Head-to-head · AI Song Extenders
Sonauto AI vs WAV AI
Sonauto AI leads on 5 checks, WAV AI on 1, and 1 is 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 · 8.1/10
- 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: 8.1 against 4.8 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 offers audio upload; WAV AI doesn't publish it. Sonauto AI offers wav export; WAV AI doesn't publish it. Sonauto AI offers stem export; WAV AI doesn't publish it. Sonauto AI offers commercial licence; WAV AI doesn't publish it.
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 8.1/10 Visit ↗ | WAV AI 4.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.1 | 4.8 |
| 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 · 24/7 | |
| Built for | Solo, Small business | Solo, Small business |
| Features Sonauto AI 5/6 · WAV AI 0/6 | ||
| Section inpainting | Not published | Not published |
| Audio upload | ✓ (best) | Not published |
| WAV export | ✓ (best) | Not published |
| Stem export | ✓ (best) | Not published |
| Commercial licence | ✓ (best) | Not published |
| Style reference | ✓ (best) | Not published |
| Specs | ||
| Max extension length | Not published | Not published |
| Our review | ||
| Pros |
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| Cons |
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| 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 → |
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
- Sonauto AI8.1/10 · Free plan · paid from $10/mo (annual)
A browser-based song extender with section directions, stem tools and MIDI drafts.
Visit SonautoFull verdict → - WAV AI4.8/10 · Free plan · paid from $4.99/mo (annual)
A low-cost web studio for AI song creation, extensions, edits and stems.
Visit WAV AIFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026