Seed Audio vs Riff

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

Seed Audio compared with Riff
Detail	Seed Audio	Riff
What it does	Free AI audio generator and text-to-speech tool for creating voiceovers, multi-speaker conversations, music, sound effects, and complete audio scenes	Make any song you can imagine
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free tier available. Monthly plans: Basic $9.9/mo (450 credits, ~15 audio minutes), Pro $19.9/mo (1,200 credits, ~40 audio minutes), Max $49.9/mo (3,600 credits, ~120 audio minutes). Annual plans save up to 50%. Credit packs at 30 credits/min for paid usage. All paid plans include commercial license	Free account with credits on a paid plan basis. Web plans bill through Stripe and iPhone plans bill through the App Store.
Key features	Complete audio scenes with voices, emotion, dialogue, sound effects, music and atmosphere in single generation Multi-speaker dialogue for podcasts, dramas and character scenes Voice-guided creation using reference audio Story voiceovers with narration, emotion, pacing, music and atmosphere Cinematic sound scenes with sound effects, movement and space Max 2 minute audio per generation Pitch, speed and volume adjustment MP3 export and generation history Commercial use license Duration-based billing model	Generate complete songs from text descriptions Multiple music genres including hip-hop, pop, R&B, indie, electronic, country, rock, lo-fi, afrobeats, jazz, K-pop, folk, house, soul, punk, and latin Build custom voice from short recording on iPhone app Creative controls for style, vocals, and influence Generated lyrics and artwork for every song Music library synced across web and iPhone app Credit-based system for song generation Creator program for monetization on social media
What makes it different	One workspace for complete audio creation without separate voice tracks, sound libraries or manual mixing Reference audio guidance to control tone, style, rhythm and atmosphere Generate full audio scenes from single prompt No credit card required to start creating	No music experience required—works with plain language descriptions Sing songs in your own voice using voice cloning technology Two complete takes of every song generated Unused credits roll over between billing periods Songs optimized for TikTok, Instagram, and YouTube sharing
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)	17 no change since last check	1 no change since last check
Trust Flow (Majestic)	21	0
Citation Flow (Majestic)	12	12
Referring domains (Majestic)	84	13

5 details filled in for both companies.

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