3D Synth vs KG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Synth
This app is a touch synthesizer that allows continuous pitch control for expressive playing. It offers various sound-shaping tools and effects, along with on-device recording capabilities for sharing and backup.
- Chromatic touch interface
- Real-time responsive play
- Multiple oscillator and FM instruments
- ADSR envelope shaping
- Reverb, delay, distortion, EQ effects
- On-device audio recording
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3DSynth! A chromatic touch synthesizer and on-device recorder. Chromatic by design - 3DSynth lets you play all notes and frequencies continuously—not locked to MIDI steps—so you control pitch directly with your finger like a real instrument! Real-time, responsive play - Low latency and immediate feedback keep your phrasing natural and expressive while you glide and shape the note in motion. Shape your sound - Choose different instruments (oscillator, FM, plucked), sculpt with ADSR and add effects like reverb, modulation, delay, distortion, and EQ! Record on device - Capture your takes directly to the app’s local recordings folder for sharing and backup. **Important** Deleting the app removes its local data, including recordings and settings. Export anything you want to keep before uninstalling or resetting the device. Enjoy and thanks for downloading!
KG
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KKG-SQUARE Pro is a landscape-first virtual analog synthesizer for iPhone. Classic panel layout, cool charcoal chassis, and a sharp cyan accent—built to feel like hardware you can play anywhere. Features 4-oscillator virtual analog engine Filter, filter envelope, amp envelope, and LFO Chorus, delay, and reverb with per-effect on/off and depth Arpeggiator and step sequencer Hold, portamento, and tempo-linked performance modes Full-width playable keyboard with octave shift MIDI input support Built-in voice presets Make bass, leads, pads, and evolving textures—fast—without leaving your phone.
Screenshots
Verdict
The clearest difference is price: 3D Synth at Free against KG's $0.49. 3D Synth also leads on iOS requirement (18.5 vs 26.5). KG's advantage is chart position (#191 vs unranked). On ads, in-app purchases 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
3D Synth is free to download; KG costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | 3D Synth | KG |
|---|---|---|
| Price | Free — better | $0.49 |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 11 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | — | #191 — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.5 — better | 26.5 |
| Further details — not scored | ||
| Size | 9 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | David Noy | Kouki Yoshimoto |
In-app purchases
3D Synth
No in-app purchases
KG
No in-app purchases









