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

We are huge fans of TTO. The team is fast to reacting to feedback and our clients are so impressed with us! It's professional and makes our live easier.

Lucette

House of Luce (Italy & Abroad)

We are huge fans of TTO. The team is fast to reacting to feedback and our clients are so impressed with us! It's professional and makes our live easier.

Lucette

House of Luce (Italy & Abroad)

TTO is doing amazing things for the wedding industry! We love the software & support offered to our team.

Olivia

Olivia Buckley (Ireland)

TTO is doing amazing things for the wedding industry! We love the software & support offered to our team.

Olivia

Olivia Buckley (Ireland)

We've been using TTO for over 2 years and all our clients love it. It's got a modern & clean aesthetic and is super easy to use.

Josh

Josh Tully (France & Abroad)

We've been using TTO for over 2 years and all our clients love it. It's got a modern & clean aesthetic and is super easy to use.

Josh

Josh Tully (France & Abroad)

We switched over from Aisle Planner & haven't looked back. TTO is incredibly user-friendly and has elevated the way we present ourselves as professionals.

Linda

Pinnacle Weddings Charleston (USA)

We switched over from Aisle Planner & haven't looked back. TTO is incredibly user-friendly and has elevated the way we present ourselves as professionals.

Linda

Pinnacle Weddings Charleston (USA)

TTO helps me to deliver a 10/10 on-brand planning journey that is seamless, transparent and professional.

Rebecca

Rebecca Marie Weddings (UK & Abroad)

TTO helps me to deliver a 10/10 on-brand planning journey that is seamless, transparent and professional.

Rebecca

Rebecca Marie Weddings (UK & Abroad)

I absolutely love the TTO features compared with what we had with Aisle Planner.

Vicky

Vicky Rahmic (Australia)

I absolutely love the TTO features compared with what we had with Aisle Planner.

Vicky

Vicky Rahmic (Australia)

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

Charlotte

La Fête (UK & Abroad)

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

Charlotte

La Fête (UK & Abroad)

Thank you for the amazing system!! We LOVE LOVE LOVE all the features you have and continue to launch.

Rach

Whatever Is Lovely (US)

Thank you for the amazing system!! We LOVE LOVE LOVE all the features you have and continue to launch.

Rach

Whatever Is Lovely (US)

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 (US & Abroad)

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 (US & Abroad)

Thank you so much TTO team- we love it so much! We are always promoting it to planners around us.

Mónika

Dos Santas (Spain & Abroad)

Thank you so much TTO team- we love it so much! We are always promoting it to planners around us.

Mónika

Dos Santas (Spain & Abroad)

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 (Poland)

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 (Poland)

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 (France & Abroad)

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 (France & Abroad)

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 (Croatia)

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 (Croatia)

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)

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

Nicole

Nicole Please Weddings (China & Abroad)

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

Nicole

Nicole Please Weddings (China & Abroad)

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)

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