Ferromagnetic vs Bounce
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ferromagnetic
Transform music into real-time visual art with dynamic audio-reactive effects. Enhance personal listening, create ambiance for gatherings, or perform live with captivating visuals that sync to every beat. Offers thousands of unique visual combinations for a fresh experience with every song.
- Real-time audio-reactive visuals
- Multi-band frequency analysis
- Automatic beat detection
- Metal-powered rendering engine
- Multi-layer compositing system
- Customizable visual parameters
- Thousands of unique visual combinations
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Ferromagnetic: Music Visualizer & VJ App for iPhone, iPad, and Mac Ferromagnetic turns Spotify, SoundCloud, YouTube, and any other sound into stunning real-time visuals. It's a professional audio visualizer for everyone, from home listening and house parties to DJ sets, live shows, and VJ performances. FM Visualizer: Effortless Background Visuals Start a System Broadcast and Ferromagnetic follows the audio of Spotify, SoundCloud, YouTube, and most other apps on your device. Or use the microphone to visualize anything around you, from a DJ set to a live band. The 12-band frequency analysis and tunable beat detection catch every beat and note, and a GPU-accelerated Metal engine renders it all in multiple layers. Pick a Vibe like Calm, Energetic, Trippy, or Retro to set the mood in one tap. Or let Ferromagnetic take the wheel and build new scenes on its own from over 1,000 combinations. Set how fast the scenes change and choose from ten transition styles, including Morph, Zoom, and Color Distance. Choose from over 20 audio-reactive effects: the signature Ferrofluid and Electromagnetic fields, plus Starfield, Petals, Laser, Glitter, Cloud, Refractions, and more. Build your own scene from three effect layers and particles, each with its own blend mode, and tune every layer to the bass or the highs. Particles burst and flow with the sound, and glitch and shake hit harder as the volume rises. Transform the image with Kaleidoscope, Droste Spiral, Voronoi Mirror, or Tunnel, then shape the look with pixelation, dithering, blur, and color palettes like Vivid, Warm, or Triadic. Show your own logo text on screen, perfect for cafes, bars, and venues. Mirror the visuals to a TV or projector with AirPlay or a cable, and the screen stays awake for as long as the music plays. Visuals render at up to 60 fps. FM Producer: Live Visual Performance On iPad, FM Producer turns Ferromagnetic into a VJ app for live shows. The dual-deck interface works like a DJ controller: prepare the next scene on one deck, then crossfade it in. Add the iPad camera or NDI® sources as live layers, and send your visuals to OBS, Resolume, and other apps with NDI output. Connect a MIDI controller or keyboard, map any control with MIDI Learn, and trigger effects and scenes without touching the screen. FM Producer also unlocks the complete Mac app, with video, image, and 3D model layers, presets, and video recording. Try It Free Download Ferromagnetic for free, then unlock only what you need with an affordable subscription or a one-time purchase. One purchase works on iPhone, iPad, and Mac. Already on FM Visualizer? Your purchase counts toward FM Producer. NDI® is a registered trademark of Vizrt NDI AB. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Bounce
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Set your iPhone or iPad next to the speaker and it listens through the microphone. Prop it on a shelf, a desk, or a nightstand. It stays awake while the music plays and lets the screen sleep when it stops. EIGHT WAYS TO VISUALIZE YOUR MUSIC • LED Matrix: a rainbow spectrum analyzer, glowing segments and floating peaks that fall with gravity • Pulsar: stacked waveform ridges • VU Meter: an analog needle on a faceplate • Classic LED: the classic grid with green, yellow, and red peaks • Topographic: a 3D wireframe of frequency, time, and level with a cyan glow • Spectrogram: frequency over time, scrolling across the screen • Terrain: a moving landscape as a lit, colored surface • Smooth Bars: continuous bars with peak indicators MONO OR STEREO Spread to split the screen into left and right channels. Pinch to bring them back together. SIMPLE CONTROLS Double-tap for the mode picker, swipe to change visualizations, drag up or down for sensitivity. Press ? to see them all. BUILT FOR THE SCREEN Rendered with Metal at up to 120 frames per second, on a pure black background, on every display size. UNIVERSAL PURCHASE Buy it once and unlock it for iPhone, iPad, and Mac. PRIVATE Bounce listens and draws. That is all. The audio is never recorded, stored, or sent anywhere. No account, no ads, no tracking, no subscription, no in-app purchases. One purchase and it's yours. Requires iOS or iPadOS 17 or later. Privacy Policy: https://dgrlabs.co/privacy.html
Screenshots
Verdict
The clearest difference is price: Ferromagnetic at Free against Bounce's $2.99. Bounce's advantage is in-app purchases (none vs 6). On ads, device support and iOS requirement 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
Ferromagnetic is free to download; Bounce costs $2.99 up front. Ferromagnetic sells 6 in-app purchases, starting at $2.49 per month. Bounce asks for nothing beyond the download.
| Parameter | Ferromagnetic | Bounce |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.1 (26 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Eke | DGR Labs |
Bugs and requests
Ferromagnetic
Reported bugs
14 issues- Song titles don’t update
- Custom image wasn’t saving in presets (reported fixed)
- Logo makes imported images blurry
- App crashes on launch
- Poorly implemented controls (MacOS)
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- Does not work with Apple Music for some users
- Does not sync with music for some users
- Repeating visualizer scenes
- Shoddy integration with Streamlabs
- Does not work with microphone for some users
- Visuals are seemingly random and endless
- App asks to update when there's no update
- Crashes every time audio input is changed after update
- Recurring shapes pop up every few seconds
Requested features
20 requests- Add a 'go back' button for controls
- Add Airplay mirroring or tvOS app
- More options in visualizer types
- Configurable presets for cycling settings
- Ability to stream to TV without a cable
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- Apple TV app development
- More shaders and 4k-8k resolution options
- More options to customize and create own shaders
- More style options (e.g., retro equalizer, symmetric bars)
- Ability to navigate a catalog or favorite visuals
- Rotation feature for effects
- Output to a file without screen capture
- Choose output frame rate and size
- Get rid of or manipulate recurring shapes
- Remove Source/editor column from viewer window
- Option to load songs directly from user's library
- Transparency option for windows
- More customization options
- Effects inspired by Apple's classic visualizer
- Bug fix for audio input crashes
Bounce
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Ferromagnetic
- FM Visualizer7 Days trial$2.491 Month
- FM Producer3 Days trial$3.991 Month
- A generous tip$0.99
- FM Visualizer One-TIme$14.99
- FM Producer Upgrade$29.99
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- FM Producer One-Time$49.99
Bounce
No in-app purchases








