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Key & BPM Lab vs Captitles

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Key & BPM Lab compared with Captitles
DetailKey & BPM Lab logo Key & BPM LabCaptitles logo Captitles
What it doesFree browser-based audio tools for finding and changing song key and BPM AI-powered app for creating, translating and screening theatre subtitles
StageNot given Not given
FoundedNot given Not given
Based inNot given CZ
Pricing modelFreemium Freemium
PricingFree plan includes Key & BPM Finder and Changer, Audio Cutter and Joiner, BPM Tapper and Metronome, Voice Recorder, and local processing tools with files saved for 6 hours. Plus plan: $9.90/month with 1,000 credits per month and files saved for 7 days. Pro plan: $19.90/month with 2,500 credits per m Free plan: €0/month with 2 shows, 1 translation, 1 team member, 1 external screen. Subscription: €75/month with unlimited shows, 10 translations, 4 team members, 3 external screens. Daily rental: €4.99/day with unlimited shows, 10 translations, 4 team members, 3 external screens.
Key features
  • Detect song tempo, musical key, scale and Camelot code
  • Change key and BPM independently and export as WAV
  • Cut and join audio segments
  • Record voice and tap beat timing
  • Practice with online metronome
  • Remove vocals from songs
  • Split songs into instrument stems
  • Enhance audio quality with AI
  • Convert audio to editable MIDI
  • Project captions to external screens and TVs
What makes it different
  • Process audio locally in browser without uploading to servers
  • No file storage or account required for free tools
  • All free tools with privacy-first design
  • Direct export from browser without server processing
  • Eliminates manual copy-pasting by automatically converting scripts to surtitles
  • Significantly reduces time and cost of implementing captions compared to PowerPoint
  • Requires minimal technical setup so teams can focus on artistic quality
  • Free plan enables testing and supports amateur community theatres
Community votes00
DR (Domain Rating by Ahrefs)25 −1 (down) since last check44 +1 (up) since last check
Trust Flow (Majestic)1911
Citation Flow (Majestic)1234
Referring domains (Majestic)35157

5 details filled in for both companies.

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