Voice Shadow vs SoundViz
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Voice Shadow
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γVoice ShadowοΌNot just a vocal training tool, but your personal voice aesthetics coachγ "If you can't see the shape of your voice, how can you sculpt it with precision?" Breaking the dilemma of blind vocal practice, Voice Shadow seamlessly blends cutting-edge acoustic analysis from professional recording studios with breathtaking cinematic anime aesthetics. Whether you are a singer striving for perfection, a speaker focused on expression, or a beginner passionate about vocal arts, we have prepared a visualized journey of vocal evolution just for you. Why Voice Shadow accelerates your progress: [Pioneering] All-New 3D Acoustic Manifold (PRO) We've brought 3D acoustic dimensionality reduction algorithmsβonce confined to labsβright into your pocket. Now, you can appreciate millisecond-level slices of your voice from four perspectives: Orbit, Front, Top, and Flow. Vocal Breakdowns: In the 3D manifold, the shift and breakthrough points of resonance are clearly visible. Intuitively sense the trajectory of chest-to-head voice transitions, rather than relying on abstract muscle memory. [Visualizing Details] Dynamic Waveforms & Breathtaking Particle Spectrograms Let every breath of your voice bloom beautifully on the screen. The high-precision real-time dynamic waveforms, coupled with the dancing Hz (Pitch) and dB (Loudness), accurately feedback your breath support and vocal energy. Is your output steady, or are there subtle fluctuations? You'll know at a glance. [Precise Review] Exclusive "Shadow Playback" System A correction experience you'll actually enjoy. Visual Chasing: Let the trajectory of your original voice gently embrace the golden standard reference line, finding perfect pitch in the intertwining of seeing and hearing. Zoom & Scrub: Simply pinch to magnify the waveform. Pause and rewind at will to easily capture every flaw in your runs and vibratos. [Professional Empowerment] 12 Master-Level Acoustic Metrics Enjoy the peace of mind brought by a million-dollar acoustic analyzer anytime. Capture the secret codes deep within your voice: Is your tone clear and bright? Check HNR (Harmonics-to-Noise Ratio) and Formants. Is your phonation steady and relaxed? Measure Jitter (Frequency Instability) and Shimmer (Amplitude Instability). [Immersive Experience] Gamified Vocal Dojo Turn basic training into a profound flow experience. 5 scenario-based training modules accompany you step by step: Swan: Tranquil waters. Cultivate pure sustained tones and calm control. Tiger: Majestic momentum. Awaken deep core support and explosive power. Dragon: Flowing clouds and water. Master the ultimate legato of breath movement. Eagle: Soaring the skies. Develop precise muscle memory and a sense of pitch. Phoenix: Rebirth from ashes. Safely and confidently expand your broad vocal range. This is your precious voice. It deserves to be seen clearly. Download Voice Shadow now and embark on your exclusive journey of vocal transformation. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SoundViz
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SoundViz transforms the sounds around you into stunning real-time visual art. Whether it's your voice, music, or ambient noise, watch it come alive through 7 unique visualization modes. VISUALIZE YOUR WORLD Use your microphone to capture any sound and instantly see it rendered as beautiful, dynamic visuals. Every whisper, every beat, every note becomes a work of art. 7 VISUAL MODES - Waveform: Classic oscilloscope-style sound waves - Spectrum: Colorful frequency analyzer bars - Circular: Mesmerizing polar coordinate patterns - Particles: Explosive particle effects driven by sound - Kaleidoscope: Symmetrical, ever-changing patterns - Water: Ripple effects emanating from the center - Firework: Sound-reactive firework bursts SENSITIVITY MODES Choose from 4 sensitivity presets to match any environment: - ASMR: Perfect for whispers and subtle sounds - Quiet: Ideal for calm, indoor spaces - Normal: Great for conversation and everyday use - Live: Built for loud music and concerts CUSTOMIZE YOUR EXPERIENCE - 5 built-in color themes: Rainbow, Fire, Ocean, Forest, Neon - Custom color picker to create your own unique palette - Screenshot capture to save your favorite visuals - Clean, distraction-free interface with tap-to-hide controls SoundViz is perfect for music lovers, ASMR enthusiasts, content creators, educators, and anyone who wants to see the beauty hidden in everyday sounds.
Screenshots
Verdict
The clearest difference is in-app purchases: SoundViz at none against Voice Shadow's 3. Voice Shadow's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Voice Shadow sells 3 in-app purchases, starting at $3.99 per month. SoundViz asks for nothing beyond the download.
Voice Shadow ships an update every 2 weeks, SoundViz every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Voice Shadow | SoundViz |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks β better | Every 3 weeks |
| Ads | No β better | Yes |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 13.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 98 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | ε¬ ι | MIZOU, CO., LTD. |
In-app purchases
Voice Shadow
- PRO Monthly$3.991 Month
- PRO Yearly$29.991 Year
- Lifetime Access$49.99
SoundViz
No in-app purchases









