SoCaptions vs Riff

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

SoCaptions compared with Riff
Detail	SoCaptions	Riff
What it does	AI video caption generator with word-level timing and MP4 export for short-form video platforms	Make any song you can imagine
Stage	Not given	Not given
Founded	Not given	Not given
Based in	PL	US
Pricing model	Freemium	Freemium
Pricing	Free tier: 5 minutes of transcription, edit-only (no export). Pro monthly: $5/month with 100 minutes of transcription and 100 minutes of MP4 export per month. Pro yearly: $50/year (pay 10 months, get 12).	Free account with credits on a paid plan basis. Web plans bill through Stripe and iPhone plans bill through the App Store.
Key features	Word-level AI timing for precise caption synchronization AI transcription with automatic language detection (99 languages) Viral-ready caption presets (Bold Outline, Box, Cinematic, Karaoke, Emphasis, Animated) Burned-in MP4 export with no watermark SRT and VTT subtitle format export Drag-and-drop editor with word-level timing adjustment Fast transcription (12 seconds for 60-second clip) Support for large video files (up to 5 GB) Free subtitle conversion tools (SRT, VTT, ASS formats) Safe zone preview for TikTok and Instagram Reels	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	Word-level caption timing instead of block-level for tighter rhythm and precise control No watermark on exported videos; clean MP4s ready to publish immediately Burned-in captions survive downloads, reposts, and all players without separate subtitle files Free tier with 5 minutes of editing; no credit card required to try 99-language auto-detection including mixed-language video support	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)	10 no change since last check	1 no change since last check
Trust Flow (Majestic)	19	0
Citation Flow (Majestic)	14	12
Referring domains (Majestic)	47	13

6 details filled in for both companies.

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