S vs Spreadsheets Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
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.
- Single-screen interface
- Fast, hands-on patching
- Vintage 1970s synth sound
- Dual oscillators
- Resonant ladder filter
- Multiple modulation sources
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S-Modular is a semi-modular synthesiser for iPad, designed for fast, hands-on patching without clutter. Everything is presented on a single screen, making sound design immediate and intuitive. Simply drag from one jack to another to create connections. S-Modular delivers a distinctive vintage sound inspired by classic 1970s synthesis — warm, rich, and full of character. Features Dual oscillators 24 dB/oct ladder filter Resonant high-pass and low-pass filters Two LFOs Four-step CV sequencer Four-track mixer Audio and CV splitter Two AHR envelope generators Delay effect
Spreadsheets Synth
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The 303 lives between the sheets. Spreadsheets Synth is an acid bass synthesizer with a built-in step sequencer — a cultural product of the band Spreadsheets, tuned to 313K and pointed straight at the dance floor. THE SQUELCH Sawtooth or square through a resonant filter with cutoff, resonance, decay, and accent — from rubbery basslines to screaming acid leads. Add distortion for grit, then send it into orbit with the phaser and delay. THE SEQUENCER Program patterns step by step, set the line looping, and ride the cutoff live. It's an instrument for performing, not just programming. PLAYS WITH YOUR WHOLE RIG • AUv3 plugin — load it as an instrument in GarageBand, AUM, Cubasis, Loopy Pro, and any AUv3 host • Standalone app with background audio • MIDI in and out, including Bluetooth MIDI NO STRINGS No account, no ads, no tracking, no data collected. Just voltage.
Screenshots
Verdict
The clearest difference is price: Spreadsheets Synth at Free against S's $2.99. On ads, in-app purchases, 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
Spreadsheets Synth is free to download; S costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | S | Spreadsheets Synth |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 2.6 (11 ratings) — better | — |
| Positive reviews | 31.3% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 7 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Betowski | James Hurlbut |
In-app purchases
S
No in-app purchases
Spreadsheets Synth
No in-app purchases









