60,000 freelancers
can hear your Rev recordings.
Rev sends your audio to 60,000+ freelance transcriptionists. In 2019, a transcriptionist was caught examining sensitive prisoner interview data. Mumbl transcribes on your device with AI. Zero humans involved. Zero cloud uploads.
macOS & Windows · iOS coming soon — Zero humans involved
Everything you need. Nothing you don't.
One hotkey. One app. No cloud, no setup, no complexity.
Works Everywhere
100% Local
AI Cleanup
One Hotkey
Any Format
Blazing Fast
One voice note. Four formats.
Faster than Rev. Local. And it actually understands context.
"um I just finished interviewing this person for the podcast, her name is Sarah, she's a marine biologist and she talked a lot about coral reef restoration and like the emotional side of watching ecosystems die, it was really moving"
Sarah's work sits at the intersection of science and grief. As a marine biologist dedicated to coral reef restoration, she doesn't just study ecosystems — she mourns them. Her willingness to speak openly about the emotional weight of watching reefs bleach and die adds a human dimension to a crisis that too often gets filtered through data alone.
What people are saying
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
This is the simplest way to 10X your productivity.
I can finally talk to Claude Code with only two keys.
My favorite thing about Mumbl is its simplicity. There aren't any loops you have to go through to make it work and it's intertwined with my device really well. Right now I mainly use Mumbl for school work!
I was unsure on how I would feel talking to my computer, but I figured I'd give it a try. Turned out 10x better than I had expected. It's crazy how much time has already saved me!
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
I was spending over $300 a month on Rev. Mumbl runs the same Whisper model locally and the accuracy is comparable. Paid for itself in the first week.
Rev's upload-and-wait workflow doesn't fit how I work. With Mumbl I just start talking and it's there. No uploading, no waiting, no per-minute charges.
I used Rev for depositions for years. The moment I found Mumbl processes everything locally with nothing hitting the cloud, I switched. Data leaving the device is a liability.
Why professionals are switching from Rev
"60,000+ freelance transcriptionists at Rev can access your files — anyone with a confidentiality agreement can see sensitive recordings."
In 2019, a Rev transcriptionist was documented examining sensitive prisoner interview data. Confidentiality agreements don't prevent curiosity.
"Access to transcripts by employees is determined on a case-by-case basis, and there isn't a strict set of circumstances." — Rev's own policy.
Mumbl uses AI on your device. No humans listen to your audio. No servers store your recordings. Your voice goes from microphone to text, entirely on your machine.
Mumbl vs Rev
| Feature | Mumbl | Rev |
|---|---|---|
| Who hears your audio | Nobody — AI on your device | 60,000+ freelance transcriptionists |
| Audio processing | 100% on your device | Uploaded to Rev servers |
| Pricing | Free tier / $12 mo / $200 lifetime | $1.50/min AI, $5.99/min human |
| Speed | Instant — real-time on device | Minutes to hours |
| Data access policy | No data leaves your device | Case-by-case employee access |
| Works offline | Yes | No — cloud required |
Your voice never leaves your device
Mumbl processes everything locally using Whisper AI. No cloud uploads. No servers. No data collection. Your words stay yours.
Simple, transparent pricing
Start free with 10 transcriptions per week. Upgrade anytime for unlimited.
10 transcriptions per week. Perfect to get started.
- 10 transcriptions per week
- All formatting styles
- 100% local processing
- No credit card required
Unlimited transcriptions. Best value.
- Unlimited transcriptions
- All formatting styles
- 100% local processing
- Priority support
Pay once, use forever. All future updates included.
- Unlimited transcriptions
- All formatting styles
- 100% local processing
- Priority support
- All future updates
Frequently asked questions
Is AI transcription as accurate as human transcription?
Modern AI (Whisper, which Mumbl uses) matches or exceeds average human transcription accuracy. And it's instant — no waiting hours or days for a freelancer to finish.
Does Mumbl work for long-form transcription?
Mumbl is optimized for voice-to-text dictation — speak and get formatted text in real-time. It's ideal for notes, emails, documents, and dictation. For transcribing pre-recorded audio files, it's designed for live speech input.
How much cheaper is it than Rev?
Rev charges $1.50/minute for AI transcription or $5.99/minute for human. Mumbl's free tier gives you 10 transcriptions per week. Paid plans start at $12/month with unlimited use. For regular transcription needs, the savings add up fast.
Ready to write faster?
Join thousands who've stopped typing and started talking. Download Mumbl for free today.
Download for FreemacOS & Windows • iOS coming soon • Free forever