Services · Mobile app development · Event apps

Event apps that run the same way in every US city on your calendar.

Codeeo handles event management app development USA organizers need when one program moves through many cities: national conferences, touring festivals, roadshows, association meetings and venue groups. We build registration, ticketing, check-in, agendas, exhibitor and sponsor tools, and staff apps on one platform, configured per city and per event, and designed to follow federal rules and the state laws that change as you cross state lines.

A national event business repeats itself with variations. The app should make the repeatable parts reusable and the local parts easy to change, so a new stop on the tour is a dashboard task rather than a new build. Attendees keep one account across every event, which also gives you a clearer view of who returns.

Built for
Associations, conference companies, touring promoters, venue and hospitality groups, and corporate event teams operating in several US states.
Typical timeline
Planned in discovery around your first event and the rest of the season, with releases and rollout order confirmed in writing.
What you own
Source code, app store accounts, attendee and ticket data, payment accounts and the admin platform, all under your company.
Rated
4.7 / 5 from 23 Google reviews

200+ companies across the US and the UAEFrom a first store to a listed developer

Modon
Majid Al Futtaim
HP
Belkin
Dulsco Group
OneClickDrive
Hanayen
HMS
Clocksprings
Ghezlan

What the platform can include

Features built once and reused across every city.

The American event business is spread across thousands of venues, from convention centers and hotel ballrooms to arenas, fairgrounds and campuses. Organizers who work nationally face the same problem at each stop: the program is familiar, but the venue, the time zone, the sales tax and some of the law are different. A platform built for one city tends to break when it meets the second.

We design for that from the start. Events sit inside a parent organization, each with its own venue, dates, currency settings, tax rules, language options and staff. Templates carry the parts you repeat, and a city profile holds the local details. Event registration app development USA programs need usually comes first, because it touches every attendee and every downstream report, followed by ticketing, check-in and exhibitor tools. Staff and sponsor features then follow in whatever order your season demands.

Explain your project
  • Multi-event platform and templates

    A parent account for your organization with events underneath, each cloned from a template and then adjusted. Branding, ticket types, agenda structure and email copy carry over; venue, dates and local notes change. Reporting rolls up across the whole season as well as per event. Permissions control which staff can edit which events.

    New tour stops launch from the dashboard, not from code.

  • Registration with complex attendee types

    Members and non-members, group and company registrations, speakers, exhibitors, press and staff, each with their own questions, pricing rules and approval steps. Registration data feeds badges, agendas, access control and reporting without being retyped. Saved profiles let returning attendees register for the next city in a few taps.

    One clean record for each attendee from sign-up to exit.

  • Ticketing that meets the FTC fee rule

    Since May 2025 the FTC Rule on Unfair or Deceptive Fees has required anyone offering live-event tickets to show the total price, including mandatory fees, whenever a price appears. Checkout is built so the first number shown is the full price, with government charges and optional extras disclosed clearly.

    Prices that hold up under federal rules in every state.

  • Payments and state sales tax

    Cards, Apple Pay and Google Pay through a PCI DSS compliant processor, with tax calculated per event location because rates and rules on admissions differ by state and sometimes by city. Refunds, transfers and payouts to partners run through the same flow.

    Correct tax lines without manual spreadsheets.

  • Wallet passes and offline check-in

    Tickets and badges delivered to Apple Wallet and Google Wallet, scanned by staff phones that keep working when venue networks struggle. Scans queue offline and sync when the connection returns, and duplicate or transferred passes are flagged at the door. Pass transfers between friends can be allowed or blocked per event.

    Fast entry at venues you have never worked in before.

  • Agendas across time zones

    Session times stored with the venue's time zone and displayed correctly to attendees wherever their phone is set, plus hybrid sessions for remote viewers in other zones. Reminders fire at the right local time, which matters when a tour crosses from Eastern to Pacific in a week. Organizers see each venue's local time in the dashboard too.

    No more attendees an hour early or an hour late.

  • Exhibitor and sponsor tools

    Exhibitor portals, lead retrieval from badge scans, sponsor placements and per-sponsor reports that compare performance across cities. National sponsors can buy a package for the whole season and see results for every stop in one view. Lead exports go straight to each exhibitor's CRM.

    Season sponsorship becomes easier to sell and renew.

  • Staff app and operations view

    A staff app for local crews and temporary workers with shift times, role briefings, task lists and incident reports, plus a national operations view that shows check-ins, sales and open issues for every live event at once. Head office can see a problem in one city while the local lead is still fixing it.

    Head office and local crews work from the same picture.

