Nambu vs Phase Monkey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nambu
This app is a semi-modular FM synthesizer offering a unique sound design experience. It combines traditional FM operators with six distinct operator types, including analog-style oscillators, noise, filters, and resonators.
- Semi-modular FM synthesis
- Six operator types
- Analog synth-style oscillators
- AM synthesis
- Noise generator
- Filters and resonators
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NAMBU is a semi-modular FM synthesizer that allows you to create sounds by combining not only typical FM operators but also six different types of operators: analog synth-style oscillators capable of AM, noise, texture particles, filters, and resonators. For more detailed information about the product, please visit the website. The website offers detailed product descriptions, manuals and videos, as well as important notices. https://icegear.net/
Phase Monkey
Explore a versatile digital synthesizer inspired by 1980s phase distortion technology. Create a wide range of sounds from warm pads to aggressive basses with its unique engine and eight-stage envelopes. Optimized for touch interaction, it also supports MIDI controllers and runs across Apple devices.
- Phase distortion synth engine
- Eight-stage envelopes
- Touch-first interface
- AUv3 plugin support
- Universal Apple purchase
- MIDI controller support
- iCloud preset syncing
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Phase Monkey is a polyphonic synthesizer inspired by the classic phase distortion synthesizers of the mid-1980s. However, instead of being a direct copy, Phase Monkey presents a fresh take on the classic sound engine, including the rare eight-stage envelopes. The result is a surprisingly versatile digital instrument that can produce anything from warm pads to shimmering leads to snarling basses. Whatever you do, don’t have fun with it! Features: - Focused, fun, and characterful synth engine - Touch-first design, almost the entire screen is part of a control - Runs standalone or as AUv3 plug-in (in compatible host) - Universal purchase on Apple platforms: runs on iPhone, iPad, and Mac - Presets synced across your devices via iCloud - Hook up a MIDI controller to play with a keyboard (optional) Details: - Eight classic phase distortion waveforms - Dedicated modulation oscillator for ring or noise modulation - Three rare eight-stage envelopes - Complex modulation of pitch and timbre possible via envelopes - LFO with five waveforms for classic modulation sounds - Master controls: portamento, random voice pan, onboard chorus, gain - Key behavior modes: poly, monophonic retrig, monophonic legato - Additional MIDI modulation sources: mod wheel, pitch bend, velocity, aftertouch (channel), key follow - Includes 40 highly usable factory presets to get you started making music Check out our YouTube: https://www.youtube.com/@sketchaudio Read the manuals: https://sketchaudio.com/manuals/
Screenshots
Verdict
The clearest difference is price: Phase Monkey at $5.99 against Nambu's $16.00. Nambu's advantage is review sentiment (91% vs 71%) and chart position (#188 vs unranked). On rating, ratings volume, update cadence and ads 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
Nambu costs $16.00 and Phase Monkey $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for Nambu against 4.8 for Phase Monkey. Both are backed by a comparable volume of ratings — 48 and 17 respectively. Written reviews are what separate them: 91% of Nambu's written reviews are positive against 71% of Phase Monkey's.
Nambu ships an update fortnightly, Phase Monkey weekly. The most recent releases landed on September 11, 2026 and July 16, 2026 respectively.
| Parameter | Nambu | Phase Monkey |
|---|---|---|
| Price | $16.00 | $5.99 — better |
| Rating | 4.8 (48 ratings) — better | 4.8 (17 ratings) |
| Positive reviews | 90.9% of reviews — better | 71.4% of reviews |
| Number of ratings | 48 — better | 17 |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 40 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | iceWorks, Inc. | Sketch Audio, LLC |
Customer experience
Nambu
Phase Monkey
In-app purchases
Nambu
No in-app purchases
Phase Monkey
No in-app purchases








