Pricing guide · UK · 2026

Mobile app development cost in the UK, 2026. The honest pricing guide.

What an app actually costs in the UK in 2026 — by type, platform, feature and compliance — with the hour math in GBP and USD, the sources, and the eCorpIT vs London-agency comparison. No vague "from £40K".

A simple MVP from a London or Manchester agency in 2026 costs ~£25K–£65K ($30K–$80K). Mid-complexity with backend runs £65K–£120K. Complex enterprise with AI and compliance lands at £230K–£400K+. The same builds from eCorpIT cost the equivalent of £6K–£20K, £12K–£45K and £40K–£115K. The arbitrage is 55–65% on like-for-like work.

  • 55-65%savings vs UK agencies, like-for-like
  • ~£35eCorpIT senior rate /hr (vs ~£70 UK)
  • 14days to first shipped feature

The market

The UK market in plain numbers.

UK senior mobile engineers cost £50–£95 per hour in 2026 ($65–$120 USD) per Limeup and Nordstone. Mid-level UK engineers sit at £40–£70. UK agencies typically blend to ~£70/hour ($90/hour) for senior-led work, with a 10% PM overhead.

The fully loaded UK cost for a typical 800-hour build (a standard cross-platform app with payments) lands around £62K–£86K ($80K–$110K). The same scope through eCorpIT lands around £22K–£30K ($28K–$38K) — because the underlying senior rate is $44/hour rather than £70/hour.

All eCorpIT contracts are written in USD by default; we can invoice in GBP with no markup. GBP figures here use a rounded 1 GBP = 1.27 USD for May 2026 as a planning figure — treat the live exchange rate as the source of truth.

What moves the bill

Five real cost levers.

Ignore the marketing categories. Five things actually move the number.

  1. App complexity

    A simple MVP runs ~240 hours of senior engineering. A standard app with auth, payments and 10–15 screens runs 480. A complex multi-role real-time app with 20+ screens runs 800. Enterprise multi-tenant with AI runs 1,400+. This is where 80% of the variance lives.

  2. Platforms

    Single platform (iOS only or Android only) is the baseline. Native iOS + native Android is ~1.7× the hours — you build twice (Swift/SwiftUI and Kotlin/Compose). Cross-platform (Flutter or React Native) is ~1.15× because most of the codebase is shared.

  3. Backend depth

    A BaaS like Firebase or Supabase keeps the multiplier at 1.0. A simple custom backend in Node, Python or Go adds ~30%. A microservices backend with queues and a custom data layer adds 70%+. This is the lever most agency pitches misrepresent.

  4. Design fidelity

    A standard design system adds nothing. Custom bespoke design adds ~20%. Premium design with motion, illustration and a full brand system adds ~40%. The premium tier is real work, not a marketing add-on.

  5. Compliance overlay

    GDPR-aware design (the default under UK GDPR) adds ~15%. PCI-DSS-aware adds ~30%. The FCA-regulated layer for UK fintech adds documentation and audit overhead — typically 10–20% on top of PCI. SOC 2-aware for UK SaaS selling into the US adds ~25%.

Baseline

UK agency cost by app type — 2026 baseline.

App typeUK agency costHoursTimeline
Simple MVP, single platform £25K – £65K · $30K – $80K 240–320 6–10 wks
Mid-complexity app + backend £65K – £120K · $80K – $150K 480–640 10–16 wks
Complex multi-role app £120K – £230K · $150K – $290K 700–1,200 16–24 wks
Enterprise + AI + compliance £230K – £400K+ · $290K – $500K+ 1,200–2,500+ 24–40 wks
GDPR-aware D2C app +15% on baseline +50–120 +1–3 wks
FCA-regulated fintech app £100K – £400K+ · $125K – $500K+ varies 12–28 wks
AI / LLM-heavy app +20–50% on baseline +120–400 +2–8 wks

2026 ranges synthesised from Limeup, Nordstone and Business of Apps, verified against eCorpIT UK client engagements. Fintech ranges reflect FCA-aware development overhead.

Like-for-like

eCorpIT vs UK agency, same shipped app.

