# S vs RiffAlly Tuner

The clearest difference is price: RiffAlly Tuner at Free against S's $2.99. RiffAlly Tuner also leads on update cadence (every 2 days vs every 7 months). S's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On ads there is nothing between them.

RiffAlly Tuner is free to download; S costs $2.99 up front. RiffAlly Tuner sells 3 one-off in-app purchases. S asks for nothing beyond the download.

S ships an update every 7 months, RiffAlly Tuner every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | S | RiffAlly Tuner |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paul Betowski](https://appshunter.io/developer/538476580) | [Fernando Lanner Cardoso](https://appshunter.io/developer/6806420473) |

## 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


### RiffAlly Tuner

[App page](https://appshunter.io/ios/app/riffally-tuner/id6806709354)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Supporter Tip | $4.99 | one-time |
| Generous Tip | $9.99 | one-time |


## Frequently asked questions

### Is S free?

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

### Is RiffAlly Tuner free?

RiffAlly Tuner is free to download, with in-app purchases available.

### Do S or RiffAlly Tuner have ads?

Neither S nor RiffAlly Tuner shows ads.

### Which is updated more often, S or RiffAlly Tuner?

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