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Whisper Flow — Speak. We'll write.

Whisper Flow is an AI voice keyboard from Butterfly AI LLC for macOS, Windows, and Android, with iPhone and iPad coming soon. Turn speech into formatted text in any app — about 10× faster than typing — with on-device transcription, 5-tone AI rephrasing, and translation to 100+ languages.

Free for Mac, Windows, and Android. No signup required. One purchase. All platforms.

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Requires microphone access. Max 2 minutes. Use Chrome/Edge if the permission dialog doesn’t appear.

Your transcriptions will show here.

Download Whisper Flow

Available on macOS, Windows, and Android. iPhone coming soon.

App Store — coming soon iPhone & iPad Coming soon
Download on the Mac App Store macOS Get it on Google Play Android Download for Windows Windows Please disable the firewall when install

Choose Your Plan

Annual
Best value for power users
$ 144
per year ($12/mo)
  • ✓ Unlimited voice transcription
  • ✓ AI rephrase: Funny, Polite, Formal, Casual, Social Post
  • ✓ 15 summary templates
  • ✓ Translate to 100+ languages
  • ✓ Custom dictionary
  • ✓ Replay recording with word-by-word highlight
  • ✓ Priority support
  • ✓ All future premium features
Get Annual Plan
Monthly
Flexible month-to-month
$ 12
per month
  • ✓ Unlimited voice transcription
  • ✓ AI rephrase: Funny, Polite, Formal, Casual, Social Post
  • ✓ 15 summary templates
  • ✓ Translate to 100+ languages
  • ✓ Custom dictionary
  • ✓ Replay recording with word-by-word highlight
Get Monthly Plan

Why Choose Butterfly AI?

Three things that set Whisper Flow apart from any other dictation app.

AI Rephrase panel with six tone buttons — Grammar, Formal, Social, Casual, Funny, Polite — rewriting a dictated sentence in the chosen tone
AI Rephrase

Sound the way you want, instantly.

One click rewrites what you just dictated in five tones — perfect for a polite reply, a formal email, a casual chat, a social post, or just a laugh. Pick the tone, copy, done.

Polite Formal Casual Social Post Funny
Translate panel converting an English dictation to Chinese (Simplified) with one click
Translation

Speak one language. Send another.

Dictate in English; paste in Chinese, Japanese, Spanish — whatever language your reader speaks. Inline translation across 100+ languages, with one click to copy the translated version.

Recording history grouped by date with audio playback bar, transcript highlighting the current word as it is spoken
Replay & Word-by-Word

Hear exactly what you said.

Every dictation is saved with the original audio. Replay any past recording and watch the transcript highlight word-by-word as you listen — perfect for verifying a quote, editing a draft, or studying a language.

And more reasons to love it

⚡

10x Faster

Speak at 220 wpm vs typing at 45 wpm. Save hours every week.

🔒

Privacy First

On-device transcription option; voice data never shared.

📝

Personal Dictionary

Learns your names, jargon, and phrases over time.

🔄

Cross-Platform

Mac, Windows, and Android. One account, everywhere.

Trusted by Thousands

50K+
Active Users
1M+
Voice Minutes
100+
Languages
10x
Faster Than Typing

Frequently Asked Questions

What is Whisper Flow?

Whisper Flow is an AI voice keyboard from Butterfly AI LLC that turns your speech into accurate, formatted text inside any app. It is built for dictation that's roughly 10x faster than typing.

One product, every platform:

  • 📱 On Android the app is named Whisper Flow (also written as Whisperflow). iPhone & iPad coming soon.
  • 💻 On macOS the app is named Whisper Flow, available on the Mac App Store.
  • 🪟 On Windows the app is named Whisper Flow — a direct Whisper.exe download from this site.

Both apps share the same account, transcription engine, and AI features.

Is Whisper Flow free?
Yes. Whisper Flow on Android, macOS, and Windows all have a free tier with no signup required. A premium plan starts at $12/month or $144/year and unlocks unlimited transcription, AI rephrase tones, 15 summary templates, translation to 100+ languages, and a custom dictionary. Your subscription works across all platforms.
Which platforms does Whisper Flow support?
Whisper Flow runs on macOS, Windows, and Android, where it is published as Whisper Flow (with regional Android variants Wisperlow for the US and Whisper You as a separate keyboard listing). An iPhone & iPad version is coming soon. All versions support voice-to-text with on-device transcription options for privacy.
Does Whisper Flow work offline?
Yes. Whisper Flow on Android, macOS, and Windows all support local on-device transcription so you can dictate without sending audio to the cloud. Online transcription is also available for the highest accuracy.
How accurate is Whisper Flow's speech recognition?
Whisper Flow uses state-of-the-art speech recognition models and supports a custom dictionary so it learns your names, jargon, and phrases over time. Most users see near-human transcription accuracy in everyday use.
How many languages does Whisper Flow support?
Whisper Flow supports more than 100 languages and can detect and switch between them automatically during dictation.
Is Whisper Flow the same as Wispr Flow?

No. Whisper Flow by Butterfly AI LLC is an independent product and is not affiliated with Wispr Flow by Wispr AI Inc. The two have similar names but are made by different companies.

Whisper Flow vs Whisperflow vs Wisperlow vs Whisper You — are these the same app?
Yes. These all refer to the same family of apps from Butterfly AI LLC, just named differently per platform or region. The official website is whisperflow.org. Here is the exact mapping:
  • Android → "Whisper Flow: AI Voice to text" on Google Play.
  • macOS → "Whisper Flow" on the Mac App Store.
  • Windows → "Whisper Flow", direct Whisper.exe download from this site.
  • iPhone & iPad → coming soon.

Note: Wispr Flow (by Wispr AI Inc.) is a separate, unaffiliated product — see the previous FAQ.

Is the macOS app the same as Whisper Flow on mobile?
Yes. The macOS app is Whisper Flow from Butterfly AI LLC, available on the Mac App Store. It shares the same account, transcription engine, and AI features as Whisper Flow on Android and Windows — so you can sign in once and use it everywhere.
Where can I download Whisper Flow?