Comparison

Synth by Wärn vs LuSID Synthesizer

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

Head to head
About

Synth by Wärn

Explore unique soundscapes with two distinct synthesizers. This app offers a creative tool for generating experimental audio and musical textures.

Highlights
  • Two unique synthesizers
  • Experimental sound generation
  • Creative audio tool
  • Musical texture creation
Features
Read full description

A couple of weird synths.

About

LuSID Synthesizer

Create synthwave music with a powerful, intuitive synthesizer. Features a multi-voice engine, versatile filter, built-in sequencer, and a range of effects. Record and share your creations easily.

Highlights
  • Eight-voice polyphony with unison
  • Audio-rate filter envelope
  • Built-in 4-64 step sequencer
  • Tape-style delay, chorus, distortion, reverb
  • Neon Liquid-Glass interface
  • Record and share WAV files
Features
Read full description

LuSID Synthesizer — a SID-inspired SwiftUI synth with a synthwave heart. Eight-voice polyphony with detune-and-spread unison, audio-rate filter envelope, classic SID-flavoured ring modulation and pulse-width modulation, plus a built-in 4 to 64-step sequencer and tape-style delay, chorus, distortion, and lush reverb. Wrapped in a neon Liquid-Glass interface that matches what's playing — magenta sequencer steps that bloom lime when active, a gradient cyan oscilloscope that traces your output in real time, and a synthwave horizon that rolls under the step grid. FOUR TABS SYNTH — oscillator (triangle, sawtooth, square, noise) with PolyBLEP anti-aliasing. Custom Cytomic state-variable filter (low-pass, high-pass, band-pass, notch) with drive and self-oscillating resonance. Audio-rate filter envelope. LFO with pitch, cutoff, PWM, and pan destinations. Ring modulation. Distortion (lo-fi, broken, cubed, bitcrush, mangled). Chorus. Delay. Reverb (plate, room, hall, cathedral). Big rotary knobs, all the modulation routing visible. SEQUENCER — 4 to 64 steps. Tap-to-place notes with the chromatic note picker. Per-step ratchets (1x, 2x, 3x) and held-legato notes for gate-length variation. Tempo from 60 to 440 BPM, gate length 5 to 150 percent of step. KEYBOARD — two-octave touch piano with multi-touch chords and slide-to-play, velocity slider, octave switcher (C2 to C6). RECORD — capture everything you hear (filter, drive, delay, reverb, the full chain) to a WAV file in the app's Documents folder, then share via the iOS share sheet. 5 to 60 seconds per take. LuSID is built for the moments when you want to make sound, not learn software. No menus, no preset hunting, no tutorials. Tap a step, sweep a knob, hold a key. The app treats every parameter as performance. NO ACCOUNTS. NO ANALYTICS. NO TRACKING. NO ADS. LuSID does not collect any data, make any network requests, or contain any third-party SDKs. Recordings stay on your device until you choose to share them.

Screenshots

Synth by Wärn1 screens
LuSID Synthesizer4 screens

Verdict

The call

The clearest difference is rating: LuSID Synthesizer at 5.0 against Synth by Wärn's 3.8. Synth by Wärn's advantage is ratings volume (4 vs 1) and iOS requirement (9.0 vs 18.4). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

LuSID Synthesizer holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Scorecard3 real differences · 7 level
Synth by Wärn versus LuSID Synthesizer: the parameters behind the verdict, then further details
ParameterSynth by WärnLuSID Synthesizer
PriceFreeFree
Rating3.8 (4 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better18.4
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperJohannes WarnLukasz Pomianek

Customer experience

Synth by Wärn

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

LuSID Synthesizer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Synth by Wärn

No in-app purchases

None

LuSID Synthesizer

No in-app purchases

Questions

Is Synth by Wärn free?
Synth by Wärn is free to download, with no in-app purchases.
Is LuSID Synthesizer free?
LuSID Synthesizer is free to download, with no in-app purchases.
Which has better reviews, Synth by Wärn or LuSID Synthesizer?
LuSID Synthesizer is rated higher. Synth by Wärn averages 3.8 out of 5 from 4 ratings, while LuSID Synthesizer averages 5.0 from 1 ratings.
Do Synth by Wärn or LuSID Synthesizer have ads?
Neither Synth by Wärn nor LuSID Synthesizer shows ads.

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