Do I need to install an app?

No. Günther works entirely within WhatsApp — you just chat like with a contact. No download, no separate account.

How secure is my data?

Your data is processed GDPR-compliantly. Conversations are encrypted and automatically deleted after 30 days. You can delete all data at any time via /forget.

Can I cancel anytime?

Yes, anytime. No subscription lock-in, no notice periods. The Free plan stays free forever.

What AI powers Günther?

Günther uses OpenAI GPT-4.1-nano for text, SuperSpeech for ultra-fast voice transcription, and FAL AI for image generation. All in one WhatsApp chat.

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Transcribe voice messages – directly in WhatsApp

Q: Which languages are supported?

Günther responds in German and English. The translation feature supports over 50 languages. You can change the language at any time with /language.

Forward any voice memo to Günther and get the text back in seconds. EU-based, encrypted, auto-deleted after 30 days.

Quick facts at a glance

Speed: ~166x real-time (1 min audio = ~0.4 sec)
Accuracy: High for clean DE/EN audio
Data flow: WhatsApp → Günther backend (EU) → SuperSpeech (EU)
Privacy: Encrypted, deleted after 30 days
Formats: All WhatsApp audio formats natively

How it works

Save the contact

Save Günther (+49 155 10800104) as a WhatsApp contact. No download, no separate account.

Forward or record a voice memo

Forward any voice message to Günther, or send your own memo into the chat.

Get transcription in seconds

The text typically comes back in under 2 seconds — about 1 second per minute of audio.

Reuse: summarize, PDF, translate

Ask directly in chat for a summary, reformatting, translation, or PDF export.

What you get

✓EU-based processing via SuperSpeech on Apple hardware
✓Fallback to Whisper during maintenance
✓GDPR-compliant, encrypted at rest, 30-day auto-deletion
✓Native German and English recognition
✓No per-message minute cap (within plan allowance)

Pricing

FREE: 5 audio minutes/month. BASIC: 30 min. PREMIUM: 120 min. Text chat is unlimited on every plan.

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FAQs

Which languages are supported?

Native German and English. Other languages also work via the underlying Whisper-compatible model.

How much does transcription cost?

FREE plan: 5 min/month. BASIC (€2.99): 30 min. PREMIUM (€9.99): 120 min.

Is this GDPR-compliant for business use?

Yes. Processing happens in the EU, data is encrypted at rest, and auto-deleted after 30 days. A DPA (Auftragsverarbeitungsvertrag) is available on request.

What about long audio?

Multi-minute recordings transcribe in one pass. Very long recordings are automatically segmented.

Can I summarize the transcription right away?

Yes. Just reply 'summarize this' in the same chat and Günther returns a concise summary.

Try it free now

No download, no setup. Just start chatting in WhatsApp.

Start chatting View pricing