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Developers who understand events

Your vision,working on site.

Our developers also plan and run events. We build check-in, booking and interactive experiences.

Tell us about your event Build a setup & request a quote

At Kakao Pay Unboxing Day,
three developers were there on site.

We built check-in, booking and calling, and quiz printing systems. During the event, our developers handled change requests and technical issues in person.
Read the full project story ↗

The systems we built. The events they served.

Kakao Pay Unboxing Day

2026
A staff member holds a PDA against an attendee's yellow NFC badge to identify their team

ON SITE

A call brings the team back. A badge confirms entry.

Attendees receive calls on their phones. Staff scan the badge and confirm entry.

An attendee's phone shows a Tarot Station entry call and a button to view their bookings

Full attendee call screen · Recreated operating UI with sample data
View full-size image (new tab) ↗
How we built booking and entry

Clients and venues we worked with

An operations partner with direct-award university event experience

zzzarit has delivered academic and educational events for multiple universities, including Yonsei and Ajou, through direct-award contracts. See our work across pre-registration, badges, event systems, and on-site operations: Yonsei Physician-Scientist Workshop · Ajou University IPE Program.

Choose by the work

What should work better at your event?

Start with the job closest to your event. Each service page shows a working demo and the delivered scope before you request a quote.

01

Register and run the event

Organize the repeat work behind applications, entry, bookings, and event workforce records.

A guest checking their place in the entry waiting list on a phone at Woori MomoCon 2026
Woori MomoCon 2026 · Mobile waiting entry for 3,000 ↗
QR registration & check-inzzzarit configures event registration systems that connect pre-registration rosters, forms and walk-ins to QR check-in and badge issuance. We scope individual or team attendance and NFC-assisted program arrival checks around the event.Activity & meeting bookingConfigure session capacity, individual or team booking limits and age rules for activities and meetings. Connect attendee booking with staff PDA calls and NFC-assisted arrival checks, with host assignment where needed.Temp staff recordsIndividual submission links, shifts, assignments and records required for payment processing are collected and organized in one operator view.
02

Create the on-site experience

Shape attendee touchpoints, choices, networking, and large-screen moments around the event journey.

An attendee using the quiz kiosk at Kakao Pay Unboxing Day 2026
Kakao Pay Unboxing Day 2026 · Quiz kiosk experience ↗
Quiz & experience kiosksWe develop brand quizzes, diagnostics, photo booths and mini-games with hardware and setup. Connect scores and feedback to receipt-style results, prize collection or a pass for the next activity.Live display wallWe moderate and aggregate messages, choices or results from mobile and kiosk inputs, then turn them into a large-screen scene.NFC badge networkingTapping an NFC badge opens the profile, company details and materials its owner chose to publish. Exchange records require a separate attendee identification and consent flow.Experience Records & Live RankingsZZZARIT plans wristband check-in, activity records for running and score-based games, and results by email or kiosk. We coordinate with game rental providers and confirm build scope after equipment testing.Game-Based Stamp Tour Development for Festivals and DestinationsVisitors use their own phones to follow missions and progress, while organizers prepare the route, completion rules and on-site guidance.
03

Publish and capture the event

Build the event website, contest intake, and booth-meeting records that need to remain before and after the day.

Attendee registration being handled at the Kakao Pay Unboxing Day 2026 check-in counter
Kakao Pay Unboxing Day 2026 · On-site check-in ↗
Event website & registrationWe build a mobile-first site for the event overview, agenda, speakers, directions and registration.Contest operationszzzarit builds contest management systems for universities, institutions, companies and event agencies in Korea: applications, entries, judge assignments, evaluations and results. We configure our existing platform for one contest and an agreed usage period.Booth meeting lead recordszzzarit's booth meeting lead records let trade show organizers capture each booth meeting with one tap, then receive per-meeting summaries and booth outcome sheets on the same day.
Hotel registration & badge-printing setup →Open the complete demo index →Compare all service scopes →

TWO SIDES OF THE EVENT

Make operations easier. Make the experience richer.

