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Swift Development · Exeter

Swift Development in Exeter

Building Apple platform applications in Swift for Exeter organisations, where one early decision constrains everything that follows. The minimum operating system you support determines which frameworks and APIs are available — so supporting older devices is not a compatibility detail, it is a choice about which tools your developers may use for the next several years.

Why this comes up

The problem

The app must support an operating system three versions old, and half the intended architecture depends on APIs introduced after it.

What you get

What we deliver

  • Minimum supported version decided from your actual user data, not from instinct
  • Framework choices made against what that version permits
  • Concurrency handled with the modern model where the deployment target allows
  • Value and reference semantics used deliberately, since the distinction matters
  • Availability checks used where newer APIs are worth adopting conditionally
  • The support decision revisited annually rather than set once and forgotten

Want this scoped for your business in Exeter?

Thirty minutes, no charge, no sales script. You leave with a written summary of what swift development would actually involve — whether or not you use us.

Book a 30-minute call

Working in Exeter

South West

Exeter is the commercial centre for a very large rural catchment, so businesses here routinely serve customers spread across Devon rather than a compact urban area, and travel time is a real cost in every quote.

Field service scheduling and routing for businesses covering a wide rural patch, plus professional services systems.

Sectors we work with in Exeter

  • Higher Education
  • Professional Services
  • Healthcare
  • Retail
  • Environmental Science

What we work with

Technologies and platforms

  • Swift
  • SwiftUI
  • Xcode
  • Combine

Who we work with

Industries we serve

  • Retail
  • Financial services
  • Healthcare
  • Media companies
  • SaaS businesses

Why us

Why Exeter businesses choose Asionis

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

How we work

  1. Step 1

    Free consultation

    A 30-minute call to understand the problem. You keep the written summary either way.

  2. Step 2

    Proposal

    Scope, timeline and a fixed price, in writing, before anything starts.

  3. Step 3

    Build

    Short cycles with regular check-ins, so you see progress rather than hear about it.

  4. Step 4

    Launch and support

    We handle the go-live and stay available afterwards.

Swift Development in Exeter — common questions

How should we choose a minimum version?
From how your users' devices are actually distributed, which you can measure. Supporting an old version to reach a small percentage of users costs development effort on every feature thereafter, and that trade should be made with the numbers in front of you.
What does it actually cost to support older versions?
Access to newer frameworks and language features. Modern concurrency, newer interface components and platform capabilities all have availability requirements, so an old minimum means writing more code by hand and maintaining alternative paths.
Can we adopt newer APIs conditionally?
Yes, with availability checks, and it works well for isolated features. It works less well for architectural choices — a concurrency model or a user interface framework cannot reasonably be conditional across the whole application.
How often should this be revisited?
Annually, around the platform release cycle. Adoption of new operating system versions is rapid on these devices, so a minimum set two years ago is frequently excluding almost nobody while still constraining every decision the team makes.
Do you work with businesses across Devon?
Yes. We are based in Leicester, United Kingdom and work with clients throughout South West, including Exeter and the surrounding Devon area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Exeter businesses do you usually work with?
Field service scheduling and routing for businesses covering a wide rural patch, plus professional services systems. Beyond that we work across Higher Education, Professional Services, Healthcare, Retail and Environmental Science.
Do you cover the areas around Exeter?
Yes — we work throughout South West, including Plymouth, Truro, Bristol. Exeter is an urban area of roughly 130,000+, and we take on work across the wider Devon region rather than the city boundary alone.

Talk to us about Swift Development in Exeter

A 30-minute call with someone who would actually work on it. No sales script, no obligation.

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

Or reach us directly

07707 771599admin@asionis.com

Leicester, United Kingdom