iDousyn vs Visual Piano
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Dual-layer sampling
- Advanced filters and EQ
- Professional effects chain
- Creative chord pads
- MIDI mastery
- Expansive sound library
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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.
Visual Piano
Learn to play the piano with realistic sound and 3D visuals. Import sheet music and MIDI files, practice with interactive learning modes, and explore a library of classical pieces.
- Realistic concert grand piano in 3D
- Sheet music display and playback
- MIDI file import and playback
- Interactive learning and help functions
- Visualization of piano mechanics
- Includes classical piano pieces
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Features: - Realistic piano sound including dynamic reverb and audio effects - Realistic concert grand piano including mechanics in 3D - Pedals can be activated (sustain, sostenuto, soft pedal) - Illustration of the piano mechanics with dampers and hammers - Display and playback of sheet music (MusicXML) - Importing Midi files and sheet music* - Using a Midi keyboard* - Learning and help functions for piano playing (left/right hand) - Learning mode for sheet music (played notes are checked for correctness) - Includes many classical piano pieces - Visualization of sheet music in 3D * Features included in the Professional Edition (can be unlocked via one-time In-App purchase)
Screenshots
Verdict
The clearest difference is rating: Visual Piano at 4.7 against iDousyn's 4.2. Visual Piano also leads on review sentiment (63% vs 34%) and price ($3.99 vs $6.99). iDousyn's advantage is update cadence (every 2 months vs every 12 months). On ratings volume, ads, in-app purchases and monetization model 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
iDousyn costs $6.99 and Visual Piano $3.99 up front. iDousyn sells 1 one-off in-app purchase and Visual Piano sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Visual Piano holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 161 and 128 respectively. Written reviews point the same way: 34% of iDousyn's written reviews are positive against 63% of Visual Piano's.
iDousyn ships an update every 2 months, Visual Piano every 12 months. Both last shipped on October 24, 2026.
| Parameter | iDousyn | Visual Piano |
|---|---|---|
| Price | $6.99 | $3.99 — better |
| Rating | 4.2 (161 ratings) | 4.7 (128 ratings) — better |
| Positive reviews | 34.1% of reviews | 63.3% of reviews — better |
| Number of ratings | 161 — better | 128 |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 1.2 GB | 271 MB |
| Age rating | 4+ | 4+ |
| Developer | Jorge Lozada | Ronny Weidemann |
Customer experience
iDousyn
Visual Piano
Bugs and requests
iDousyn
Reported bugs
15 issues- App crashes immediately
- Full version displays full-page ads
- Ads appear on the front page
- New update has ads
- Implemented trackers
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- iDousyn Lite works, this one does not
- App does not open
- MIDI input timing issues
- Sound crash sometimes
- Long delay between external MIDI and sound
- Sluggish keyboard
- Sluggish interface
- Glide is always on
- Scrolling menu is hard to use
- Sliders on scrolling menu
Requested features
10 requests- Adaptive Crasher (AUV3, Adaptive Cubasis and Zenbeats)
- AUV3 support
- Audiobus compatibility
- MIDI IN for better keyboard control
- Background audio option
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- Reset button
- Fix sound crash
- Improve interface contrast
- Make panel brighter
- Allow turning off glide
Visual Piano
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iDousyn
- Unlock ProFree
Visual Piano
- Visual Piano Professional$9.99









