SonicCaption vs Foundr Radio

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

SonicCaption compared with Foundr Radio
Detail	SonicCaption	Foundr Radio
What it does	Real-time bilingual subtitles on any tab	A virtual FM dial where anyone can claim a frequency and broadcast live
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Paid
Pricing	Free: $0, 20 minutes per month. Starter: $10/month, 8 hours per month. Pro: $20/month, 20 hours per month. Power: $39/month, 50 hours per month. Ultra: $79/month, 120 hours per month. Team/Enterprise: Custom pricing. Yearly plans save 30%.	Standard frequency: $5 one-time. Premium frequency (round numbers and repeating digits like 90.0 or 98.8): $39 one-time. Listening is free.
Key features	Real-time bilingual captions on any website with audio Works with YouTube, Netflix, Twitch, Zoom, Google Meet, and more Low-latency subtitles appearing in ~0.5 seconds Dual subtitles showing original and translation simultaneously No file uploads required Privacy-aware audio processing Shared team minute pool with per-member usage tracking Team roles with clear permissions	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
What makes it different	Subtitles appear in ~0.5 seconds, fast enough for live streams No manual file uploads needed Universal browser compatibility with any audio tab Dual subtitles showing both languages simultaneously Built by a software engineer who uses it daily	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
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	11 −1 (down) since last check	13 +1 (up) since last check
Trust Flow (Majestic)	10	6
Citation Flow (Majestic)	27	27
Referring domains (Majestic)	115	36

5 details filled in for both companies.

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