Comparison

iProphet Synthesizer vs Zeeon synth

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

Head to head
About

iProphet Synthesizer

This app emulates the classic Sequential Circuits Prophet VS synthesizer, offering its unique digital sound. Sculpt sounds with four digital oscillators, a multimode filter, and extensive modulation options. It includes over 500 presets and integrates with other music production tools.

Highlights
  • Vector screen with joysticks
  • Modulation Matrix
  • 3 DSP effects
  • 96 waveforms
  • 4 filter types
  • Vector envelope
  • Unison/detune
Read full description

When a punchy, fat sound is demanded, look no further. iProphet recreates the unique sound of the classic Sequential Circuits Prophet VS synthesizer. Need help? Have an issue or question? Please email us at support@retronyms.com. The Prophet VS's rareness and classic digital sound make it a mainstay for those who can find them. The sound is purely classic crisp digital sound that easily stands on its own, but at the same time is the perfect compliment to the sound of analog synthesizers. iProphet brings the crystaline vintage sound of four digital oscillators and allows sculpting them using a creamy and warm multimode filter. iProphet comes with over 500 presets created by some of todays best sound designers. Use it in Tabletop to compose your music. You can morph the sound of the 4 oscillators using the joystick or the vector mode and the vector envelope. You can also swap presets between iProphet and Arturia's Prophet V synthesizer which allows you to work on the iPad and finish in the DAW of your choice. iProphet is a Tabletop Ready app. The connect menu allows you to connect iProphet to the Retronyms Tabletop app, giving you an integration with a complete studio environment. Tabletop also features add-ons for more effects and instruments from other 3rd party companies. iProphet supports Core MIDI, interapp-audio as well as Audiobus technologies for perfect integration. The use of the brands 'Prophet' and 'Sequencial Circuits' is done with permission of Dave Smith Instruments. Features Include: - Vector screen with joysticks to mix oscillators and envelopes - Super flexible Modulation Matrix - 3 DSP effects (overdrive, delay, and chorus) - 96 different wave forms to control pitch - 4 filter types - Vector envelope featuring loop points - Unison/detune for beefy sounds - Full user MIDI mapping of panel controls - Tabletop Ready app - Soundcloud seeder (via Tabletop) - Render to .wav file (via Tabletop) - AudioCopy to paste your audio into another iPad application (via Tabletop)

About

Zeeon synth

This app is a virtual analog synthesizer that recreates the sound and feel of classic hardware. It features a detailed circuit-modeling engine, powerful modulation, and multiple filter models for rich, organic soundscapes. Explore a vast array of presets and expand your sonic palette with additional sound banks.

Highlights
  • Circuit-modeling engine
  • Powerful modulation matrix
  • Dual oscillators with variable waveforms
  • Multiple filter models
  • Built-in effects unit
  • Audio Unit v3 support
  • Polyphonic step sequencer
Features
Read full description

Zeeon is a virtual-analog synthesizer built on a deeply detailed circuit-modeling engine. We’ve studied classic and modern analog synths to uncover what gives them their unmistakable character and recreated that essence with precision. The result is a unique instrument that delivers the warmth, movement, and organic depth of true hardware. While many emulations sound flat, Zeeon breathes. Every note is alive, with tight lows and shimmering highs. All audio and modulation are processed at 176 kHz (4× oversampling) for uncompromised quality across the entire spectrum. “Desktop-class sound engine … fidelity of this analog emulation goes beyond everything else on iOS.” – App Store review Features • Audio Unit v3 and standalone application with a simple polyphonic step sequencer • Powerful modulation matrix offering self-modulation and cross-layer modulation, 8 modulation slots, 17 signal sources and 41 targets available, both from modulation modules and audio signal path. This takes Zeeon into semi-modular territory. Imagine oscillator waveform, panning, filter cutoff, resonance or LP-HP mode modulated by oscillators or another layer! • 2 oscillators with continuously variable waveforms, hard-sync and sub-oscillator. Carefully simulated analog drift and PSU influence. • Filter: 3 models available: Transistor ladder low pass, OTA cascade low pass and State Variable Filter with continuously variable LP-HP + BP mode. • 2 low frequency oscillators and envelope generators per voice. • Overdrive: diode clipper, transistor saturation, wave folder, pre and post filter. • Up to 2 layers per voice. Layers can modulate each other. • Effects unit: Circuit modelled BBD chorus, bass booster, zero-delay Phaser, Stereo delay and Reverb. • 280 presets and Tutorials bank. 3 additional banks available as IAPs. Full manual and audio demos available at the BeepStreet website.

Screenshots

Zeeon synth3 screens

Verdict

The call

The clearest difference is rating: Zeeon synth at 4.8 against iProphet Synthesizer's 3.6. Zeeon synth also leads on review sentiment (76% vs 34%) and update cadence (every 2 months vs every 5 months). iProphet Synthesizer's advantage is in-app purchases (none vs 3) and price ($9.99 vs $14.99). On 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

CostPrice · In-app purchases · Ads · Monetization

iProphet Synthesizer costs $9.99 and Zeeon synth $14.99 up front. Zeeon synth sells 3 one-off in-app purchases. iProphet Synthesizer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zeeon synth holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Zeeon synth has 209 ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 34% of iProphet Synthesizer's written reviews are positive against 76% of Zeeon synth's.

