Vapi Alternative for AI Phone and Appointment Booking

Get a Ready-to-Use AI Voice Agent, Not a Developer Project

Zeeg is Europe's AI voice agent and appointment scheduling software, ready to use out of the box. No developer stack to assemble, no GDPR guesswork. Create your AI voice agent in minutes and automate inbound and outbound calls. GDPR compliant, hosted in the EU.
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4.9/5 ⭐⭐⭐⭐⭐

Over 20.000 individuals and companies trust Zeeg

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Why Zeeg

Sprachassistent-Symbol neben Praxismitarbeiterin am Telefon mit Notizen

Booking Built In, Not Built By You

Zeeg's phone booking, routing rules, and calendar sync come ready to use. With Vapi, appointment booking means writing custom tools and wiring your own webhook to a calendar API before a single call can be booked.

One Predictable Price, Not a Vendor Stack

Zeeg's per-minute rate is the full cost of your AI phone agent. Vapi's advertised rate only covers orchestration; speech-to-text, the language model, text-to-speech, and telephony are billed separately on top.
Mann arbeitet am Tablet neben Verfügbarkeitskalender und Schaltern

GDPR Compliant by Default, Not by Configuration

Zeeg is hosted in the EU and GDPR-compliant out of the box. Vapi processes data in the US by default, and a real Data Processing Agreement is only available on its Enterprise plan.

Integrations That Come Ready, Not DIY

Zeeg connects natively to your calendar, CRM, video conferencing, and payment tools. None of that exists in Vapi by default; every integration is something you build yourself.
Zoom, Google Calendar, Meet, WhatsApp, Teams, Apple, and Skype icons
Mann lächelt beim Telefonieren im Homeoffice neben einer Buchungskarte

No Engineering Team Required

Zeeg is ready to use the day you sign up. Getting a production-ready voice agent running on Vapi typically means contracts with several providers and ongoing engineering to keep it working.

One Assistant, Every Detail Under Your Control

Route bookings and call transfers to specific employees, add a knowledge base for FAQs, and write your own prompt, or let Zeeg help. Choose your voice, language, and number, then add email/SMS workflows and outbound campaigns.
Features

Everything Your AI Voice Agent Needs, Built In

Here's some of the main features that you can get today.

Inbound Calls

Zeeg answers every call automatically, handling questions and bookings in a natural conversation, day or night.

Outbound Calls (Campaigns)

Run outbound campaigns for reminders, follow-ups, and reactivation, at scale, without a separate dialer tool.

AI Phone Booking

Book appointments directly into Google Calendar, Outlook, Exchange, Apple Calendar, Proton, and more, straight from the call.

Live Call Transfer

Hand off to a real team member mid-call whenever the assistant can't finish the job on its own.

Lead Routing

Route callers to specific people or teams automatically, based on their actual answers, not a fixed script.

Workflows

Trigger automated follow-ups, reminders, and confirmations by email or SMS from any call or booking.

Knowledge

Give your assistant a knowledge base so it can answer real questions, not just book appointments.

Language & Voices

Choose your assistant's voice and language, then write your own prompt or let Zeeg help you build one.

Privacy & Compliance Controls

Fine-tune data retention, recording, and access settings to match your GDPR and compliance needs.
A detailed comparison

Zeeg vs Vapi

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Zeeg vs Vapi Comparison
FeatureZeegVapi
AI Phone Answering (Inbound) Ready to use, no setup required Core capability, but requires assembling STT, LLM, TTS, and telephony first
Outbound Call Automation (Campaigns) Built-in campaign tools for reminders and follow-ups Outbound calls possible via API; no native campaign or bulk-dialer tool
Live Call Transfer Hands off to a team member, built in Native transferCall tool with warm and cold modes, configured by you
Lead Routing / Routing Rules Zeeg: Ready to Use Routes based on the customer's actual answers Possible only through custom tool-calling logic you write yourself
Knowledge Base for Automated Answers Native file-upload knowledge base Native file-upload knowledge base
Natural Conversation Real-time, low-latency conversation, built in A core strength of the platform
AI Phone Booking (Into Your Calendar) Zeeg: Native Requires custom tools and a webhook to a calendar API
Calendar Integrations Zeeg: Broader Google, Outlook, Office 365, Exchange, Apple, Proton, CalDAV Google Calendar via a configured tool; other calendars need a custom webhook
CRM Integration Zeeg: Native Native CRM, plus Salesforce, Pipedrive, and HubSpot integrations No native CRM; requires a custom tool and API integration
Round-Robin Fair distribution across your team, built in Not a feature of voice infrastructure platforms; would need custom logic
Online Booking Pages Shareable booking page, ready to use No native booking page; requires a custom page and calendar webhook
Starting Price €10/user/month (scheduling), from €0.08/min (AI phone agent) $0.05/min platform fee (excludes STT, LLM, TTS, telephony)
GDPR / EU Hosting Zeeg: Included Germany & Netherlands, by default US-based by default; DPA only on Enterprise; full EU residency needs a self-hosted deployment

