On-Device Mac Text-to-Speech with Voice Cloning
Murmur turns scripts into natural speech on your Mac, with voices you clone or design yourself. One purchase, unlimited generation. Your audio never l…
In plain English
Murmur turns scripts into natural speech on a Mac with Apple silicon. Users can clone or design their own voices. They pay once for unlimited use, and the audio never leaves the computer. TrustMRR shows about $467 in revenue in the last 30 days. The Mac does the voice work, while the owner sells licenses.
$467 verified revenue last 30 days, mostly non-recurring (TrustMRR/Polar, Oct 29, 2026)
Operator: Tarun Yadav
Revenue independently checked: documents reviewed by a publication, or a public dashboard.
Not disclosed.
The tool stack
Payments / merchant of record
Core ML ↗On-device model inference
llama.cpp ↗Runs open models locally
Prices are the vendors' published list prices as researched in Oct 2026 and change often — always check the vendor's pricing page.
Step-by-step setup
- Pick one job people would rather keep private on their own computer.
- Run open or on-device models locally so nothing is uploaded and there is no per-use model bill.
- Sell a license or subscription with a free trial.
- Grow through Mac/desktop app communities, search and word of mouth.
What's automated vs. the human 10%
The machine does
- Core AI generation/analysis
- Billing and onboarding
You still do
- Product quality and support
- Distribution and marketing
- Compliance and edge cases
Overview
Murmur turns scripts into natural speech on your Mac, with voices you clone or design yourself. One purchase, unlimited generation. Your audio never leaves the machine.
Operator: Tarun Yadav. Category on TrustMRR: Artificial Intelligence. Founded: 2026-01-01. Website: https://www.murmurtts.com/
Estimated split: about 90% of the work automated, 10% human.
Realistic income
TrustMRR (checked Oct 29, 2026) shows $467 in Polar-verified revenue over the last 30 days, $8,648 verified over its tracked history. Most of this revenue is one-time, not recurring. This is one operator’s result, often after months or years of work, and doesn’t predict yours. Check the live listing — numbers change.
Risks
- Free open-source alternatives exist.
- Must keep up with OS and model updates.
- Startup cost and time to first dollar are not disclosed.
*Income figures are illustrative ranges based on public pricing and typical outcomes reported by practitioners, not guarantees. Most new online businesses earn little or nothing at first. Not financial, legal or tax advice.
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