# S vs SL Air

The clearest difference is update cadence: SL Air at every 5 days against S's every 7 months. S's advantage is price ($2.99 vs $4.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

S costs $2.99 and SL Air $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

S ships an update every 7 months, SL Air every 5 days. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | S | SL Air |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| 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 5 days** |
| Monetization | Paid | — |
| Size | 7 MB | 17 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) | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) |

## 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


### SL Air

[App page](https://appshunter.io/ios/app/sl-air/id6797349220)

**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 SL Air free?

SL Air costs $4.99, with no in-app purchases.

### Do S or SL Air have ads?

Neither S nor SL Air shows ads.

### Which is updated more often, S or SL Air?

S ships an update every 7 months, and SL Air every 5 days. Most recently, S was updated on September 19, 2026 and SL Air on September 11, 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.*