Quick take

Vapi is a developer-first voice AI platform, used by technical teams to build highly custom voice agents with fine-grained control over models, telephony, and call logic. It's a strong choice for teams with engineering resources who want to build something bespoke. That said, appointment booking, like many other features, isn't built-in: it has to be built using custom tools and a webhook to a calendar API. The advertised $0.05/min platform fee doesn't include speech-to-text, the language model, text-to-speech, or telephony, so the real cost will be higher.

Zeeg is built for teams that want a working AI voice agent assistant and scheduling software without assembling one themselves. Full call automation, booking, routing rules, calendar sync, CRM integrations, hosted in the EU and GDPR-compliant by default.

Zeeg verdict:
The right choice for businesses that want a complete AI phone assistant that's easy to deploy with a booking system—today, with EU hosting and one predictable price, without hiring developers to build it.

Vapi verdict: A good choice for technical teams that want full control to build a fully custom voice agent from scratch, and have the engineering resources and budget to maintain it.
Integrations

Connect with your favorite apps

Zeeg integrates with your business tools for the most advanced scheduling workflows.
Google Calendar logo

Google Calendar

Microsoft Outlook logo

Outlook Calendar

Microsoft Office logo

Office 365 Calendar

Microsoft Exchange logo

Microsoft Exchange

Apple logo

iCloud Calendar

Google Meet logo

Google Meet

Zoom logo

Zoom

Microsoft Team logo

Microsoft Teams

Skype logo

Skype

PayPal logo

PayPal

Stripe logo

Stripe

HubSpot logo

HubSpot

Pipedrive

Salesforce

Google Analytics logo

Google Analytics

Meta logo

Meta Pixel

Webhook icon

Webhooks

Okta logo

Okta

SSO icon

SSO / SCIM

Webex logo

Webex

Whereby logo

Whereby

Zapier logo

Zapier

Success stories from our users

See how teams save 10+ hours weekly
by combining scheduling, forms, and digital presence with Zeeg

Frequently asked questions

What's the difference between Zeeg and Vapi?
Zeeg is a ready-to-use AI phone assistant and scheduling system, no setup beyond signing up. Vapi is developer infrastructure for building your own voice agent, with appointment booking, CRM, and integrations all requiring custom development.
Does Vapi have built-in appointment booking?
No. Booking has to be built using Vapi's custom tools and a webhook to Google Calendar or your own API. Zeeg answers, qualifies, and books calls natively, with no development required.
How much does Vapi actually cost per minute?
Vapi advertises $0.05/min for its orchestration layer, but that excludes speech-to-text, the language model, text-to-speech, and telephony. Once those are added, real costs typically run $0.13 to $0.33+ per minute. Zeeg's rate starts at €0.08/min, all-in.
Is Vapi GDPR compliant?
Vapi processes data in the US by default and isn't certified under the EU-US Data Privacy Framework. A Data Processing Agreement is only available on its Enterprise plan. Zeeg is hosted in Germany and the Netherlands and is GDPR-compliant by default.
Do I need developers to use Vapi?
Generally, yes. Building a working voice agent on Vapi means writing custom tools, wiring webhooks, and often maintaining contracts with several separate providers. Zeeg works out of the box, no engineering required.
Does Zeeg have native CRM and calendar integrations?
Yes, Zeeg connects natively to Salesforce, Pipedrive, HubSpot, and calendars like Google, Outlook, and Exchange. Vapi has no native CRM or calendar integration; both require custom tool development.
Can Vapi handle outbound calling?
Vapi's infrastructure can support outbound calls, but it has to be configured and built, not switched on. Zeeg includes outbound campaigns for reminders, follow-ups, and reactivation, ready to use.
Is Zeeg a good fit if I'm not technical?
Yes. Zeeg is built for businesses, not developers: no code, no webhooks, no third-party contracts to manage. Just sign up and start booking.

Meet Zeeg, The AI Phone Assistant
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