Comparison

RhythMic vs SoundViz

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

Head to head
About

RhythMic

Transform your device into a real-time music visualizer that reacts to ambient sound. Choose from over 30 themes, sync with multiple devices, and even use your Apple Watch as part of the light show. Perfect for parties, content creation, or enhancing your listening experience.

Highlights
  • Real-time music visualization
  • 30+ premium visual themes
  • Multi-phone Wi-Fi sync
  • Apple Watch sync
  • Beat-synced flashlight strobe
  • Live Activity on Lock Screen
  • Screen recording mode
Features
Read full description

MAKE THE ROOM MOVE WITH THE MUSIC RhythMic turns nearby sound into a full-screen light show. Pick a color, animated pattern, or occasion theme, then watch every beat reshape the screen in real time. NEW: HALLOWEEN NIGHT Glowing jack-o'-lanterns, bats, ghosts, and a full moon react to every beat — perfect for Halloween parties. Premium is a one-time lifetime purchase with Family Sharing. ADAPTIVE SOUND ENGINE RhythMic listens through your microphone and continuously adapts to the room. Recalibrate at any time, adjust sensitivity manually, or let Adaptive Mic Sensitivity keep the response balanced as the music changes. BASS, VOCALS, AND TREBLE Real-time frequency analysis separates low, mid, and high energy. Bass can drive powerful pulses, vocals can animate the center of the scene, and treble can add detail and sparkle. You can also tune Bass Response in Settings. 50 MUSIC-REACTIVE VISUALS Explore solid and dual colors, flowing gradients, glowing ripples, particles, waveforms, equalizer shapes, tri-band visuals, and celebration scenes for birthdays, weddings, graduation, New Year, Ramadan, Eid, and more. LIVE PERFORMANCE Build a scene timeline, choose manual or timed transitions, set each scene's intensity, reorder the running show, and control the result from one dedicated performance workspace. SYNC THE ROOM Host a secure multi-phone party over local Wi-Fi so nearby iPhones follow the same colors. Extend the show to Apple Watch, the flashlight strobe, Live Activities, and a connected external display when supported. CREATOR RECORDER Record the screen alone or combine it with the front camera, back camera, or both cameras at once on supported devices. Choose microphone audio, trim the result, frame it for 9:16, 1:1, or 16:9, and export a ready-to-share video. DESIGNED FOR THE MOMENT • Automatic mode keeps visuals moving without music • Double-tap the on-screen label to leave a show • Triple-tap to reveal the sensitivity control • Optional haptic beat feedback • Inverted visuals and safety controls • English, Arabic, Spanish, Hindi, Simplified Chinese, French, German, Italian, and Portuguese PREMIUM, ONCE Unlock every premium visual and creator feature with one lifetime purchase. No subscription. RhythMic is made for parties, DJs, celebrations, content creators, and anyone who wants to turn sound into light.

About

SoundViz

Features
Read full description

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

RhythMic4 screens
SoundViz4 screens

Verdict

The call

The clearest difference is in-app purchases: SoundViz at none against RhythMic's 2. SoundViz also leads on update cadence (every 3 weeks vs every 2 months). RhythMic's advantage is ads (none vs shown) and device support (4 vs 2). On price 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

Both are free to download. RhythMic sells 2 one-off in-app purchases. SoundViz asks for nothing beyond the download.

UpkeepUpdate frequency

RhythMic ships an update every 2 months, SoundViz every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 4 level
RhythMic versus SoundViz: the parameters behind the verdict, then further details
ParameterRhythMicSoundViz
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size15 MB8 MB
Age rating4+4+
DeveloperMohammad sulaimanMIZOU, CO., LTD.

In-app purchases

2 purchases

RhythMic

One-time2
  • RhythMic Premium$3.99
  • RhythMic Premium 2$7.99
None

SoundViz

No in-app purchases

Questions

Is RhythMic free?
RhythMic is free to download, with in-app purchases available.
Is SoundViz free?
SoundViz is free to download, with no in-app purchases.
Do RhythMic or SoundViz have ads?
SoundViz shows ads; RhythMic does not.
Which is updated more often, RhythMic or SoundViz?
RhythMic ships an update every 2 months, and SoundViz every 3 weeks. Most recently, RhythMic was updated on November 3, 2026 and SoundViz on November 5, 2026.

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