S vs TuneRoster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
TuneRoster
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TuneRoster is the private project room built for independent artists, bands, producers, and songwriting teams. Keep the entire record organized from the first lyric draft to the final distributor delivery without scattering decisions across notes apps, message threads, cloud folders, and spreadsheets. WRITE AND DEVELOP SONGS • Organize singles, EPs, albums, and mixtapes • Store multiple lyric drafts for every song • Track BPM, musical key, meter, notes, and production status • Move tracks through Writing, Recording, Mixing, Mastering, and Distribution • Create custom project statuses for your own workflow REVIEW MIXES WITH PRECISION • Import and audition multiple mix versions • Compare versions from the same playback position • Review audio with a visual waveform • Add written feedback at exact timestamps • Record voice feedback alongside written notes • Mark the approved mix while keeping earlier bounces available FINISH THE RELEASE • See every track on a visual production pipeline • Build a release checklist with custom milestones • Add deadlines, overdue indicators, and reminders • Track credits, roles, and ownership splits • Set album-wide mix and mastering direction separately from track notes • Monitor release readiness at a glance KEEP EVERY ASSET READY • Open uploaded images in a full-screen swipeable gallery • Preview imported documents without leaving the project • Keep album-level contracts, metadata, and release documents in the Album Asset Vault • Attach lyric PDFs, chord charts, session sheets, and other documents to individual tracks • Export a readable report, a ready-made track data CSV, a custom CSV, and a JSON project archive • Hand off track titles, BPM, key, meter, lyrics, credits, and splits in one CSV • Share individual audio files and documents with people who do not use TuneRoster PRIVATE BY DESIGN TuneRoster does not require a separate account. Your project library stays in the app on your device. There are no ads or third-party advertising profiles. Start with three tracks for free across any mix of singles, EPs, albums, and mixtapes. Unlock unlimited local projects and tracks forever for $9.99. This is a one-time purchase with no subscription.
Screenshots
Verdict
The clearest difference is in-app purchases: S at none against TuneRoster's 1. TuneRoster's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads, device support and iOS requirement 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. TuneRoster sells 1 one-off in-app purchase. S asks for nothing beyond the download.
S ships an update every 6 weeks, TuneRoster every 3 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.
| Parameter | S | TuneRoster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Mathias Kirkerød | Nicolas Techer |
In-app purchases
S
No in-app purchases
TuneRoster
- TuneRoster Local$9.99









