StarWhisper vs Aqua Voice:
Windows Whisper vs Mac AI Dictation

The platform question comes first

Most decisions between StarWhisper and Aqua Voice are actually decisions about platform, not features. Aqua Voice was built Mac-first and is still primarily a macOS product. StarWhisper has been Windows-only from day one. If you live on a Mac, this page is informational, not a buying decision: you use Aqua Voice, or another Mac-native option like Superwhisper or Wispr Flow. If you live on Windows, Aqua is not a real option for you, and StarWhisper is the closest equivalent in spirit: a desktop dictation app built around a hotkey, designed to type wherever your cursor is.

What Aqua Voice is, in plain terms

Aqua Voice is an AI dictation app that wraps a Whisper-class transcription model with a cloud-side command layer. When you dictate, audio is sent to Aqua's servers, transcribed, and then run through an additional AI pass that can interpret formatting instructions ("new paragraph," "italicize that"), clean up obvious dictation errors, and produce output that feels closer to what you "meant" rather than literal what you "said." It is well-marketed and the command system is genuinely a thoughtful piece of product design.

What StarWhisper is, in plain terms

StarWhisper is a Windows desktop application that runs OpenAI Whisper locally on your machine. You press a global hotkey, talk, and your words are transcribed on your PC and typed into the active text field. There is no cloud round trip, no AI cleanup layer, no per-minute meter. Free for 500 words per day, $10 per month for unlimited. The underlying philosophy is that transcription should be accurate, private, and cheap, and that voice-driven formatting belongs to your existing keyboard shortcuts.

Side-by-side feature table

Verified against the StarWhisper app and Aqua Voice's public marketing and pricing as of May 2026.

Pricing in detail

StarWhisper pricing

• Free: 500 words per day, 3,500 words per week, no credit card.
• Pro Monthly: $10 per month, unlimited dictation, all Whisper model sizes, GPU acceleration.
• Pro Annual: $80 per year, about $6.67 per month.
• Trial: 7 days of full Pro access on request.

See StarWhisper Pro for the full feature breakdown. The free plan limits are described on the free tier page.

Aqua Voice pricing

• Free: Limited daily allowance, intended to demonstrate the product.
• Lower paid tier: Approximately $8 per month for restricted usage.
• Pro: Approximately $19 per month for unlimited dictation and full AI command features.
• Aqua has adjusted its tiers and pricing several times. Always check the live pricing page.

Comparing the math

On the equivalent unlimited Pro plans, StarWhisper at $10 per month is about half the price of Aqua at $19 per month. On annual billing the gap widens. The reason is structural: when transcription runs on your own machine, there is no GPU server cost to mark up. Aqua's cloud command layer is real engineering and has to be paid for, which is fair, but it shows up in the price.

The free tiers are also not the same shape. StarWhisper's 500 words per day is enough to dictate the bulk of daily email and chat for a typical user. Aqua's free tier is more restricted, more of a try-before-you-buy demonstration than a usable daily ceiling.

Privacy and where your audio goes

This is the structural difference that matters most for some users. StarWhisper runs the OpenAI Whisper model on your machine. Audio is captured, transcribed locally, and the resulting text is typed into the active text field. There is no cloud step. Unplug your network cable, dictation still works. There is no log on a vendor's servers, no retention policy that matters because nothing leaves the device.

Aqua Voice is a cloud product. Audio is uploaded to Aqua's servers for transcription and for the AI command-interpretation layer that gives it its distinctive feel. Aqua publishes a privacy policy and follows standard SaaS data-handling practices, which is fine for most personal use. For confidential content (medical notes, legal drafts, NDA-bound technical work, therapy session notes), the local-only architecture is generally easier to defend than any "we delete after N days" cloud policy.

For a deeper read see offline voice dictation on Windows, Whisper local vs cloud, and HIPAA-compliant dictation.

Where Aqua Voice wins, honestly

Specific things Aqua does better

• AI voice commands. "Italicize that," "new paragraph," "format as a list." Genuinely well-designed and useful for writers who already think in formatted prose.
• Mac integration. The product is built around macOS accessibility APIs and the experience reflects that. Smooth, native, well-supported.
• AI cleanup of dictation. The cloud post-processing layer catches obvious mistakes and produces text that reads closer to your intent than raw Whisper output.
• Brand and onboarding polish. The marketing site, in-app onboarding, and overall presentation are tight.
• Product roadmap velocity. Aqua ships fast and the AI command system has matured noticeably over the last year.

If you live on a Mac and the AI command layer matches how you write, Aqua is a sensible pick and we will say so. This page exists for the Windows-side of the same question.

Where StarWhisper wins

• Windows-native depth. Built around the Windows IME, foreground-window detection, NVIDIA CUDA acceleration, and Microsoft Store distribution. Not a port from a Mac codebase.
• Local processing. No cloud round trip, no upload, no audio on vendor servers. Structurally easier to defend for regulated content.
• Offline operation. Works on planes, in secure rooms, on hotel networks that do not load anything.
• Cheaper unlimited tier. $10 per month versus Aqua's roughly $19 per month for equivalent plans. About half the price.
• Usable free tier. 500 words per day on free is enough to dictate the majority of one workday's emails and chat messages. Aqua's free tier is more restricted.
• 96+ languages. Whisper handles a long tail of European, Asian, and right-to-left languages that Aqua's marketing does not emphasize.

The honest take on AI command layers

It is worth being direct about what the absence of an AI command layer means in practice for a StarWhisper user. You can still get voice-driven formatting on Windows; you just get it through your operating system and your existing applications instead of through a cloud AI layer. Word, Notion, Outlook, your IDE, and Slack all support rich keyboard shortcuts. Tools like AutoHotkey on Windows let you map spoken phrases (when dictated by StarWhisper) to any keystroke or macro you want.

The trade-off is real. Aqua's "italicize that" command interprets what you mean and applies the formatting. StarWhisper transcribes "italicize that" literally, and you then press Ctrl+I to italicize. For some workflows that is a meaningful productivity gap. For others it is a five-cent inconvenience you barely notice. The honest read: if voice-driven formatting is the centerpiece of how you write, Aqua's approach is real value. If your dictation is mostly "fill the text field with what I just said," the AI command layer is a nice-to-have you can replicate with keyboard shortcuts.

For a deeper look at how writers actually use voice-to-text tools day to day, see voice-to-text for writers.

Who should pick which

Pick StarWhisper if

• You work on Windows 10 or 11
• You want local processing and offline operation
• You handle confidential or NDA-bound content
• You are happy to use keyboard shortcuts for formatting
• You want a meaningfully cheaper Pro plan with no cloud meter

Pick Aqua Voice if

• You work on macOS
• You want a polished AI command system for voice-driven formatting
• You are comfortable with cloud transcription
• You value Aqua's specific brand and product polish
• The AI cleanup layer noticeably improves your dictation output