Comparison

iDousyn vs MasterBusListen

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

Head to head
About

iDousyn

This app transforms your device into a professional music production tool. It features a sample-based synthesizer with dual-layer sampling, advanced filters, and a professional effects chain. Create immersive sounds and build captivating tracks with an intuitive interface and extensive sound library.

Highlights
  • Dual-layer sampling
  • Advanced filters and EQ
  • Professional effects chain
  • Creative chord pads
  • MIDI mastery
  • Expansive sound library
Features
Read full description

iDousyn transforms your iPhone and iPad into a premium sampler, synthesizer, and AUv3 plugin built for professional music production, beat making, and sound design. Powered by a massive dual-layer rompler engine, it delivers a touch-optimized workflow to create studio-quality music anywhere. Seamlessly integrating as a high-performance AUv3 Audio Unit, iDousyn is the perfect companion for Logic Pro for iPad, GarageBand, Cubasis, AUM, Loopy Pro, and other leading iOS DAWs. Whether you are producing EDM, making hip hop beats, scoring cinematic soundtracks, or designing ambient soundscapes, iDousyn gives you the ultimate sonic palette. Chord Sequencer & Harmony Engine • Ultimate Inspiration: Instantly browse, audition, and map over 432 chord variations and 100 global musical scales directly to your pads—no advanced music theory required. • Timeline Sequencer: Drag and drop your custom chords into the new visual timeline. Program rests, set loop lengths, and let the zero-latency lookahead scheduler play your progressions with perfect tempo synchronization. • Dynamic Performance: 10 customizable Chord Pads featuring intelligent strumming, dual MIDI keyboards, and assignable key ranges with real-time Neon Glow visual feedback. Dual-Layer Synthesis & DSP Effects • True Dual-Layer Rompler: Stack and blend two independent sample oscillators. Fine-tune with octave, semitone, cents, pan, and level controls for massive, evolving textures. • Studio-Grade FX Chain: Shape your tone with multi-mode filters, a parametric EQ, and fully automatable AUv3 effects including Reverb, Delay, Chorus, Flanger, Phaser, Compressor, and Limiter. Massive Sound Library & iCloud Sync • 1,100+ Premium Samples: An expansive built-in soundbank featuring heavy basses, lush synth pads, sharp leads, drum kits, acoustic guitars, and orchestral strings. • Smart Presets: Create unlimited custom patches. Your library is safely backed up with automatic, silent background iCloud Drive synchronization across all your Apple devices. Pro Recording & Export • Lossless Audio & MIDI: Record your live sessions directly within the app and export high-fidelity FLAC, WAV, AIFF, CAF, or M4A audio files, as well as full MIDI sequences. • AudioShare Integration: Instantly route your bounces to your favorite audio editors. • Background Audio: Keep your sequences running and your MIDI controllers active even while switching between apps. Designed for modern producers, beat makers, live performers, and synth enthusiasts, iDousyn brings desktop-class virtual instruments right to your fingertips.

About

MasterBusListen

Features
Read full description

Listen to your DAW session on any device with the VST AU AAX and Standalone plugin ! ***CLIENT ONLY-NEEDS MASTERBUSLISTEN*** Activate Demo Mode by entering the IP 5.1.5.0

Screenshots

iDousyn4 screens
MasterBusListen4 screens

Verdict

The call

The clearest difference is price: MasterBusListen at Free against iDousyn's $9.99. MasterBusListen also leads on in-app purchases (none vs 1) and update cadence (every 2 days vs every 2 months). 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

CostPrice · In-app purchases · Ads · Monetization

MasterBusListen is free to download; iDousyn costs $9.99 up front. iDousyn sells 1 one-off in-app purchase. MasterBusListen asks for nothing beyond the download.

UpkeepUpdate frequency

iDousyn ships an update every 2 months, MasterBusListen every 2 days. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
iDousyn versus MasterBusListen: the parameters behind the verdict, then further details
ParameteriDousynMasterBusListen
Price$9.99Free — better
Rating4.2 (159 ratings) — better—
Positive reviews29.3% of reviews—
Number of ratings159 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.6 — better
Further details — not scored
Size1.2 GB27 MB
Age rating4+4+
DeveloperJorge LozadaMusique&Arcades Inc.

In-app purchases

1 purchases

iDousyn

One-time1
  • Unlock ProFree
None

MasterBusListen

No in-app purchases

Questions

Is iDousyn free?
iDousyn costs $9.99, and also offers in-app purchases.
Is MasterBusListen free?
MasterBusListen is free to download, with no in-app purchases.
Do iDousyn or MasterBusListen have ads?
Neither iDousyn nor MasterBusListen shows ads.
Which is updated more often, iDousyn or MasterBusListen?
iDousyn ships an update every 2 months, and MasterBusListen every 2 days. Most recently, iDousyn was updated on September 26, 2026 and MasterBusListen on September 21, 2026.

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