Comparison

Spindrop vs capfuse

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spindrop

This app creates seamless, beat-matched music transitions for parties, workouts, or events. It uses generative AI to mix songs, eliminating pauses and dead air for a continuous listening experience.

Highlights
  • Generative AI mixing
  • Beat-matched transitions
  • Multiple mix modes
  • Variety of effects
  • Seamless song mixing
  • High-fidelity audio
Features
Read full description

Pick your favorite music genre and artists; then just sit back and enjoy perfect beat-matched transitions, across a variety of different mix modes and effects. No more pauses or dead air during your party, workout, or wedding. Using our patented beat-match technology, Spindrop seamlessly transitions between songs. As one song ends, Spindrop automatically mixes to the next. Or just enable AI-Mix mode and Spindrop will seamlessly generate beat-matched transitions at your fingertips. We've used Spindrop for weddings, dances, formals, bars, live shows, and personal workouts. You'll find that Spindrop renders high-fidelity and great-sounding mixes that sound better than many live professional DJs. Spindrop: Generative AI Mixing. The Beats Are Hot. Terms of use: https://spindrop.com/terms.html Privacy policy: https://spindrop.com/privacy.html

About

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.

Highlights
  • 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
Features
Read full description

Make a mashup in 30 minutes — even if you have never DJed. capfuse is a mashup and remix maker for iPhone and iPad. Pick one song for the beat and one for the vocal. capfuse splits both into stems, detects the key, BPM and phrases, and lays the vocal over the matching phrases of the beat — chorus on chorus, verse on verse. You start from a mashup that already plays, then make it yours. WHAT YOU CAN DO - Make a mashup of two songs on your iPhone - Put the vocal of one song over the beat of another - Remove the vocal from a track and keep the instrumental - Isolate a vocal — an acapella — and lift it onto a different song - Export your mashups as audio files - Export stems, or a karaoke track and an acapella (Premium) - Find the key, BPM and structure (verse, chorus, bridge) of any track - See which of your songs are harmonically compatible - Cut and insert phrases bar by bar - Start right away with built-in demo songs PICK A BEAT AND A VOCAL Choose one track for the beat and one for the vocal. Each pick starts a preview from the chorus: the beat plays without its vocal, the vocal plays on its own, and once both are set you hear them together. Create the project and the vocal is placed onto the matching phrases of the beat. It is a starting point, not a finished mix — what happens next is up to you. AI STEM SEPARATION, FREE AND AUTOMATIC Every track you import is split into four stems — vocals, drums, bass and other — by AI models 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. Guitars, piano and strings are grouped into "other". capfuse separates four parts, not every instrument. AUTOMATIC KEY, BPM AND PHRASE DETECTION Import from your music library or from Files. Every track is analyzed for key and tempo, and divided into phrases: verse, pre-chorus, chorus, bridge and interlude. Video files such as mp4 work too — the audio is extracted automatically. COMPATIBLE TRACK SUGGESTIONS Once one side is chosen, capfuse lists the songs in your library that fit with it, most compatible first. 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. EDIT ON THE BEAT Select a beat, cut bars before or after it, and the rest closes up. Insert a phrase and it is fitted to the project's tempo — from the beat song you get the backing, from the vocal song just the vocal. Add more tracks and stack a third song on top. WHAT CAPFUSE DOES, AND WHAT YOU DO capfuse handles the tedious part: stems, key and BPM, phrases, tempo and alignment, and a first arrangement to start from. Which phrase to cut, what to bring in and where the mashup goes from there is your call. That is the part worth doing. DEMO SONGS INCLUDED The first launch walks you through a mashup made from demo songs, before you import anything. Demo songs and projects do not count toward the free limits. LIBRARY AND EXPORT Finished mashups are saved to your library, with background playback and lock screen controls. Export one as an m4a file to Files, AirDrop or another music app. STEM EXPORT (PREMIUM) Export the stems of your own tracks: four files (vocals, drums, bass, other), or two (vocals and instrumental) for a karaoke track or an acapella. Turn on "Split by phrase" to get one numbered, labeled file per phrase, ready for your DAW. Use only audio you own or have permission to use. FREE TO START Import, split stems, build mashups and export 3 of them for free. Premium removes the limits on source tracks and mashups, makes exports unlimited and adds stem export. Made for anyone who has ever heard two songs and thought "those would go together.

Screenshots

Spindrop3 screens
capfuse4 screens

Verdict

The call

The clearest difference is rating: capfuse at 5.0 against Spindrop's 4.5. capfuse also leads on ads (none vs shown) and update cadence (every 6 days vs fortnightly). Spindrop's advantage is ratings volume (434 vs 2) and iOS requirement (14.1 vs 26.0). On price, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spindrop sells 7 in-app purchases, starting at $0.99 per 7 days and capfuse sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

capfuse holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Spindrop has 434 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Spindrop ships an update fortnightly, capfuse every 6 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
Spindrop versus capfuse: the parameters behind the verdict, then further details
ParameterSpindropcapfuse
PriceFreeFree
Rating4.5 (434 ratings)5.0 (2 ratings) — better
Positive reviews46.2% of reviews—
Number of ratings434 — better2
Update frequencyFortnightlyEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.1 — better26.0
Further details — not scored
Size70 MB22 MB
Age rating4+4+
DeveloperMixwolf LLCHiroaki Iwai

Customer experience

Spindrop

All ratings427 ratings
Positive85.0%
Neutral4.4%
Negative10.5%
Written reviews39 reviews
Positive46.2%
Neutral10.3%
Negative43.6%

capfuse

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Spindrop

Reported bugs

8 issues
  • App crashes frequently
  • Random crashes
  • Horrible song transitions
  • Cannot log in to Spotify
  • Spotify playlists disappear
Show 3 more
  • App quits unexpectedly
  • App doesn't find Spotify playlists
  • Music cuts off

Requested features

7 requests
  • Add more music, especially newer artists
  • Support for music streaming services like Spotify and Apple Music
  • UI overhaul
  • Add more genres (e.g., phonk, memphis rap, dubstep, gospel, disco)
  • Improve sound quality
Show 2 more
  • Remember preferred transitions
  • Allow mixing movie soundtracks

capfuse

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Spindrop

Subscriptions7
  • Spindrop Premium Access7 Days trial$0.997 Days
  • Spindrop Premium Access3 Days trial$8.997 Days
  • Spindrop Premium Access2 variants$8.997 Days
Show 4 more
  • Spindrop Premium Access7 Days trial$8.997 Days
  • Spindrop Premium Access7 Days trial$9.991 Month
  • Spindrop Premium Access$39.991 Year
  • Spindrop Premium Access3 variants$79.991 Year
1 purchases

capfuse

Subscriptions1
  • premium$1.991 Month

Questions

Is Spindrop free?
Spindrop is free to download, with in-app purchases available.
Is capfuse free?
capfuse is free to download, with in-app purchases available.
Which has better reviews, Spindrop or capfuse?
capfuse is rated higher. Spindrop averages 4.5 out of 5 from 434 ratings, while capfuse averages 5.0 from 2 ratings.
Do Spindrop or capfuse have ads?
Spindrop shows ads; capfuse does not.
Which is updated more often, Spindrop or capfuse?
Spindrop ships an update fortnightly, and capfuse every 6 days. Most recently, Spindrop was updated on October 15, 2026 and capfuse on October 14, 2026.

Other comparisons