Udio vs SoMusicAI

Udio9.0Visit SoMusicAI8.9Visit

Higher score Udio #3 in AI Song Extenders 9.0/10 Free plan · 7-day trial Free planFree trial✓ 1 of 6 features Visit Udio

vs

SoMusicAI #4 in AI Song Extenders 8.9/10 Free plan Free plan✓ 5 of 6 features Visit SoMusicAI

• Udio fits best

  Creators extending songs with timeline editing

• SoMusicAI fits best

  Creators extending tracks and exporting WAV masters

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Side by side

Feature	Udio 9.0/10 Visit ↗	SoMusicAI 8.9/10 Visit ↗
At a glance
Editor score	9.0	8.9
Ranking	#3 in AI Song Extenders	#4 in AI Song Extenders
Best for	Creators extending songs with timeline editing	Creators extending tracks and exporting WAV masters
Pricing model	Free plan + paid	Free plan + paid
Starting price	$96/yr	$120/yr
Free plan	✓	✓
Free trial	7 days	—
Deployment	Cloud, Mobile	Cloud
Platforms	Web, iOS	Web
Support	Live chat, Docs	Email
Built for	Solo, Small business	Solo, Small business, Mid-market
Features Udio 1/6 · SoMusicAI 5/6
Section inpainting	Not checked yet	Not checked yet
Audio upload	✓	✓
WAV export	Not checked yet	✓ (best)
Stem export	—	✓ (best)
Commercial licence	Not checked yet	✓ (best)
Style reference	Not checked yet	✓ (best)
Specs
Max extension length	Not checked yet	Not checked yet
Our review
Pros	Sessions timeline editing supports song extensions and structured refinement Upload audio for extending, remixing, inpainting, and styling Voice and style blending plus four-way stem separation	Choose a continuation point on the waveform and preserve saved parameters. Upload MP3, WAV, M4A, OGG, or FLAC audio for extension. Export WAV masters and generate vocal, instrumental, or multi-stem separations.
Cons	Tracks are limited to about 2.17 minutes Audio, video, and stem downloads are disabled during its transition Mobile access is limited to iOS	Available only on the web. Paid annual subscriptions start at $10 per month, billed annually. The extender accepts source audio up to eight minutes.
Our verdict	Udio is a cloud and mobile AI music creation service for turning text prompts, lyrics, styles, and voice references into vocal or instrumental songs. It supports automatic or custom lyrics, lyric editing and effects, and lets creators… Read the review →	SoMusicAI is a browser-based AI music workspace for creators who want to extend existing tracks as well as generate new songs. Its extender works with uploaded audio or compatible Suno-class tracks from a user library. Users can choose a… Read the review →

Strengths and trade-offs

• Udio — where it wins

  • Sessions timeline editing supports song extensions and structured refinement
  • Upload audio for extending, remixing, inpainting, and styling
  • Voice and style blending plus four-way stem separation

  Where it doesn't

  • Tracks are limited to about 2.17 minutes
  • Audio, video, and stem downloads are disabled during its transition
  • Mobile access is limited to iOS

• SoMusicAI — where it wins

  • Choose a continuation point on the waveform and preserve saved parameters.
  • Upload MP3, WAV, M4A, OGG, or FLAC audio for extension.
  • Export WAV masters and generate vocal, instrumental, or multi-stem separations.

  Where it doesn't

  • Available only on the web.
  • Paid annual subscriptions start at $10 per month, billed annually.
  • The extender accepts source audio up to eight minutes.

• Udio9.0/10 · Free plan · 7-day trial

  A flexible AI song editor with Sessions timeline tools, but short tracks and disabled downloads.

  Visit UdioFull verdict →
• SoMusicAI8.9/10 · Free plan

  A flexible browser-based extender with waveform selection, stems, and WAV downloads.

  Visit SoMusicAIFull verdict →