capfuse: Mashup & Remix Maker
Stem Splitter: Auto BPM & Key
About
Create mashups and remixes by combining vocals from one song with the instrumental of another. The app automatically separates stems, detects key and BPM, and aligns phrases for a seamless starting point. Edit and arrange your mashup bar by bar to make it your own.
What's New in capfuse
3.7.0
November 4, 2026
Introducing the new Basic plan. - Register up to 50 assets and 10 projects - Use library volume correction - Export from your library without limits Try Basic free for the first week. You can also switch between Basic and Premium. capfuse is a mashup and remix maker for iPhone and iPad. Every track you import is split into stems — vocals, drums, bass and other — with the key, BPM and song sections detected automatically.
MoreSubscriptions & In-App Purchases
Premium
Unlimited assets & projects, plus stem export
Developer apps
FAQ
How does capfuse separate songs into stems?
capfuse uses AI models to automatically split imported tracks into four stems: vocals, drums, bass, and other. This process is free and happens upon import, allowing you to easily isolate or remove vocals and instrumental parts.
Does capfuse help with harmonically compatible songs?
Yes, after you select a beat song, capfuse suggests other songs from your library that are harmonically compatible. It prioritizes the most compatible options, eliminating the need for music theory knowledge or guesswork.
Can I export my creations from capfuse?
You can export your mashups as audio files. Premium users also have the option to export individual stems, a karaoke track, or an acapella version of the isolated vocal.
What devices does capfuse support?
capfuse is available for iPhone and iPad, making it accessible for users on Apple's mobile and tablet platforms.
What is the age rating for capfuse?
capfuse has an age rating of 4+, indicating it is suitable for users of all ages.
How often is capfuse updated?
The latest version of capfuse is 3.7.0, and it was last updated on November 4, 2026. This suggests a relatively active development cycle.
What are the subscription options for capfuse?
capfuse offers a Basic subscription for $1.99 per month with a 7-day free trial, and a Premium subscription for $3.99 per month. These plans unlock additional features like stem and acapella exports.
Does capfuse have ads?
No, capfuse does not contain advertisements. The app is free to download and use, with optional in-app purchases for premium features.
