Wispr Flow alternative for iPhone: Cerebro Keyboard

Facts checked on

Cerebro Keyboard is an iPhone voice keyboard that costs $5.99 a month for unlimited transcriptions, compared with $15 a month for Wispr Flow Pro, and it works without an account. Wispr Flow is the better fit if you also dictate on a Mac, Windows PC or Android phone, because Cerebro Keyboard only runs on iPhone. Both are third-party keyboards that need Full Access and an internet connection, and both transcribe your speech in the cloud.

Wispr Flow and Cerebro Keyboard compared (prices from the US App Store and wisprflow.ai)
FeatureWispr FlowCerebro Keyboard
Platforms Mac, Windows, iPhone, Android iPhone only
iPhone requirement iOS 18.3 or later iOS 17.0 or later
Free plan on iPhone 1,000 words per week (2,000 on desktop) 20 transcriptions per month
Pro price (US) $15/month or $143.99/year in the App Store ($12/month billed annually on wisprflow.ai); weekly and student plans too $5.99/month or $47.99/year
Account Required (Google, Apple, Microsoft, SSO or email) Not needed
Starting a dictation Tap the mic on the Flow keyboard; this can open the Wispr Flow app. Flow switches back to your app automatically in many apps (extended to more apps in version 1.63, July 2026); otherwise you swipe back Tap the orb; the first time, the Cerebro app opens for a moment, then you swipe back. The mic then stays ready for 10 minutes after each dictation
Where speech is processed In the cloud In the cloud, via Cerebro’s server in Germany to OpenAI (outside the EU)
Works offline No No
Tone and style Adapts tone and formatting for email, texting and more You pick a mode: Professional, Concise, Translate (30 languages), Casual, List, Clean, Email, or your own prompt
Personal words Dictionary and snippets Custom dictionary
Languages 100+ (Wispr’s figure) Detected automatically; many languages
App languages English English, German, French, Spanish, Italian, Dutch, Norwegian Bokmål, Swedish, Danish, European Portuguese, Brazilian Portuguese
Your data Account required; a setting controls whether your audio, transcripts and edits are used to improve Wispr’s models; “Dictation Cloud Storage” controls whether transcripts, audio and history are kept on Wispr’s servers; data is stored in the United States No account; audio discarded after transcription; transcriptions stored only on your iPhone; AI-mode text goes to Claude on servers that keep nothing; don’t dictate confidential details
App Store rating (US) 4.8 from about 15,800 ratings No ratings yet

Choose Wispr Flow if…

  • you dictate on a Mac, Windows PC or Android phone as well as your iPhone
  • you want tone and formatting adjusted for the app you’re in
  • you’d also like a meeting notetaker (Mac and Windows)
  • you prefer an established app with thousands of App Store ratings
  • about 1,000 words a week on iPhone is enough, so the free plan covers you

Choose Cerebro Keyboard if…

  • you only need voice typing on your iPhone and want unlimited transcriptions for less: $5.99 instead of $15 a month, or $47.99 instead of $143.99 a year
  • you don’t want to create an account
  • you want to pick the tone yourself, translate into 30 languages, or write your own AI modes
  • your iPhone runs iOS 17 or an iOS 18 version before 18.3
  • you’d like the app in German, French, Spanish, Italian, Dutch, Norwegian Bokmål, Swedish, Danish, European Portuguese, or Brazilian Portuguese

Questions about Cerebro Keyboard and Wispr Flow

Is there a free Wispr Flow alternative for iPhone?

Yes: Cerebro Keyboard is free to download with 20 transcriptions a month, and Apple Dictation is free and built into iOS. Wispr Flow’s own free plan includes 1,000 words a week on iPhone.

Cerebro Keyboard vs Apple Dictation →

Is Cerebro Keyboard cheaper than Wispr Flow?

Yes, for iPhone use: in the US App Store, Cerebro Pro costs $5.99 a month or $47.99 a year, and Wispr Flow Pro costs $15 a month or $143.99 a year (checked September 2026). Wispr Flow Pro also covers Mac, Windows and Android, which Cerebro Keyboard doesn’t offer.

Do Wispr Flow and Cerebro Keyboard work the same way on iPhone?

Largely, yes: both are third-party keyboards that need Full Access and an internet connection, and both may open their app to start the microphone, because iOS doesn’t give keyboards direct microphone access. The main differences are price, the account requirement and supported platforms.

Does Cerebro Keyboard work on Mac, Windows or Android?

No. Cerebro Keyboard is an iPhone app; if you need dictation on a computer or an Android phone too, Wispr Flow covers Mac, Windows, iPhone and Android.

Try Cerebro Keyboard free

20 transcriptions every month, no account needed.

Download on the App Store

Sources

Facts checked on

  1. Wispr Flow: Pricing
  2. Wispr Flow: AI Voice Keyboard on the App Store (US)
  3. Wispr Flow Help Center: Set up the Flow keyboard on iPhone
  4. Wispr Flow Help Center: Setup Guide
  5. Wispr Flow Help Center: Adapting to iOS 26.4
  6. Wispr Flow: Data Controls (last updated August 18, 2026)
  7. Wispr Flow Help Center: Security and privacy overview
  8. Wispr Flow: What’s new (iOS v1.63, automatic switch back)
  9. Apple Developer: Custom Keyboard (keyboards have no microphone access)
  10. Cerebro Keyboard on the App Store
  11. Cerebro Keyboard Privacy Policy

Wispr Flow is a trademark of Wispr AI, Inc. Cerebro Keyboard is made by Allonsy GmbH and isn’t affiliated with Wispr AI. Prices and features change; if something is out of date, email info@allonsygmbh.com and we’ll fix it.

Also compared: Cerebro Keyboard vs Apple Dictation