Sound Maker Synth vs Gliss
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Maker Synth
Create unique and complex sounds with a versatile FM synthesizer. Combine up to 10 sound generators, adjust frequencies and waveforms, and add effects like reverb. Explore a wide range of sonic possibilities for pads, basslines, and alien-like textures.
- Multiple sound generators (up to 10)
- Adjustable frequency and waveforms
- Volume, modulation, and tremolo effects
- Real-time sound preview
- Reverb effect
- One-octave keyboard for playing
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This app is capable and complex FM synthesiser that can create rich and very strange sounds combining up to 10 sound generators. Every generator can be adjusted up or down from the main frequency almost without restrictions in range. There are 4 possible wave forms for the generator output and you can tweet the volume, modulation and add some tremolo effect. You can listen to the result sound while you are adjusting the new generator and just add it to the result when it sounds good. With the Sound Maker Synth you can also add reverb and then play it as a one voice synth using the one octave keyboard at the top. The app is very capable to create some strange and alien like pad sounds as some dubstep bass.
Gliss
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Gliss is a touch instrument that sings. Two lines of light run across the screen. Slide a finger along one and the pitch follows continuously, like a voice or a bow, never stepping from key to key. Press lower on the line and the note swells; lift toward it and it fades to a breath. GRAVITY Each note of the scale is a well. Turn gravity down and the lines are fretless: every pitch in between is yours. Turn it up and your finger is gently pulled into tune: slide freely, land exactly. All the way up, it locks. FLEX The pitch follows your finger on an elastic. Loose, and it lags behind with a slow, singing portamento. Tight, and it snaps. SOUNDS 24 sounds built around a singing core: strings, voices, winds, leads, basses, pads, plucks and a few oddities, like a cello that sings, a choir, a horn in the fog. A slow orbital vibrato settles in once the note has been held, the way a singer's does. Shape any sound with tone, texture, subharmonic mixture, formant, filter and envelope. 28 TUNINGS Western modes, blues, Arabic maqam with true quarter tones, Turkish makam, Persian dastgah, klezmer, Southeast Asian scales, just intonation, 19 and 31 equal temperaments. Neutral intervals can be shaded from Egypt to Syria. MORE THAN TWO FINGERS • Chords: one finger can play a fifth, a triad, a seventh or an octave, always inside the scale • Arpeggiator: up, down, up and back, random, locked to tempo • Looper: record, overdub, loop, clear • Lanes: give each line its own sound, chord and octave • Tilt the device to bend and open the filter • Flick a note and it slides away, bounces and fades. Touch it to catch it IN YOUR HOST (AUv3) Gliss is also an AUv3 instrument for AUM, Loopy Pro, GarageBand, Logic and every host that loads Audio Units. Play its two lines with your fingers inside the host, or from a keyboard, an MPE controller or a MIDI track: every note lands on a line and gravity pulls it into your tuning. Ten parameters to automate, factory presets, and the whole instrument saved with your project. FREE, THEN PRO AND STUDIO Gliss is free to play: the whole gesture, three sounds (VOIX, PLUIE NOIRE, KOTO LUNE) and three tunings (major, minor and maqam Rast), in the app and in your host. Two one-time purchases, each on its own: GLISS PRO for the app unlocks all 24 sounds and their settings, all 28 tunings, chords, the arpeggiator, the looper, lanes, tilt and effects. GLISS STUDIO for your host unlocks every sound and tuning in the AUv3 plugin, with MIDI and MPE in and automation. No subscription. Designed for iPhone, iPad and iPhone Duo: landscape on a phone, any way you hold a large screen, the bars on the flat half and the settings on the raised half when it is folded. Dark, with nothing on screen that is not sound. No account. No ads. No tracking. Gliss collects nothing; your settings stay on your device.
Screenshots
Verdict
The clearest difference is price: Gliss at Free against Sound Maker Synth's $1.99. Gliss also leads on update cadence (every 5 weeks vs every 39 months). Sound Maker Synth's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.0). On 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
Gliss is free to download; Sound Maker Synth costs $1.99 up front. Gliss sells 2 one-off in-app purchases. Sound Maker Synth asks for nothing beyond the download.
Sound Maker Synth ships an update every 39 months, Gliss every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Sound Maker Synth | Gliss |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 39 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandar Mlazev | Thinkspark |
In-app purchases
Sound Maker Synth
No in-app purchases
Gliss
- GLISS STUDIO$12.99
- GLISS PRO$12.99








