AudioUtils vs Seply

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

AudioUtils compared with Seply
Detail	AudioUtils	Seply
What it does	Free browser-based audio converter with no uploads or signups required	AI speaker separation to split audio by speaker into individual tracks
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 5 conversions per month with 10-second preview output, 20MB file size limit. Pro Weekly: $5.99/week with unlimited conversions, full-length output, 500MB file size limit. Pro Monthly: $9/month with same Pro features. Pro Yearly: $5/month billed as $60/year (44% discount) with same Pro features	Free Trial: 20 credits once (about 2 minutes of Standard Separation). Monthly plans: Starter $12 (200 credits), Creator $29 (600 credits), Studio $65 (1500 credits). Annual plans: Starter $120, Creator $288, Studio $648. One-time credit packs: 200 credits for $16, 600 credits for $39, 1500 credits f
Key features	Local browser-based processing with WebAssembly Works offline once page loads Support for MP3, WAV, FLAC, OGG, M4A, AAC, WMA, AIFF, Opus Unlimited conversions with Pro subscription 500MB file size limit on Pro plans Audio editing tools including cutter, joiner, compressor, and speed changer Cross-device access with Pro subscription Works on all modern browsers and operating systems	Individual speaker tracks with separate WAV files Time-aligned output with synchronized track starts Automatic and manual speaker detection Support for 30+ languages Multiple audio and video file format support Advanced Overlap mode for simultaneous speech Private processing with 30-day result access Preview functionality before download Credit-based pricing with cost estimate before processing Upload support for files up to 1 GB
What makes it different	Files stay on your device with no server uploads No installation, plugin, or account signup required Works offline after initial page load Processes audio at full CPU speed locally in browser Conversion starts immediately without upload delays	Works with both audio and video files with automatic speaker detection Handles overlapping and simultaneous speech with Advanced Overlap mode Keeps time-alignment across all exported tracks for editing workflow continuity Separates voices into individual tracks rather than just labeling speakers
Community votes	0	0
DR (Domain Rating by Ahrefs)	18 −1 (down) since last check	28 −1 (down) since last check
Trust Flow (Majestic)	21	10
Citation Flow (Majestic)	25	30
Referring domains (Majestic)	136	88

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