Tweakbench Studio vs S
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tweakbench Studio
This app provides a comprehensive suite of 36 audio plugins, including instruments and effects, for iOS devices. It integrates seamlessly with your preferred iOS Digital Audio Workstation (DAW) as AUv3 plugins.
- 36 AUv3 plugins
- Instruments and effects
- iOS DAW integration
- Single installation
- Full collection access
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Tweakbench Studio brings the full collection of Tweakbench instruments and effects to iOS as AUv3 plugins. Plugins are now available for individual purhase, 7-day free trial, and heavily discounted bundle purchase.
S
This app is a polyphonic synthesizer that works with specific hardware. It offers a variety of sound engines, filters, and effects for creating unique audio textures. Advanced modulation options and a flexible routing system allow for deep sound design.
- Dual engine slots per voice
- Multiple sound flavors (analog, wavetable, FM, speech)
- Classic and Modern filter modes
- Advanced FX rack
- Two free-routing LFOs
- Unified mod matrix
- Standalone, AU, and AUv3 formats
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s-2 is a polyphonic synthesizer designed to work with the Roland AIRA Compact S-1. ENGINE Each voice runs two parallel engine slots that mix together. Pick a sound flavor per slot, including: • Classic analog — saw, square, sub, noise, pulse-width • Wavetable • FM • Speech • Chord • Plucked string FILTER AND FX Classic mode runs a vintage-style ladder filter into a simple Delay → Chorus → Reverb chain. Modern mode swaps in a multi-mode SVF (LP / BP / HP) followed by a 3-slot Advanced FX rack with Bitcrusher, Drive, Flanger, Phaser, Auto-Filter, Tape Delay, Plate Reverb and Chorus. MODULATION Two free-routing LFOs (sine / triangle / saw / square / random / noise, with optional clock-sync), a dedicated filter envelope with two destination slots, and a unified mod matrix dialog that visualizes every routing in one place. Click any knob in Learn mode to assign — no digging through menus. FORMATS • Standalone for iOS • Audio Unit (AU) for Logic Pro and other AU hosts • AUv3 plugin for iPad / iPhone in AUM, GarageBand, Cubasis and more - s-2 is an independent third-party application. It is not affiliated with, sponsored by, or endorsed by Roland Corporation. "Roland", "AIRA", "AIRA Compact", and "S-1" are trademarks of Roland Corporation, used here only to describe MIDI compatibility between this app and that hardware.
Screenshots
Verdict
The clearest difference is review sentiment: Tweakbench Studio at 75% against S's 0%. Tweakbench Studio also leads on update cadence (weekly vs every 6 weeks) and ratings volume (13 vs 4). S's advantage is in-app purchases (none vs 10) and rating (4.5 vs 4.2). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tweakbench Studio sells 10 one-off in-app purchases. S asks for nothing beyond the download.
S holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 13 and 4 respectively. Written reviews complicate that: 75% of Tweakbench Studio's written reviews are positive against 0% of S's, so the app with the better star average is not the one people write more warmly about.
Tweakbench Studio ships an update weekly, S every 6 weeks. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.
| Parameter | Tweakbench Studio | S |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (13 ratings) | 4.5 (4 ratings) — better |
| Positive reviews | 75.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 13 — better | 4 |
| Update frequency | Weekly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 536 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Tweakbench LLC | Mathias Kirkerød |
Customer experience
Tweakbench Studio
S
In-app purchases
Tweakbench Studio
- Sideslip$4.99
- Tapeworm$4.99
- Toad$4.99
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- Triforce$4.99
- Yoink$4.99
- Kitchen Bundle Unlock$9.99
- Saffron$9.99
- Shrapnel$9.99
- Bastion$9.99
- Full Bundle Unlock$69.99
S
No in-app purchases








