Question 1

Do I need to install an app?

Accepted Answer

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

Question 2

How secure is my data?

Accepted Answer

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.

Question 3

Which languages are supported?

Accepted Answer

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

Question 4

Can I cancel anytime?

Accepted Answer

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

Question 5

What AI powers Günther?

Accepted Answer

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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