Best for
Best for independent artists who master and release music regularly and want both in one subscription.
- Freelancers
- Small and mid-sized
AI Sound & Audio Comparison
eMastered vs. Stable Audio
At a glance
At a glance
Best for
Best for creators who need instrumental tracks and sound effects with a clearer licensing story.
- Freelancers
- Small and mid-sized
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | eMastered | Stable Audio |
|---|---|---|
| Starting price | From $156 / year Paid once for twelve months. Also $19 a month on a twelve-month commitment, or $49 a month with no commitment. | Free tier; Pro ~$12 / month Studio and Max tiers sit above Pro. |
| Free trial | Free 20-second preview, plus a 14-day refund | Free tier, limited |
| Commercial use | Yes | Paid tiers. Trained on licensed data, which gives a clearer commercial-use framework |
| Output | Mastered music tracks and separated stems | Instrumental music and sound effects, no vocals |
| What it does | Mastering finished music mixes, with stem separation and distribution around it | Generates music and sound effects from text prompts |
| Noise removal and repair | No, the engine masters a completed mix rather than repairing a damaged recording | No, it generates and edits audio rather than restoring existing recordings |
| Mastering and loudness | Yes, unlimited mastering of WAV, AIFF and MP3 mixes, including reference mastering against a track you supply | No mastering or loudness tools |
| Where it runs | In the browser: upload a finished stereo mix, hear a 20-second preview, then download the master | Browser app, API on the Stability AI developer platform, and open weights for the Small and Medium models |
| Also included | Stemify separation into six stems, unlimited distribution to major streaming and download platforms, the ATOM synthesizer plugin and a Linkify link-in-bio page | Segment editing to modify, rework or extend a track; model customisation on your own audio library; enterprise licence with legal indemnification |
| API | Only on request: the published plans carry no API, and the fair usage policy points labels and collectives to support@emastered.com for an enterprise-grade plan that adds API access. No public documentation | Yes |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Support | Email helpdesk | Not stated |
| Onboarding | Documentation and knowledge base | Documentation and knowledge base |
| Company size | Freelancers, Small and mid-sized | Freelancers, Small and mid-sized |
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Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Key Differences
- Starting price eMastered From $156 / year Stable Audio Free tier; Pro ~$12 / month
- Free trial eMastered Free 20-second preview, plus a 14-day refund Stable Audio Free tier, limited
- Commercial use eMastered Yes Stable Audio Paid tiers. Trained on licensed data, which gives a clearer commercial-use framework
- Output eMastered Mastered music tracks and separated stems Stable Audio Instrumental music and sound effects, no vocals
- What it does eMastered Mastering finished music mixes, with stem separation and distribution around it Stable Audio Generates music and sound effects from text prompts
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
eMastered
Strengths
- Unlimited mastering, stem separation and distribution on one subscription
- Reference mastering against a track you choose
- A 20-second preview plays before any payment
Limitations
- No ongoing free tier, a download needs a subscription
- Masters a finished stereo mix only, not stems or tracked-out files
- The no-commitment rate is more than double the annual one
Stable Audio
Strengths
- Licensed training data for a cleaner commercial-use story
- Strong for instrumental beds, ambient and sound design
- Audio-to-audio and style transfer
Limitations
- No vocal or lyric generation
- Free tier is very limited
- High-revenue organisations need an enterprise license
Plans
Pricing
eMastered
- Monthly $49 Billed every 30 days, cancel any time.
- Yearly, billed monthly $19 Per month on a twelve-month commitment.
- Yearly, paid upfront $156 One payment for twelve months of full access.
Stable Audio
- Free $0
- Pro ~$12 Per month.
- Studio Not stated
- Max Not stated
What users say
Review Scores · opens after launch
eMastered
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Stable Audio
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Where this comes from
eMastered https://emastered.com · no check date recorded yet
Stable Audio https://www.stableaudio.com · no check date recorded yet
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.