UpkeepUpdate frequency

iProphet Synthesizer ships an update every 5 months, Zeeon synth every 2 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard9 real differences · 1 level
iProphet Synthesizer versus Zeeon synth: the parameters behind the verdict, then further details
ParameteriProphet SynthesizerZeeon synth
Price$9.99 — better$14.99
Rating3.6 (32 ratings)4.8 (209 ratings) — better
Positive reviews34.0% of reviews76.0% of reviews — better
Number of ratings32209 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better15.6
Further details — not scored
Size85 MB27 MB
Age rating4+4+
DeveloperArturiaBeepStreet

Customer experience

iProphet Synthesizer

All ratings30 ratings
Positive63.3%
Neutral3.3%
Negative33.3%
Written reviews100 reviews
Positive34.0%
Neutral17.0%
Negative49.0%

Zeeon synth

All ratings209 ratings
Positive93.8%
Neutral2.4%
Negative3.8%
Written reviews167 reviews
Positive76.0%
Neutral7.2%
Negative16.8%

User reviews

iProphet Synthesizer

From 32 App Store ratings

What we love

  • 🎵 Authentic Prophet VS sound quality and character
  • 🎹 Deep modulation matrix with vector synthesis capabilities
  • 🎚️ Extensive preset library with diverse sounds
  • 🎨 Intuitive visual interface and design
  • 💰 Affordable price point for feature set

Room to improve

  • 🐛 Persistent audio distortion and crackling issues
  • 🐛 Frequent crashes and app freezes
  • 🔌 Poor inter-app audio (IAA) and Audiobus integration
  • 🔋 Excessive battery drain in background
  • ⚠️ Abandoned by developer with no updates

Zeeon synth

From 209 App Store ratings

What we love

  • 🎨 Excellent sound quality
  • 🎹 Intuitive and well-designed interface
  • 🔧 Flexible and deep sound design capabilities
  • 💻 Seamless integration as an AUv3 plugin
  • 🎚️ Smooth and responsive controls

Room to improve

  • 🐛 Stability issues, crashes on some devices
  • 🔌 Compatibility problems with newer iOS versions
  • 📂 Preset management could be improved
  • 🔀 Lack of MIDI learn and sequencer features
  • 🖥️ UI scaling issues on larger iPad displays

Bugs and requests

iProphet Synthesizer

Reported bugs

15 issues
  • Audio distortion and crackling in all presets
  • App crashes on iOS 14+ versions
  • Inter-app audio (IAA) connection requires multiple restarts
  • Preset changes cause app freezes and audio cutouts
  • Stuck and hanging notes when sliding on keyboard
Show 10 more
  • Modulation settings incorrectly apply across different presets
  • Low-frequency humming loop persists during playback
  • AirPods Max audio quality degradation
  • Audiobus integration causes lockout and screeching
  • iPad goes to sleep during drone playback
  • Save preset function not working
  • Waveform display shows white blocks in Tabletop
  • Sustain pedal not responding to MIDI messages
  • Preset polyphony status changes unexpectedly
  • App becomes unresponsive in DAW environments

Requested features

14 requests
  • AUv3 plugin support for Logic Pro and other DAWs
  • Ability to save custom patches and presets
  • Velocity and aftertouch MIDI support
  • MIDI control for joystick parameter
  • User-defined waveform creation
Show 9 more
  • Full 8-note polyphony support
  • Background audio playback capability
  • MIDI output functionality
  • Master transpose feature
  • Key and velocity zones
  • Sequencer built into app
  • Sample rate adjustment options
  • Persistent MIDI channel settings
  • Last preset memory on app launch

Zeeon synth

Reported bugs

4 issues
  • Preset settings not retained after app restart
  • Synth reverts to default settings when reopening Logic Pro project
  • Crashes and freezes on certain iOS 14+ devices
  • Inability to access in-app purchases from within the app

Requested features

5 requests
  • Add MIDI learn functionality
  • Implement a more robust preset management system
  • Include a built-in sequencer with save/load capabilities
  • Improve UI scaling and layout for larger iPad screens
  • Provide better integration with inter-app audio and Audiobus

In-app purchases

None

iProphet Synthesizer

No in-app purchases

3 purchases

Zeeon synth

One-time3
  • OI - Exploration Vol. 1$3.99
  • BB Z-Space$4.99
  • BB Synthwave$4.99

Questions

Is iProphet Synthesizer free?
iProphet Synthesizer costs $9.99, with no in-app purchases.
Is Zeeon synth free?
Zeeon synth costs $14.99, and also offers in-app purchases.
Which has better reviews, iProphet Synthesizer or Zeeon synth?
Zeeon synth is rated higher. iProphet Synthesizer averages 3.6 out of 5 from 32 ratings, while Zeeon synth averages 4.8 from 209 ratings.
Do iProphet Synthesizer or Zeeon synth have ads?
Neither iProphet Synthesizer nor Zeeon synth shows ads.
Which is updated more often, iProphet Synthesizer or Zeeon synth?
iProphet Synthesizer ships an update every 5 months, and Zeeon synth every 2 months. Most recently, iProphet Synthesizer was updated on October 15, 2026 and Zeeon synth on October 16, 2026.

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