Comparison

Tweakbench Studio vs S

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 36 AUv3 plugins
  • Instruments and effects
  • iOS DAW integration
  • Single installation
  • Full collection access
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Tweakbench Studio4 screens
S3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Tweakbench Studio sells 10 one-off in-app purchases. S asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Tweakbench Studio ships an update weekly, S every 6 weeks. The most recent releases landed on September 22, 2026 and September 26, 2026 respectively.

Scorecard7 real differences · 3 level
Tweakbench Studio versus S: the parameters behind the verdict, then further details
ParameterTweakbench StudioS
PriceFreeFree
Rating4.2 (13 ratings)4.5 (4 ratings) — better
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings13 — better4
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size536 MB17 MB
Age rating4+4+
DeveloperTweakbench LLCMathias Kirkerød

Customer experience

Tweakbench Studio

All ratings13 ratings
Positive84.6%
Neutral0.0%
Negative15.4%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

S

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

10 purchases

Tweakbench Studio

One-time10
  • Sideslip$4.99
  • Tapeworm$4.99
  • Toad$4.99
Show 7 more
  • 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
None

S

No in-app purchases

Questions

Is Tweakbench Studio free?
Tweakbench Studio is free to download, with in-app purchases available.
Is S free?
S is free to download, with no in-app purchases.
Which has better reviews, Tweakbench Studio or S?
S is rated higher. Tweakbench Studio averages 4.2 out of 5 from 13 ratings, while S averages 4.5 from 4 ratings.
Do Tweakbench Studio or S have ads?
Neither Tweakbench Studio nor S shows ads.
Which is updated more often, Tweakbench Studio or S?
Tweakbench Studio ships an update weekly, and S every 6 weeks. Most recently, Tweakbench Studio was updated on September 22, 2026 and S on September 26, 2026.

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