  • Messaging that respects consent

    Push notices, email and text messages with consent captured at registration. Marketing texts need prior express written consent under the Telephone Consumer Protection Act, and marketing email must follow CAN-SPAM, so consent records are stored with each attendee. Consent history is kept for each message channel.

    Communication that reaches people without legal risk.

  • Privacy controls by state

    Privacy notices, opt-outs and access and deletion requests that work under the growing set of state privacy laws, such as California's CCPA and CPRA, the Texas Data Privacy and Security Act and the Virginia and Colorado laws. One dashboard handles requests wherever the attendee lives. Attendee data is kept only as long as your retention policy says.

    Privacy requests handled the same way nationwide.

Who this is for

Four national event businesses we build for.

A national event app is not just a city app copied many times. Ownership, reporting and compliance all sit at the national level, while operations happen locally. The right first release depends on where your organization feels the strain today: registration at scale, ticket compliance, venue operations or sponsor reporting. Event mobile app developers USA organizations compare often show a fixed product; we start by mapping your season and building the platform around it. These four groups make up most of the national organizers we hear from.

01

Associations and national conferences

Annual meetings rotate between host cities, often with regional events between them. You need member pricing tied to your association management system, continuing education credits recorded by session scans, exhibitor tools and an archive of past meetings. We build a platform that keeps member history across years and host cities, so each new meeting starts with the lessons of the last one. Host city information, from hotel blocks to local transit, is loaded into each city profile by your meetings team.

Integration with the member database usually decides scope.

02

Touring festivals and live entertainment

Tours and festival brands move between amphitheaters, arenas and fairgrounds in many states. They need all-in ticket pricing that meets federal and state rules, accessible seats sold on equal terms, digital entry, cashless vendors and alerts tuned to each site. We make each tour stop a configured event, so the team on the road updates gates, set times and local rules from a phone. Fans keep one account for the whole tour, so a buyer in Denver is recognized again in Atlanta.

03

Venue and hospitality groups

Companies operating hotels, event spaces or entertainment venues in several cities need one app that guests use at any property, with bookings, tickets, dining reservations and loyalty in one account. We separate data and permissions by property while giving head office a combined view of sales and attendance. Opening a new property means adding a venue profile, not commissioning another app.

Property managers see their own venue; head office sees all.

04

Corporate event and roadshow teams

Sales kickoffs, customer roadshows and product tours repeat a format in many cities over a few months. Corporate teams need registration tied to the CRM, invitation approval by account managers, agendas, travel details and post-event surveys. Event planning app development USA corporate teams request usually ends with lead and attendance data flowing back to sales, which we plan from day one. Invitation-only events can hide from public search and require an access code.

From national brief to a platform in every city.

  1. 01Season mappingOver video calls we map your organization, event types, cities, venues, partners and systems, and decide which parts belong in the template and which in each city profile.
  2. 02Compliance reviewFee display, accessibility, privacy, messaging consent and sales tax are listed per state on your calendar, for your counsel to confirm before design starts.
  3. 03Platform designA design system that carries your brand across every event, with screens tested for accessibility and for use in crowded entrances and bright outdoor sites.
  4. 04Build and integrationsRegistration, ticketing, payments, CRM, member database and badge printing connected through APIs, with a staging event built from a real past program.
  5. 05Pilot eventWe launch on one event first, watch it closely, fix what real attendees reveal, and only then roll the platform out to the rest of the season.
  6. 06Rollout and improvementEach new city is configured from the template, and data across the season guides which features come next. Our team works remotely with US clients throughout.

Technology

What we build this with.

We select the stack around your existing registration, ticketing, CRM and member systems and the team who will manage the platform, and every account, from hosting to payments, is opened in your company's name. Where a partner system limits what we can do, we say so in discovery.

01Mobile

  • Swift
  • Kotlin
  • Flutter
  • React Native

02Data and cloud

  • PostgreSQL
  • MySQL
  • MongoDB
  • AWS
  • Azure
  • Docker

03Marketing and tracking

  • GA4
  • Google Tag Manager
  • Search Console
  • Meta Pixel
  • Looker Studio

Questions national organizers ask about event apps.

By starting with a pilot event and a reusable template.

Discovery maps every event type and city on your calendar, then we choose one event to launch first. The template, city profiles and integrations are built for that pilot, so the next events need configuration rather than new code. Timing depends on scope and the pilot date, and we write the release and rollout plan down before design starts. Later events can add features without disturbing the ones already live.

Tell us what the business needs. We will tell you what to build first.

Schedule a free consultation and get a written recommendation, with costs, before you commit to anything.

Get in touch

PROVEN RESULTS

4.7 / 5from 23 Google reviews