We design operations systems that reduce repetitive work for organizers and on-site experiences that shape what attendees do and remember.

Registration desk and attendee badges at the Yonsei Physician-Scientist Workshop
Easier operations

One flow for repetitive work and day-of changes

Connect pre-registration, entry, bookings, seat and consultation assignments, and operator checks in one operating flow.

  • Pre-registration and QR check-in
  • Booking, seating, and consultation assignment
  • Operator dashboards and staff paperwork
See the registration & check-in system
Attendee using a TENT Seoul kiosk at the 1st Fortune Expo
Richer experiences

Create a scene attendees act on and remember

Design kiosks, photo content, NFC networking, and large displays around the event goal and attendee flow.

  • Interactive kiosks
  • Photo and print content
  • NFC and display walls
Go to Experience

REPRESENTATIVE CASES

See how it works through representative cases

Kakao Pay's check-in, booking and quiz operations, Woori MomoCon's mobile waiting entry for 3,000, and hotel coordination, badges and registration support at the Yonsei workshop. See the systems and operations we delivered.

View the portfolio →
Kakao Pay Unboxing Day 2026
INTEGRATED EVENT SOFTWARE

Kakao Pay Unboxing Day 2026

We built QR and NFC check-in, booking, calling and entry management, and a quiz with receipt printing. Three developers handled changes and technical issues on site.

DELIVERED SCOPE

QR and NFC check-in · booking, calling and entry · quiz and receipt printing · three developers on site

View the Kakao Pay case →
Woori MomoCon 2026 mobile waiting
Large-scale entry

Woori MomoCon 2026 mobile waiting

An audience of about 3,000 entered the second-half concert through a mobile waiting list instead of a queue. We built QR registration, automatic letter groups, AlimTalk entry calls and the operator screens, and ran the sends on site.

Scope

QR waiting list · Letter-group assignment · AlimTalk calls · Operator screens · On-site operations

View the Woori MomoCon case →
Yonsei Physician-Scientist Workshop
WORKSHOP OPERATIONS

Yonsei Physician-Scientist Workshop

Hotel coordination, table layouts, badge production, registration and cancellation inquiries, and on-site workshop operations.

DELIVERED SCOPE

Project and hotel coordination · table layouts · badges · attendee support

View the Yonsei workshop case →

CLIENT FEEDBACK

What project owners told us

Read what project leads told us from the contract discussion stage through delivered on-site operations.

Developers who understand events

“I started the consultation expecting a development company, but the conversation felt like talking to an event agency.”

Event lead at a startupConsultation feedback during an active contract discussion

“I was too busy to explain everything in depth, but they identified what I actually wanted before I could spell it out.”

Project lead at a mid-sized companyConsultation feedback during an active contract discussion

Delivery you do not have to supervise

“I thought they would come as staff, set things up and be done. Instead they stayed on site the whole time, worked in what the client said along the way, and kept raising the quality to the very end. It cost about the same as bringing in part-time staff, but there were no errors, so we will work with them again.”

Director Kim, event agencyFeedback from on-site delivery at Kakao Pay Unboxing Day 2026The cost comparison is the director's impression of this event, not current or standard pricing.

“Even when I had to step away from the venue, zzzarit kept everything moving. I could genuinely trust them to handle it.”

Event lead at Ajou UniversityFeedback from delivered on-site operations

“Once a part is assigned to zzzarit, you do not have to keep worrying about it.”

Event lead at Yonsei UniversityFeedback from delivered project work

Consultation feedback comes from prospective clients still discussing a contract, while project feedback comes from clients whose on-site work was delivered. We show only an anonymized company scale and role, and edit spelling and sentence flow without changing the meaning.

CHOOSE YOUR NEXT STEP

Start at the next step that fits your event

Choose the needed items and request an emailed quote when the setup is clear. If it is not, work through the event intent and attendee journey with a planner.

Work it out together

When you are not sure what to choose first

Tell us the event goal, attendee journey, and on-site variables. We will help define the functions and operating scope.

Talk with an event planner

We also handle full operations for smaller events such as seminars and workshops.

Explore full operations for small events →