Music Visualizer vs Fluid Sonata
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Music Visualizer
Transform any audio into a dynamic music video with beat-synced visuals and customizable lyrics. You can also generate original songs from text descriptions and instantly visualize them.
- Create music videos from imported audio
- Beat-reactive visual styles
- Synced lyric display and editing
- AI-generated original songs
- Multiple export formats
- Cross-device project syncing
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Turn any song into a music video that moves to every beat. Import your track, pick a visual style, add synced lyrics, and export a video that's ready to share. No song yet? Describe an idea and Tunely's AI creates an original song for you, then turns it into a video too. MAKE A MUSIC VIDEO FROM YOUR AUDIO • Import songs, beats, demos, and voice recordings • Choose from beat-reactive visual styles like Neon Terrain, Spectrum City, Aurora Ribbon, and Star Forge • Visuals respond to the bass, the beat, and the shape of your song as it plays • Lyrics are detected from your track and synced to the music, and you can edit any line • Add your song title and artist name • Export square, widescreen, or vertical videos for any feed, channel, or story CREATE ORIGINAL SONGS WITH AI • Describe any idea, like "a country song about my dog" or "a birthday song for my wife" • Or start from a theme: love, birthday, party, breakup, confidence, diss track, and more • Write your own lyrics, or let AI write them for you • Every new song is ready to visualize the moment it's done ON IPHONE, IPAD, AND MAC Your projects stay in your library, so you can come back, try a new style, and export again anytime. FREE AND PREMIUM Create and export videos for free in 720p with a small Tunely watermark. Tunely Plus adds AI song creation, watermark-free HD export, and lyrics in your exported videos. Tunely Pro adds 4K export and more AI songs each month. SUBSCRIPTION INFORMATION Tunely subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Payment will be charged to your Apple ID account at confirmation of purchase. Manage or cancel your subscription anytime in Settings > Apple ID > Subscriptions. Terms of Use: https://tunely.com/terms Privacy Policy: https://tunely.com/privacy
Fluid Sonata
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A fluid simulation and a classical performance, both generated live on your phone, wired to the same clock. There are no audio files in this app and no video. A piano is synthesized from scratch every time you press play — a fundamental plus four slightly sharp partials, a hammer thud on the attack, a small hall around it — and every note it plays is thrown into a real Navier-Stokes fluid solver running on the GPU. The left hand punches jets up from the floor. The right hand lands at an x position taken from its own pitch, so the melody plays the screen like a keyboard. Behind it all, a ten-body Newtonian integrator runs the actual solar system, on a real date. TEN SCORES, FOURTEEN READINGS Seven pieces from the public-domain canon — Bach's Prelude in C, Mozart's Rondo alla Turca, Beethoven's Für Elise, Ode to Joy and the Moonlight Presto, Tchaikovsky's Trepak, Grieg's In the Hall of the Mountain King — plus three originals written for this app. Every score plays fourteen ways: piano recital, cathedral organ, strings, music box, jazz trio, electric guitar, synth, 8-bit, 16-bit, drums, deep bass, disco, techno and an EDM remix. Every instrument is synthesized from scratch — there is not one audio file in this app. LISTEN TO THE ROOM Turn on Listen Mode and the fluid dances to whatever is playing near you — another app, a speaker, someone at a piano. The microphone reaches the analyser and nothing else: nothing is recorded, stored or sent, and turning it off releases the microphone. TWO WAYS TO DRIVE IT ORBITAL Click puts everything on a circular touch surface — a thumb travelling around the ring moves the selection, with real detents you can feel and acceleration when you spin. Fluid Classic is a conventional dock and player. Pick either in Settings; everything is reachable from both. STATIONS Three stations of music that is genuinely free to play, streamed from the Internet Archive: classical sides digitised by the Great 78 Project, and recordings Musopen commissioned and released for anyone to use. Every track earns its place by a rule that is checked when the list is built, not assumed. PLAY YOUR OWN MUSIC Hand it any song on your device and the fluid dances to that instead. A live spectrum analysis drives the same choreography the written scores use. The file is decoded on your phone and never uploaded — the app has nowhere to send it. RECORD THE STAGE Capture the fluid, the orrery and the music together, then save the clip to Files or Photos or send it straight on. PRIVATE BY ARCHITECTURE, NOT BY POLICY No account. No analytics. No third-party SDKs. No tracking. Nothing you do here is collected. The app asks for one permission — the microphone, and only if you turn on Listen Mode. The whole engine ships inside the app, and the scores, your own songs and the simulation all run with the network switched off. Three things do reach out, and the app tells you which: a once-a-day check with Apple for a newer version, carrying nothing but the app's own identifier; StoreKit, to price the Full Concert; and — only when you choose a Station — the recording you asked for. FREE FOREVER, AND A ONE-TIME UNLOCK Moonlight · Presto, Für Elise, the Classical reading and the EDM remix are free forever, with no time limit and no ads. The Full Concert unlocks the remaining scores and readings with a single purchase — no subscription, and it is shared with your family. Also on iPad. Made by djEnterprises.
Screenshots
Verdict
The clearest difference is iOS requirement: Fluid Sonata at 17.0 against Music Visualizer's 26.4. On price, ads, in-app purchases 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
Both are free to download. Music Visualizer sells 8 in-app purchases, starting at $4.99 per month and Fluid Sonata sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Music Visualizer | Fluid Sonata |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (17 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 17 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 26.4 | 17.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | William Richards | Daniel Ehrlich |
In-app purchases
Music Visualizer
- Tunely Supporter Monthly$4.991 Month
- Tunely Plus7 Days trial$14.991 Month
- Tunely Pro7 Days trial$24.991 Month
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- Tunely Supporter Yearly$39.991 Year
- Plus Yearly7 Days trial$149.991 Year
- Pro Yearly7 Days trial$249.991 Year
- 20 Custom Songs$8.99
- 50 Custom Songs$19.99
Fluid Sonata
- The Full Concert$4.99
Questions
Is Music Visualizer free?
Is Fluid Sonata free?
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