Air66
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    Build

    Web Design & DevelopmentWebsites that perform, not just look good.
    CRM & AutomationYour follow-up game? Flawless.
    AI & Data SystemsYour data, sorted. Your AI, sorted.
    App DevelopmentCustom iOS and Android apps, built around your business.
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Air66
  • Home
  • About
    • View all services
    • Marketing
    • Ads & SEOBe seen. Get clicks. Grow traffic.
    • Branding & ContentGive your business a brand people remember.
    • Social Media MarketingContent that connects. Strategies that scale.
    • Lead GenerationMore leads. Less chasing.
    • Build
    • Web Design & DevelopmentWebsites that perform, not just look good.
    • CRM & AutomationYour follow-up game? Flawless.
    • AI & Data SystemsYour data, sorted. Your AI, sorted.
    • App DevelopmentCustom iOS and Android apps, built around your business.
  • Case Studies
  • Insights
  • Contact
Air66

66 Airfield Way, Hucknall
Nottingham, NG15 6WZ

+44 115 968 1459

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Company Number: 11718812 • VAT Number: GB 312 9809 01

© 2026 Air 66 Design Ltd. All rights reserved.

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App Development

Your business.
In their pocket.

Custom iOS and Android apps for your customers, clients or team. Built around how your business actually works, and connected to the systems you already use.

Booking confirmedThu 10:00, Sarah P.Job sheet signed offJob #142, 3 photosInvoice paid£480.00Hi SarahNext bookingThu 10:00MANAGEHi SarahNext bookingThu 10:00MANAGEYour appointment is confirmedThursday at 10:00. See you then!CRMsyncedPaymentssyncedWebsitesyncedYour datasynced
Custom business app shown on iPhone and Android screens
The Problem

Off-the-shelf apps only get you so far.

Generic apps make you work their way. Your team juggles logins, your customers download something that doesn't feel like you, and nothing talks to anything else. A custom app fits your business, not the other way round.

CRMSynced just nowHi SarahNext bookingThu 10:00MANAGEJob #142 signed off3 photos added. Office updated.Your brandOn their home screen
441175 apps. 5 logins.Team updates47Has anyone updated the job sheet?Which version? There are 3Customer says nobody called backPhotos are on my phone, will sendTO DORe-enter jobs into CRMCopy bookings to sheetChase photos (again)
Before
After

Five apps that don't talk to each other

One app, built for your business

Customers stuck with clunky generic tools

Your brand on your customers' home screen

Team updates lost in WhatsApp groups

Real-time updates and push notifications

Manual data entry, twice

Everything synced with your CRM and systems

What's Included

From idea to App Store. Handled.

Custom app development for UK businesses, from the first sketch to the app stores and beyond. One team, start to finish.

Design & planning

We shape your idea into a clear plan with screens, features and user journeys, so you know exactly what you're getting before a line of code is written.

iOS & Android build

One build, both platforms. Fast, polished apps that feel at home on any phone, with the features your users actually need.

Launch & support

We handle App Store and Google Play submission, then keep your app updated, secure and improving after launch.

What You Can Build

What kind of app?

Customer apps

Bookings, loyalty, ordering, account management and push notifications. Keep your brand one tap away.

Team & field apps

Job sheets, checklists, photos, sign-offs and live updates from the field, synced straight back to the office.

Client portals

Give clients a secure place to see progress, documents, messages and invoices.

Data on the go

Put your dashboards, reports and AI tools in your team's pocket, connected to your business data.

Why Us

Why build your own?

Built for you

Every feature fits how your business works, with nothing you don't need.

Connected

Links to your CRM, website, payments and data, so there's no double entry.

On brand

Your logo and look on your customers' home screen, every day.

Built to grow

Add features as your business grows, without starting again.

Our Process

How we build your app

01

Discover

We get to know your business, your users and what the app needs to do.

02

Design

We map the screens and journeys, and you sign off before we build.

03

Build & test

We develop for iOS and Android, testing with real users as we go.

04

Launch & grow

We submit to the app stores, support your launch and keep improving.

Got an app idea? Let's make it real.

Tell us what you're thinking. We'll tell you honestly what it takes: features, timeline and cost. No jargon, no obligation.

Free. No obligation. Just practical advice.

FAQs

Got questions?
We've got answers.

Yes. We build for both from a single codebase, so you reach everyone without paying twice.

It depends on what it needs to do. After a discovery call, we'll give you a fixed quote with no surprises.

It depends on what the app needs to do, and simpler apps can be quicker. We'll give you a clear timeline up front.

Usually, yes. We connect apps to CRMs, booking systems, payment providers, e-commerce platforms and custom databases.

Yes. We manage the whole process for both the Apple App Store and Google Play, including meeting their review guidelines.

We offer ongoing support and maintenance, including updates, security patches, OS compatibility and new features as you grow.