# S vs P422 Fairuz

The clearest difference is review sentiment: P422 Fairuz at 100% against S's 31%. P422 Fairuz also leads on rating (5.0 vs 2.6) and update cadence (monthly vs every 7 months). S's advantage is price ($2.99 vs $19.99) and ratings volume (11 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

S costs $2.99 and P422 Fairuz $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

P422 Fairuz holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: S has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 31% of S's written reviews are positive against 100% of P422 Fairuz's.

S ships an update every 7 months, P422 Fairuz monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | S | P422 Fairuz |
| --- | --- | --- |
| Price | **$2.99** | $19.99 |
| Rating | [2.6 (11 ratings)](https://appshunter.io/ios/app/s-modular/id1291071549/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/p422-fairuz/id6801470405/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 31.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 7 MB | 46 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Betowski](https://appshunter.io/developer/538476580) | [Pulsar Modular](https://appshunter.io/developer/6793457903) |

## 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


### P422 Fairuz

[App page](https://appshunter.io/ios/app/p422-fairuz/id6801470405)

This app offers a powerful four-band parametric equalizer with selectable curves and proportional Q for precise sound shaping. It emulates classic op-amp circuits, adding harmonic density and character, with features like a sub-bass circuit and input transformer control.

**Highlights:** Four op-amp EQ bands with Bell/Contour/Contour X2 shapes, Proportional Q for musical width, TREMOR sub-bass circuit, VOICE input transformer and HAMMER output stage saturation, Real-time spectrum analyzer, AUv3 plugin and standalone app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is P422 Fairuz free?

P422 Fairuz costs $19.99, with no in-app purchases.

### Which has better reviews, S or P422 Fairuz?

P422 Fairuz is rated higher. S averages 2.6 out of 5 from 11 ratings, while P422 Fairuz averages 5.0 from 1 ratings.

### Do S or P422 Fairuz have ads?

Neither S nor P422 Fairuz shows ads.

### Which is updated more often, S or P422 Fairuz?

S ships an update every 7 months, and P422 Fairuz monthly. Most recently, S was updated on October 24, 2026 and P422 Fairuz on October 25, 2026.

---

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