The #1 wedding planning app • TTO

Planners like you are

reimagining how they work

reimagining
how they work

Professional wedding planners are using That’s The One to save time, elevate their business and enjoy peace of mind when collaborating with couples.

Hear from wedding planners using TTO today

Our clients & guests come from around the world. The streamlined guestlist manager, seating plan & accommodation solution gives us hours back!

Nicole

Nicole Please Weddings

Our clients & guests come from around the world. The streamlined guestlist manager, seating plan & accommodation solution gives us hours back!

Nicole

Nicole Please Weddings

Planning is stressful and you want something simple and easy to help you stay organised. Planners, this is the one!

Charlotte

La Fete

Planning is stressful and you want something simple and easy to help you stay organised. Planners, this is the one!

Charlotte

La Fete

I’ve never seen anything like this in my 35 years in this industry. This is the glue that allows you to interface with the hotel, seating, guestlist, all in one place.

Colin

Colin Cowie Lifestyle

I’ve never seen anything like this in my 35 years in this industry. This is the glue that allows you to interface with the hotel, seating, guestlist, all in one place.

Colin

Colin Cowie Lifestyle

I love making my couples’ lives easy, and TTO brings it on with a time-saving, seamless wedding planning experience. Total game-changer!

Valentina

Wedding Alchemy

I love making my couples’ lives easy, and TTO brings it on with a time-saving, seamless wedding planning experience. Total game-changer!

Valentina

Wedding Alchemy

First & foremost, my clients love it! TTO has brought the fun back into planning with it's sleak features & intuitive interface.

Heather

Rendez-Vous Paris

First & foremost, my clients love it! TTO has brought the fun back into planning with it's sleak features & intuitive interface.

Heather

Rendez-Vous Paris

After the demo call with Kat I was immediately sold! Using TTO for my weddings & events has been an absolute joy.

Kiera

Little Things Events Australia

After the demo call with Kat I was immediately sold! Using TTO for my weddings & events has been an absolute joy.

Kiera

Little Things Events Australia

This alleviates the burden of guest logistics and delivers a great experience for the client, which is what matters most!

Holly

Wonderlust Events

This alleviates the burden of guest logistics and delivers a great experience for the client, which is what matters most!

Holly

Wonderlust Events

I’m a wedding planner, not a travel agent! Delegating guest accommomodation takes a huge weight off my shoulders.

Rebecca

Rebecca Marie Weddings

I’m a wedding planner, not a travel agent! Delegating guest accommomodation takes a huge weight off my shoulders.

Rebecca

Rebecca Marie Weddings

Since I found TTO, I have been using it with all my couples; for RSVP, guestlist, floorplan and guest accommodation!

Esteffi

Malaga Weddings

Since I found TTO, I have been using it with all my couples; for RSVP, guestlist, floorplan and guest accommodation!

Esteffi

Malaga Weddings

I don’t just plan the wedding but the entire experience around it - this is the first tool that helps me manage my couple & their guests.

Sabrina

Perez Wed

I don’t just plan the wedding but the entire experience around it - this is the first tool that helps me manage my couple & their guests.

Sabrina

Perez Wed

I can help my couples from beginning to the end of their planning journey and help them take care of their guests, all from one place!

Chantal

Serendipity Weddings Croatia

I can help my couples from beginning to the end of their planning journey and help them take care of their guests, all from one place!

Chantal

Serendipity Weddings Croatia

This levels up my business. Having TTO is amazing for my business because it helps me look professional and get answers to client questions quickly.

Taffy

Ziminspired

This levels up my business. Having TTO is amazing for my business because it helps me look professional and get answers to client questions quickly.

Taffy

Ziminspired

Doing destination weddings means we often don’t have access to live rsvp and dietary information. This is a wedding planner’s dream come true.

Ines

Dubrovnik Event

Doing destination weddings means we often don’t have access to live rsvp and dietary information. This is a wedding planner’s dream come true.

Ines

Dubrovnik Event

Previous software I looked at didn’t have this “intuitiveness” about it. This immediately made sense to me. I’m excited to show this to my couples!

Vanessa

Harness & Co

Previous software I looked at didn’t have this “intuitiveness” about it. This immediately made sense to me. I’m excited to show this to my couples!

Vanessa

Harness & Co

20% More Profitable, 30% Less Admin
Charlotte’s Story with TTO

20% More Profitable, 30% Less Admin
Charlotte’s Story with TTO

“That’s The One has completely transformed my business. I’ve reduced admin by 30%, grown profits by up to 20%, and no longer need admin staff to help me manage my events & logistics. Most importantly, my clients now enjoy a seamless, high-end planning experience that drives more referrals and bookings—without extra effort or cost.”

- Charlotte, Founder of La Fête

Read Charlotte's Story