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Foundr Radio vs Zumbo

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

Foundr Radio compared with Zumbo
DetailFoundr Radio logo Foundr RadioZumbo logo Zumbo
What it doesA virtual FM dial where anyone can claim a frequency and broadcast live Open source dictation for Mac with local AI, instant speed and complete privacy
StageNot given Not given
FoundedNot given Not given
Based inNot given RO
Pricing modelPaid Paid
PricingStandard frequency: $5 one-time. Premium frequency (round numbers and repeating digits like 90.0 or 98.8): $39 one-time. Listening is free. One Mac: $15 (or $9 for first 10 buyers); Three Macs: $20; Team (10 Macs): $79. 3-day free trial with everything unlocked. Free updates. 14-day refunds.
Key features
  • 201 frequencies spanning 88.0 to 108.0 FM
  • Instant frequency assignment after payment
  • Browser-based live broadcasting
  • Free listening without account
  • Customizable station details
  • Program scheduling with timezone support
  • Live-only broadcasts with static fallback
  • Daily 30-minute broadcast limit
  • Real-time listener count display
  • Multiple audio input options
  • Dictation into any app with one keyboard shortcut
  • Local speech processing in about 200 milliseconds
  • Automatic clean speech with filler word removal
  • Learn corrections to improve accuracy per user
  • 21 vocabulary packs for specialized fields
  • Custom vocabulary packs from CSV or JSON files
  • Notes with searchable history and time-based reminders
  • Meeting mode with speaker labels and timestamps
  • Supports 25 European languages
  • Runs completely offline with no account required
What makes it different
  • No pre-recorded content allowed; live-only broadcasts
  • Nostalgia-driven design recreating traditional radio experience
  • Algorithm-free platform emphasizing human connection
  • One owner per frequency with permanent assignment
  • Low-cost frequency ownership starting at $5
  • Open source GPL-3 code on GitHub you can read, build and verify
  • Complete privacy with no server, no account, no audio sent anywhere
  • Fastest local transcription at about 200 milliseconds latency
  • One-time purchase with free updates and no subscription
  • Works in terminal, code editors and AI coding agents
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)13 +1 (up) since last check3 no change since last check
Trust Flow (Majestic)63
Citation Flow (Majestic)2722
Referring domains (Majestic)369

5 details filled in for both companies.

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