AI has quietly crept into every corner of making music. It's not just "a plugin that makes a sound" anymore — you can now get a synth that keeps evolving on its own instead of sitting still until you touch a knob, an API that hands your app a full royalty-free track in seconds, an app that listens to you play guitar through your phone mic and tells you what to fix, and a browser tab where eight people jam together in real time with nobody installing anything. These six tools don't really compete with each other — each solves a different problem for a different kind of musician — so think of this as a toolbox, not a ranking.
WX by Scrap Brain Audio
Who it's for: producers and sound designers who want a generative synth that keeps surprising them with evolving, slightly unpredictable textures instead of a static patch they programmed by hand.
Price: $12, one-time purchase.
Strengths: a very low entry price for a generative synthesis plugin; a procedural wavetable engine with simulated per-voice analog drift so the sound never sits perfectly still; full built-in effects chain (delay, reverb, chorus, bit-crusher, autopan) so you don't need to patch in anything external; tiny system footprint (128MB RAM, under 30MB on disk).
Weaknesses: macOS support isn't there yet — AU/VST3 for Mac is still "in development"; the brand only launched in 2026, so there's no track record or established community yet; it's a niche generative tool rather than an all-purpose synth, and it's up against far more mature, feature-complete competitors like Serum and Pigments.
Jamboree
Who it's for: musicians and hobbyists who want to jam together in real time from different places, no install, no setup — just a link.
Price: free, with no stated monetization model.
Strengths: supports up to 8 people in the same session; runs entirely in the browser with nothing to install; sharing a session is just sending a URL; real-time modular synthesis with oscillator, filter, envelope and LFO components you can tweak together live.
Weaknesses: this is very early software (version 0.1.0); the interface is minimal and documentation is thin; there's no visible way to export or save what you've made; there's no public roadmap or business model, so its long-term future is genuinely unclear.
Mubert API
Who it's for: developers who need to drop royalty-free background music into an app, game, or video tool on demand, without licensing a static track library.
Price: Trial $49/month (100 generations, 100 minutes of streaming); Startup $199/month (5,000 generations); Startup+ $499/month (30,000 generations); Custom pricing above that.
Strengths: music is controllable by text prompt, image, BPM, genre or mood; real-time streaming over WebRTC with sub-second latency; monetization and sub-licensing rights are included in every paid tier, not sold separately; real production partnerships (Picsart, Canva, Restream) back up the claims.
Weaknesses: $49 just to test 100 generations is a steep entry price; music generated directly on mubert.com (as opposed to through the API) is personal-use only; enterprise features like custom voices or stems require a separate negotiation; the license is non-refundable once purchased.
Samplr
Who it's for: producers, DJs and remixers who want both AI-generated samples and stem separation from existing songs in one place, instead of juggling two tools.
Price: free tier with 30 Pro generations/month; Samplr Pro at $8.99/month for unlimited generations and stem separation.
Strengths: combines sample generation and stem splitting in a single tool; the Pro tier is very cheap for unlimited use; separation is built on DEMUCS, a proven, widely-used model; the free tier (30 generations/month) is generous enough to actually test the tool.
Weaknesses: DEMUCS isn't the newest separation model on the market anymore; the pre-generated sample library is limited to a 75–149 BPM range; its GitHub organization exists but is entirely private, so there's little technical transparency; there's no pay-per-use option if you only need it once.
SoundGate
Who it's for: self-taught guitarists who want structured, real-time feedback on their playing without hiring a teacher.
Price: not publicly listed — you'd need to contact the team to find out.
Strengths: real-time feedback on pitch, timing and technique through your phone's microphone; adaptive lessons that change based on how you actually played, not a fixed course; built-in ear training alongside the playing practice.
Weaknesses: there's no public pricing at all, which makes it impossible to judge value before reaching out; it's up against established, well-funded competitors (Yousician, Fender Play) with mature catalogs and communities; it's a recent brand with few independent reviews so far.
vibez
Who it's for: electronic music producers curious about a free, open-source DAW built from scratch in Rust, rather than another proprietary license to pay for.
Price: free and open source, no paid tier.
Strengths: completely free and open source; a dedicated "Perform" mode built for live loop launching; hosts VST3/CLAP plugins so it isn't limited to its own built-in sounds; a real-time audio engine written in Rust.
Weaknesses: it's early alpha software (version 0.1.11); the community is tiny (around 26 GitHub stars at the time of writing); it isn't reliable enough yet for professional, paid work.
Recap: which one, side by side
| Tool | Price | Best for | Standout feature |
|---|---|---|---|
| WX by Scrap Brain Audio | $12 one-time | Sound designers wanting evolving textures | Procedural wavetable engine with simulated analog drift |
| Jamboree | Free | Real-time jamming with friends remotely | Up to 8-person live sessions in the browser, no install |
| Mubert API | From $49/mo (API) | Developers embedding music in apps/games | Prompt/mood/BPM-controlled generation with licensing included |
| Samplr | Free / $8.99/mo Pro | Producers wanting samples + stem splitting | AI sample generation and DEMUCS stem separation in one tool |
| SoundGate | Not public | Self-taught guitarists wanting real feedback | Live pitch/timing/technique feedback via phone mic |
| vibez | Free, open source | Producers wanting a free Rust-based DAW | Live "Perform" mode + VST3/CLAP plugin hosting |
Which of these is worth your time depends entirely on what you're actually trying to do. If you write and produce tracks and want a full, free DAW with no subscription attached, vibez is the one to watch — with the caveat that it's still alpha software. If you want a cheap, surprising sound source to sit inside a DAW you already own, WX by Scrap Brain Audio is a $12 experiment worth trying. Developers shipping apps or games that need background music on demand should look at Mubert API first, since it's the only one built specifically for that use case with licensing handled. Remixers and DJs get the most direct utility from Samplr, and anyone learning guitar solo should weigh SoundGate against Yousician once pricing is available. And if you just want to jam with friends for free, right now, Jamboree is the fastest way into a session — just don't expect to save what you make yet.