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Head-to-head · AI Song Extenders

Sonauto AI vs WAV AI

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Sonauto AI #5 in AI Song Extenders 8.8/10 Free plan Free plan✓ 5 of 6 features Visit Sonauto
WAV AI #7 in AI Song Extenders 8.6/10 Free plan Free plan✓ 0 of 6 features Visit WAV AI

Sonauto AI leads on 0 checks, WAV AI on 1, and 6 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSonauto AI · 8.8/10
  • Lowest starting priceWAV AI · $4.99/mo
  • Free planboth
  • Most featuresSonauto AI · 5 of 6

Sonauto AI scores higher on our rubric for ai song extenders: 8.8 against 8.6 out of 10; our editors rank them #5 and #7.

WAV AI is cheaper to start at $4.99/mo against $10/mo.

Sonauto AI is the better fit for guided song sections and MIDI-aware workflows. WAV AI is the better fit for low-cost extension with editing and stems.

  • Sonauto AI fits best

    Guided song sections and MIDI-aware workflows

  • WAV AI fits best

    Low-cost extension with editing and stems

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Side by side

Feature Sonauto AI 8.8/10 Visit ↗ WAV AI 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #5 in AI Song Extenders #7 in AI Song Extenders
Best for Guided song sections and MIDI-aware workflows Low-cost extension with editing and stems
Pricing model Free plan + paid Free plan + paid
Starting price $10/mo $4.99/mo (best)
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email Email · 24/7
Built for Solo, Small business Solo, Small business
Features Sonauto AI 5/6 · WAV AI 0/6
Section inpainting Not checked yet Not checked yet
Audio upload ✓ (best) Not checked yet
WAV export ✓ (best) Not checked yet
Stem export ✓ (best) Not checked yet
Commercial licence ✓ (best) Not checked yet
Style reference ✓ (best) Not checked yet
Specs
Max extension length Not checked yet Not checked yet
Our review
Pros
  • Continue from a selected point in an upload or library track
  • Direct intros, bridges, breaks, outros or longer sections
  • Paid plans include vocal removal, stem splitting and MIDI drafts
  • Extends tracks and remixes them into different genres or styles
  • Edits generated words and beat timing
  • Paid plans split stems and download MP3, WAV and FLAC
Cons
  • Free songs are public by default and kept in cloud storage for 30 days
  • Song extension and MP3/WAV downloads require a paid plan
  • Commercial-use rights apply only to eligible annual-plan generations
  • Browser-based web deployment only
  • Free plan allows 240 credits and two MP3 downloads
  • Stem splitting and multiformat downloads require a paid plan
Our verdict

Sonauto AI is a browser-based music creation and editing service for people who want to extend a track by shaping what comes next. Its extension tool starts from a point the user selects in an uploaded MP3 or a song in the Sonauto library,…

Read the review →

WAV AI is a browser-based, cloud music-generation and editing service for content creators, songwriters, and others who need original audio. It creates vocal songs or instrumentals from text prompts or user-written lyrics, with prompts…

Read the review →
  1. Sonauto AIAI Song Extenders 8.8Free plan
  2. WAV AIAI Song Extenders 8.6Free plan

Strengths and trade-offs

  • Sonauto AI — where it wins

    • Continue from a selected point in an upload or library track
    • Direct intros, bridges, breaks, outros or longer sections
    • Paid plans include vocal removal, stem splitting and MIDI drafts

    Where it doesn't

    • Free songs are public by default and kept in cloud storage for 30 days
    • Song extension and MP3/WAV downloads require a paid plan
    • Commercial-use rights apply only to eligible annual-plan generations
  • WAV AI — where it wins

    • Extends tracks and remixes them into different genres or styles
    • Edits generated words and beat timing
    • Paid plans split stems and download MP3, WAV and FLAC

    Where it doesn't

    • Browser-based web deployment only
    • Free plan allows 240 credits and two MP3 downloads
    • Stem splitting and multiformat downloads require a paid plan

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update