Terms of Service

AI Messaging Assistant

Last updated: October 10, 2026

1. Introduction

Welcome to Doppel. By accessing or using our service, you agree to be bound by these Terms of Service. If you disagree with any part of the terms, you may not access the service.

Doppel is an AI-powered messaging assistant that learns your communication style to help craft replies. We prioritize your privacy and data security.

2. Description of Service

Doppel provides:

Important: Doppel is not a replacement for you. Users must disclose to their contacts that they are using an AI assistant where legally or ethically required.

3. User Responsibilities

You agree that you will:

4. Privacy and Data

How Doppel handles your data is described in full in the Privacy Policy. In short:

Telegram Integration: Doppel acts as your personal Telegram client using the Telethon library. Your Telegram login session is stored encrypted so your bot can keep running; deleting your account ends it.

5. Subscription and Payment

Doppel operates on a subscription model:

Processing: Payments are processed securely via Stripe. We do not store payment card information.

Automatic renewal: Paid plans renew every month at the price shown at checkout until you cancel. The 14-day free trial turns into a paid subscription unless you cancel before it ends.

Refunds: Refunds requested within 14 days of a charge are handled by support by hand: write to [email protected].

Cancellation: You can cancel anytime through the dashboard. Cancellation takes effect at the end of billing period.

6. Model Usage & Credits

Doppel uses multiple AI models:

Rate Limiting: Reply limits are per calendar month and reset on the 1st.

Model Availability: If a model becomes unavailable, we will automatically use fallback models. No service credits for temporary outages.

7. Prohibited Uses

You may not use Doppel to:

8. Limitation of Liability

Doppel is provided "as is" without warranties of any kind. We do not guarantee:

Your use of Doppel is at your own risk. We are not liable for any consequences of AI-generated messages, including but not limited to miscommunication, offense, or platform violations.

9. Account Termination

We may terminate or suspend accounts that:

Upon termination, your data is deleted immediately; backup copies are gone within 14 days.

10. Changes to Terms

We reserve the right to modify these Terms at any time. We will notify users of material changes via email or in-app notification. Continued use after notification constitutes acceptance of new Terms.

11. Governing Law

These Terms are governed by the laws of Uzbekistan (or your residence if different). Any disputes will be resolved through arbitration in Tashkent, Uzbekistan.

12. Contact Information

For questions about these Terms, please contact:

Email: [email protected]

Telegram: @DoppelSupport

Response time: Within 24 hours

13. Disclaimer Regarding Telegram/WhatsApp

Doppel is not affiliated with, endorsed by, or in any way officially connected to:

All platform names, logos, and related marks are trademarks of their respective owners.


By using Doppel, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.