Start adding your appointments in Termin3 application easily accessible at any time and from anywhere you want. Make the best use of innovative technologies to support your day-to-day business.
How to schedule appointment
Schedule Appointments


Not all customers are on top of their calendar so they come late or even forget to show up! Termin3 helps you avoid wasting your most valuable resource – time. Automatic SMS reminders reduce no-shows and ensure more of your customers arrive on-time.
How to set a reminder
Appointment Reminders


Tired of entering same-old appointment again and again? When you schedule regular appointments, simply turn the repeat on and save your time for what you do best (or just enjoy the music).
How to schedule recurring appointment
Repeat Appointments


Termin3 resolves with style all appointment rescheduling and cancellation. Say bye-bye to pen and paper, countless scrapping, and confirmation checks.
How to reschedule appointment
Manage Appointments


Tailor-made Termin3 according to your wants and needs. Adjust working hours, services, customers etc.
How to add service
How to change working hours
Customize Appointments
Termin3 is always there for you – in a walk, commute, restaurant, on a break, travel… It works even when you’re gone offline or during phone call with the customer! Have an appointment scheduling tool that actually keeps up with the pace of your life.
How to schedule appoint. during incoming call
On the Move Appointments


Bring the power of Termin3 to your users and applications by integrating the Termin3 API.

Get support by email support@termin3.com

Termin3 APIs are HTTP-based RESTful APIs. API request and response bodies are formatted in JSON.

Termin3 RESTful APIs includes:

  • Authentication API
  • Appointments API
  • Domains API
  • Organizations API
  • Services API
  • Register/Login API
Termin3 APIDon't start from scratch


* No hidden fees.
** Now and forever.

Get it on Google Play


No it doesn’t, neither it will.
For now we cover Android versions 4.1+ (Jelly Bean, KitKat, Lollipop and Marshmallow, Nougat, Oreo). In the near future we plan to introduce also iOS and Web applications.
Yes! When scheduling appointment, choose regularly a predefined service and indicative time. Then in the last step, simply modify estimated service start and end time as you want.
Yes! If you skipped this step during setup, go to Menu > Your organization and update your working hours (“Extend working hours” in your Settings should also be disabled).
On Confirm/Edit Appointment screen, select and then choose Until specific Date or number of Occurrences. Review again how your recurring appointment is scheduled in the Summary.
You can have only one staff member with free Starter plan. Plan that enables you to invite and collaborate with multiple staff members is coming soon.

We strongly urge you to confirm your email in the week following registration, else your account will be deactivated and you’ll not be able to use it.

If you can’t remember or your email and password doesn’t work, feel free to drop us a message and we will help you.
We respect your privacy, so we don’t copy your contacts on our servers. Termin3  uses your existing contacts locally – to help you add a new client.
For some security reason Android requires you to first disable “Draw over other apps” permission before enabling all other permissions. After that, you can enable “Draw over other apps” again.
Email support is not included in the free Starter plan.  Nevertheless, feel free to drop us an email at support AT termin3 DOT com. We will answer if we’re not too busy making Termin3 great for you.
Made for all who frequently make appointments with clients, such as: freelancers, consultants, vets, dentists, doctors, therapists, massagists, chiropractors, nutritionists, hairdressers, beauty salons, tattoo pros, spas, trainers, sport rentals, yoga, dance studios, martial arts, golf trainers, fitness trainers, photographers, musicians, bands, babysitters, lawyers, teachers, computer technicians, sales, driving instructions, auto mechanic etc.