GrainProc vs NoiseFace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GrainProc
Create unique sounds and musical textures in real-time by processing external audio. This app features two parallel granular engines for layering sounds, offering a versatile tool for musicians and sound designers.
- Real-time granular synthesis
- Two parallel grain engines
- AudioBus input support
- Waveform sound source manipulation
- Control over volume, feedback, and density
- Visual level monitoring
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GrainProc is a real-time granular synthesizer with which you can create new sounds and musical textures by affecting your voice, your instrument, or any input from AudioBus. 2 grain engines run in parallel, allowing you to layer two sounds and create rich textures, even as a solo performer! Features: • 2 Granular synthesizers running in parallel • Waveform representation of the sound allowing you to touch where you want the sound source to be • Sliders to control dry volume, wet volume, feedback level, and grain density • Visual level monitors of the dry, wet and feedback levels • Simple enough to be used with your feet! We discourage using your device with your feet, though it has been used that way for public performances!
NoiseFace
Discover, mix, and visualize various noise colors with an adorable animated character. Adjust individual noise levels, save custom mixes, and enjoy a unique visual representation of sound. Perfect for focus, sleep, and relaxation.
- 12 Noise Colors
- Visual Waveforms
- Individual Control
- Save Presets
- Adorable Character
- Drag to Delete Presets
- Modulation Mode
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Meet NoiseFace - the cutest way to discover, mix, and visualize noise! NoiseFace brings noise generation to life with an adorable animated character whose mouth moves to show you exactly what each noise sounds like. Watch as different waveforms dance across the screen while you create your perfect sound environment. KEY FEATURES: 12 Noise Colors Mix and match from white, pink, brown, blue, violet, gray, black, green, orange, yellow, turquoise, and red noise - each with its own unique sound character and visual waveform. Visual Waveforms See your sounds! The character's expressive mouth displays real-time animated waveforms so you can actually see the difference between each noise type. Individual Control Adjust the brightness (filter frequency) of each noise independently, or control them all together. Fine-tune your perfect sound mix. Save Presets Found the perfect combination? Save it as a preset! Store up to 12 different mixes and switch between them instantly. Adorable Character Your noise companion blinks, shows emotions, and even falls asleep after extended play sessions. Tap the face to clear sounds or toggle between your presets. Drag to Delete Long-press any preset to drag it to the trash. Simple, intuitive preset management. Universal App Beautifully designed for both iPhone and iPad with optimized layouts for each device. Modulate Hold the small white button above the slider and activate modulation mode where the slider moves on its own and controls all sounds. PERFECT FOR: • Focus and concentration • Sleep and relaxation • Meditation • Blocking distractions • Studying • Creative work • Sound therapy • Tinnitus relief Each noise color has unique properties: - White Noise: Equal intensity across all frequencies - Pink Noise: Balanced, natural sound (rain-like) - Brown Noise: Deep, rumbling bass tones - Blue Noise: Higher frequencies, crisp and bright - Violet Noise: Even higher frequencies - Gray Noise: Psychoacoustically flat - And more specialty colors for every preference! Download NoiseFace today and discover your perfect sound mix with the cutest noise generator ever created!
Screenshots
Verdict
The clearest difference is rating: NoiseFace at 4.6 against GrainProc's 4.2. NoiseFace also leads on review sentiment (83% vs 60%). GrainProc's advantage is price ($2.99 vs $4.99). 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
GrainProc costs $2.99 and NoiseFace $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
NoiseFace holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 18 and 9 respectively. Written reviews point the same way: 60% of GrainProc's written reviews are positive against 83% of NoiseFace's.
| Parameter | GrainProc | NoiseFace |
|---|---|---|
| Price | $2.99 — better | $4.99 |
| Rating | 4.2 (18 ratings) | 4.6 (9 ratings) — better |
| Positive reviews | 60.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 18 — better | 9 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Mayank Sanganeria | Johanna Quiceno |
Customer experience
GrainProc
NoiseFace
In-app purchases
GrainProc
No in-app purchases
NoiseFace
No in-app purchases









