad offers a hands-on sound design experience with a single-screen interface for intuitive patching. It delivers a warm, vintage sound inspired by 1970s synthesizers, featuring dual oscillators, resonant filters, and multiple modulation sources.

**Highlights:** Single-screen interface, Fast, hands-on patching, Vintage 1970s synth sound, Dual oscillators, Resonant ladder filter, Multiple modulation sources

**Features:** Vision Pro support

**In-app purchases:** none


### JP

[App page](https://appshunter.io/ios/app/jp-square-pro-vintage-synth/id6779181284)

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

**In-app purchases:** none


## Frequently asked questions

### Is S free?

S costs $2.99, with no in-app purchases.

### Is JP free?

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

### Do S or JP have ads?

Neither S nor JP shows ads.

### Which is updated more often, S or JP?

S ships an update every 7 months, and JP every 2 days. Most recently, S was updated on October 24, 2026 and JP on October 19, 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.*