capfuse vs TechnoBuddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
capfuse
Easily create song mashups and remixes by splitting tracks into vocals, drums, and bass. Automatically detects key and BPM, suggesting harmonically compatible songs from your library. Ideal for aspiring DJs and music enthusiasts.
- AI stem separation (vocals, drums, bass, other)
- Automatic key and BPM detection
- Harmonically compatible track suggestions
- Automatic beatmatching and tempo syncing
- Vocal remover and acapella isolation
- Built-in library for saved mashups
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Make a mashup in 30 minutes — even if you have never DJed. capfuse is a mashup and remix maker for iPhone and iPad. Import a track and it splits into vocals, drums, bass and other, detects the key and BPM, and shows you which songs in your library fit with it. You decide which phrase goes where — capfuse makes sure it lands on the beat. WHAT YOU CAN DO - Make a mashup of two songs on your iPhone - Remove the vocal from a track and play the instrumental inside the app - Play a song without its vocal, karaoke-style, inside the app - Isolate a vocal — an acapella — and lift it onto a different song - Find the key and BPM of any track in your library - See which of your songs are harmonically compatible - Build a remix out of records you already own AI STEM SEPARATION, FREE AND AUTOMATIC Every track you import is split into four stems — vocals, drums, bass and other — by an AI model running on import. Nothing to switch on, and no paywall in front of it. It doubles as a vocal remover and a stem splitter: mute the vocal and keep the backing, or solo the vocal on its own, and play the result inside the app. Guitars, piano and strings are grouped into "other". capfuse separates four parts, not every instrument. AUTOMATIC KEY AND BPM DETECTION Import from your music library or from Files. Every track is analyzed and tagged with its key and tempo. Video files such as mp4 work too — the audio is extracted automatically. COMPATIBLE TRACK SUGGESTIONS Pick a base track and capfuse lists the songs in your library that are harmonically compatible with it. No Camelot wheel, no music theory, no guesswork. Choose from what already works. AUTOMATIC BEATMATCHING Tempos are synced for you and phrases land on the downbeat. Blending two songs normally means matching keys by ear and nudging tempos until they lock. capfuse does that part. IT IS NOT AN AUTO-MIXER capfuse will not pick two songs and blend them on its own. Which phrase from which track goes where is your call — that is the part worth doing. What it takes away is the tedious part: tempo, alignment, key and BPM. BUILT-IN LIBRARY Finished mashups are mixed down and saved to your library. They play back like any music app, with background playback and lock screen controls. FREE TO START Import tracks, split stems, detect keys and build mashups for free. Premium removes the limits on how many source tracks you can register and how many mashups you can create. GOOD TO KNOW Separated stems and finished mashups play inside capfuse. There is no audio export, so they cannot be saved out as files. Made for anyone who has ever heard two songs and thought "those would go together.
TechnoBuddy
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Ever been on the dancefloor wondering what BPM the DJ is playing? Or how loud it actually is? TechnoBuddy gives you the answer — just open the app and hold up your phone. LIVE BPM DETECTION See the tempo of whatever is playing, updated in real time. Switch between genre presets — Techno, House, Drum & Bass, and Ambient — each tuned to the right BPM range. Or tap along manually with tap tempo. FREQUENCY SPECTRUM Watch the music come alive as a real-time frequency visualization. See the bass, mids, and highs broken down across the spectrum. Adjust smoothing to get the look you want. SOUND LEVEL METER Check the decibel level around you with clear zone indicators — Quiet, Moderate, Loud, and Danger. Know when to grab earplugs. BOOTH MODE Switch to a deep-red color scheme that won't ruin your night vision. Perfect for dark clubs and outdoor raves. MADE FOR THE DANCEFLOOR • Retro CRT-style interface with phosphor glow and scanlines • Works in portrait and landscape • No internet required — everything runs on-device • No ads, no tracking, no data collection • Haptic beat pulse — feel the tempo without looking at your phone Whether you're deep in a warehouse set or vibing at a festival — TechnoBuddy is your pocket music nerd.
Screenshots
Verdict
The clearest difference is in-app purchases: TechnoBuddy at none against capfuse's 1. On price, 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
Both are free to download. capfuse sells 1 in-app purchase, starting at $1.99 per month. TechnoBuddy asks for nothing beyond the download.
| Parameter | capfuse | TechnoBuddy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroaki Iwai | Olof Petterson |
In-app purchases
capfuse
- premium$1.991 Month
TechnoBuddy
No in-app purchases









