A Calendly alternative that is GDPR-compliant, on your own domain, with automatic slot recovery
Calendly books appointments. TerminJet books appointments, runs white-label on your own domain with EU hosting, and refills cancelled slots automatically from a waitlist via WhatsApp or SMS. Set up by an agency, not by you.
TerminJet and Calendly side by side
Calendly is a solid booking tool. For European teams, though, it is missing three things: a fully localised interface, EU hosting under your control, and a mechanism that wins cancelled appointments back. Here are the differences laid out honestly.
| TerminJet | Calendly | |
|---|---|---|
| Interface and support in your language | English-first, partly translated | |
| Hosting in the EU / Germany | US provider, data in the US | |
| White-label on your own domain | Booking on a calendly.com URL | |
| Refill cancelled slots automatically | ||
| Consented waitlist via WhatsApp / SMS | ||
| Set up by an agency | Self-service | |
| Your own instance instead of shared SaaS | Shared tenant | |
| Embeddable intake form via iframe |
A cancellation is no longer a lost appointment
With Calendly the story ends at the booking. If someone cancels, the slot stays empty until somebody happens to book it again. TerminJet spots the open gap instantly and offers it automatically to the right people on your waitlist, the ones who agreed in advance to be contacted. Whoever confirms first gets the appointment.
What TerminJet delivers beyond plain appointment booking
Fully localised
Booking flow, confirmations, reminders, and support in clean, professional language. No half-translated menus, no English fine print for your customers.
On your own domain
The booking runs under your address, not on a third-party portal URL. Your branding, your domain, your data. Customers never notice there is a system behind it.
EU hosting and encryption
Run on German servers at Hetzner, sensitive data AES-256 encrypted, built GDPR-aware with documented consent instead of data in the US.
Automatic slot recovery
The slot recovery engine refills cancelled and missed appointments on its own from the waitlist. Exactly what Calendly cannot do.
Embedded intake form
An iframe form on your website feeds appointments and waitlist straight into the engine. No isolated tool, no double data entry.
Set up, not just shipped
An agency sets up branding, appointment types, and recovery rules for you. You do not configure it yourself, you get a running system.
Data in the EU, instance in your hands
Run on Hetzner servers in Germany. Your appointment and contact data never leave the EU.
Sensitive data is stored AES-256 encrypted. The setup is designed to be GDPR-aware.
Contact for recovery only goes to people who have verifiably agreed to be reached via WhatsApp or SMS.
You get your own system on your own domain, not a shared SaaS environment with other customers.
Frequently asked questions about the Calendly alternative
Is TerminJet a genuine localised Calendly alternative?
Yes. Booking flow, reminders, confirmations, and support are fully localised. Unlike partly translated tools, your customers see no leftover English fragments.
Where is the data hosted?
On servers in Germany at Hetzner, so within the EU. Sensitive data is stored AES-256 encrypted and the system is built GDPR-aware. With Calendly the data sits with the US provider.
Does the booking really run on my own domain?
Yes. TerminJet is white-label and runs as your own instance on your domain with your branding. It is not a shared portal like Doctolib or Treatwell, and not a third-party booking URL.
What exactly can TerminJet do that Calendly cannot?
Automatic slot recovery. If someone cancels or does not show up, TerminJet offers the free slot automatically to the right people from a consented waitlist via WhatsApp or SMS. Calendly books the appointment but does not win a gap back.
Do I have to set up the system myself?
No. An agency sets up branding, appointment types, and the recovery rules for you. On the Start plan you launch without customisation, on Pro and Scale we take on branding, the engine, and on request bespoke customisation and ongoing development.
Can I embed the booking form in my website?
Yes. The embeddable intake form is added to your site via iframe and feeds appointments and waitlist straight into the engine, with no double data entry.
Test the booking flow that replaces Calendly
This is the intake form that runs on your own domain and feeds the recovery engine. Enter a test request and watch the flow.