VoiceInk is the open-source, $25 lifetime Mac dictation app. Murmur is the $29 lifetime alternative with a single-hotkey gesture, active-window-only AI screenshots, and direct integration with Claude.
Verified May 2026 · written by the Murmur team
One-time payment. Free quick mode forever. AI mode and Silent mode unlock with the licence. 14-day trial of Pro, 14-day refund.
Solo $25 (1 Mac), Personal $39 (2 Macs), Extended $49 (3 Macs). All one-time, all lifetime updates, 14-day money-back. Open source under GPL v3. Free if you build from source.
VoiceInk is $4 cheaper. At this price level, neither product is going to break a budget. The decision is about which feature set fits your workflow.
| Murmur | VoiceInk | |
|---|---|---|
| Pricing model | $29 lifetime | $25 / $39 / $49 lifetime |
| Free tier | Quick mode forever | Free if you build from source |
| Source licence | closed source | GPL v3 |
| Local Whisper transcription | ✓ | ✓ |
| AI polish / cleanup | ✓Claude | ✓configurable |
| Active-window-only screenshot | ✓ | n/a |
| Single-tap vs double-tap gesture | ✓ | |
| Silent polish (no audio) | ✓ | |
| Languages | 100+ via Whisper | multiple |
| Platforms | Mac only | Mac only |
| Bring your own API key | ✓ | ✓ |
| Vocabulary / snippets | ✓ | ✓ |
| Commercial support | ✓ | community |
Open source. VoiceInk's source is public. You can read the code, audit the privacy claims yourself, fork it, modify it, run it however you want. If transparency is a hard requirement for you, this is decisive. Murmur is closed-source commercial software; you trust us, or you don't.
Slightly cheaper. $25 vs $29. The $4 difference doesn't change anyone's life, but it's worth being honest that VoiceInk is the cheaper one-time purchase.
Multiple AI provider options. VoiceInk lets you configure several AI providers for the polish step. Murmur talks to Claude directly. If you specifically want OpenAI, Groq, or a local LLM running through Ollama, VoiceInk is set up for that today.
Open-source auditability. VoiceInk's source is on GitHub (GPL v3, 4,700+ stars). Murmur is closed-source (notarised binary). Both Whisper-based, both transcribe 100+ languages; if reading the code matters to you, that's a real edge for VoiceInk.
The gesture. Murmur's whole interaction model is one hotkey: hold to dictate, double-tap-and-hold to polish with Claude, double-tap silently to let Claude write the reply from the screenshot alone. Switching modes per utterance with a single key is the design that distinguishes Murmur from every other dictation app, including VoiceInk.
Silent polish. Murmur's third mode (double-tap, don't speak) sends just a screenshot of the active window to Claude and writes the reply for you. There's no analogue in VoiceInk; it's the most novel feature in the category right now.
Active-window-only screenshots. When AI polish runs, Murmur captures only the focused window. Never the full screen, never other apps, never your desktop. VoiceInk doesn't take screenshots, so this isn't a comparison item there. The point is that Murmur built screen context with the privacy story baked in, rather than as an afterthought.
Polished, supported product. Open-source projects live or die by the maintainer's attention. Murmur is funded by the licence sales, which means there's a person on the other side whose job depends on the app working well. If you have a problem, you email hello@murmur.app and a human replies. With VoiceInk, support is community-driven; that's good when the community is active and frustrating when it's not.
Direct to Claude. Murmur uses Claude specifically (via Claude's API), which lets us build features tightly around the model. Silent mode is one example: Claude reads the screenshot and writes the right reply with no transcript at all. VoiceInk's provider-agnostic design is more flexible but doesn't let it specialise the same way.
$4 more is not the dealbreaker. If price is the question, VoiceInk wins. If you'd happily pay $25, the $29 isn't going to stop you, and you get the gesture, silent polish, active-window screenshots, and a person on the other side of the support email.
The full gesture demo, with live waveform and the polished reply pasted into Mail, lives on the Murmur homepage.
VoiceInk is $4 cheaper at $25 lifetime, vs Murmur at $29 lifetime. The price difference is small enough that the decision is really about features and support, not cost.
No. Murmur is closed-source commercial software with a one-time licence. VoiceInk is open source, which means you can read and modify the code, but support is community-driven. If transparency matters more to you than commercial support, VoiceInk wins on principle.
The interaction model. Murmur has a single-hotkey three-mode gesture: tap to dictate, double-tap to polish, double-tap silently to write from the screenshot alone. VoiceInk uses a more conventional dictation paradigm. Murmur also captures only the active window when AI polish runs, and uses Claude directly for polish.
Yes. Both apps install side-by-side on the same Mac. Whisper models cache locally for both, so you don't re-download. Vocabulary and snippets need to be re-entered manually.
You don't have to. If VoiceInk's feature set is enough and you value the open-source guarantee, that's the right call. The $4 difference buys you the gesture, silent polish, active-window-only screenshots, direct Claude integration, and ongoing commercial support. If those things aren't worth $4 to you, VoiceInk wins.
Quick mode does, just like VoiceInk. AI mode and Silent mode need internet to call Claude's API.
One hotkey, three modes. Hold Right ⌘ to dictate locally (Quick mode). Double-tap and hold to send the transcript and a screenshot to Claude for a polished reply (AI mode). Double-tap without speaking to send just the screenshot and let Claude write the reply from context (Silent mode).
Quick mode dictation is free forever. Install Murmur, hold Right ⌘, and see if the gesture clicks. If you want AI mode and Silent mode, the Pro licence is $29 once with a 14-day trial.