App typeUK agencyeCorpITSavings
Simple MVP, single platform £25K – £65K £6K – £20K (~$8K–$25K) ~60–70%
Mid-complexity app + backend £65K – £120K £12K – £45K (~$15K–$60K) ~55–60%
Complex multi-role app £120K – £230K £30K – £80K (~$40K–$100K) ~60%
Enterprise + AI + compliance £230K – £400K+ £40K – £115K (~$50K–$150K) ~60–65%
GDPR-aware D2C app £30K – £80K £8K – £25K (~$10K–$32K) ~65%
FCA-aware UK fintech app £100K – £400K+ £25K – £120K (~$32K–$150K) ~60–65%

The savings come from the rate-card differential, not scope cuts or junior backfill. The senior engineer profile is the same on both sides.

Price your build

Get your number in 90 seconds.

Eight questions. The estimate updates live and compares against UK and US baselines.

App complexity
Platforms
Backend
Design fidelity
Features · select all that apply
Compliance overlay
Engagement model
Target launch

eCorpIT estimate · USD

Answer the questions to see your estimate.

0 of 7 answered

US baseline equivalent

UK baseline equivalent

Timeline

Team size

Effort

Stack

Get a free 30-minute scoping call Send the full project brief

Ranges are directional, based on May 2026 industry benchmarks and eCorpIT's locked rate card. A formal estimate after the 60-minute discovery call typically lands within 15% of this output.

Transparent pricing

The eCorpIT UK rate card.

All-in: no recruitment fee, no setup fee, no per-NDA charge. Weekly invoicing, net 14. Default currency USD; GBP invoicing available with no markup. GBP figures at 1 GBP = 1.27 USD (May 2026).

TierExperienceFlutter / RNiOSAndroid
Junior1–2 years$22 (~£17)$24 (~£19)$22 (~£17)
Mid-level3–5 years$32 (~£25)$35 (~£28)$32 (~£25)
Senior6+ years$44 (~£35)$48 (~£38)$44 (~£35)
Lead / Architect8+ years$58 (~£46)$62 (~£49)$58 (~£46)

For a typical 6-month UK-bought MVP at 160 hours/month with one senior engineer, that is about £33K (eCorpIT senior at ~£35/hr) versus £67K at the UK midpoint of £70/hr. Same seniority, same shipped app.

How you work with us

Four engagement models.

Hourly

True Time & Materials

Weekly invoicing, minimum 40 hours/month, weekly demos. Best for short discovery sprints or maintenance.

Monthly

Dedicated · 10% off

160 hours/month, dedicated. 10% discount on the hourly rate. Pause with 30 days’ written notice. Best for active builds.

Quarterly

Pod · 480h · 15% off

3-month commit, 15% discount. Includes a shared designer (40h) and QA (40h) at no extra cost. Best for green-field product development.

Project

Fixed scope · fixed price

£6K MVP starting (cross-platform), £8K (iOS-only). We own scope, milestones and acceptance criteria. Best when the spec is well-defined and you want predictability.

No surprises

Included in every engagement.

The extras UK agencies bill as separate quote lines are baked into our rates.

  • Architecture review and technical design doc by a Lead before Sprint 1.
  • Code review by a second senior engineer on every pull request.
  • CI/CD pipeline setup (Codemagic, EAS Build, Xcode Cloud, GitHub Actions or your existing pipeline).
  • App Store and Play Store submission — provisioning, code signing, store listing copy and screenshots.
  • Crashlytics, Sentry or Bugsnag integration plus weekly crash reports.
  • Accessibility audit (VoiceOver, TalkBack, Dynamic Type, colour contrast, WCAG 2.2 AA) before submission.
  • Weekly demos and a written status note every Friday.
  • Founder review at architecture, mid-build and pre-release milestones.
  • ISO/IEC 27001:2022-aligned source-code handling and access controls.
  • UK GDPR and Data Protection Act 2018 alignment in default privacy and consent flows.

Not included unless quoted separately: Apple Developer Program ($99/year), Google Play Console (one-time $25), AI/ML model training, large-scale backend rewrites, and paid third-party SDK licences are quoted separately.

Real numbers

UK scenarios, priced.

Planning anchors — the same shape the calculator returns for common builds.

UK fintech MVP — Stripe + KYC + push, GDPR overlay, cross-platform

UK agency
£70K–£100K
eCorpIT
£22K–£32K
Savings
~68%

UK D2C app — catalogue + payments + loyalty + push, cross-platform

UK agency
£60K–£95K
eCorpIT
£20K–£30K
Savings
~67%

NHS-adjacent patient app — auth + records + booking + push, cross-platform

UK agency
£100K–£180K
eCorpIT
£35K–£60K
Savings
~65%

Enterprise workforce app — multi-role, offline-first, real-time, SOC 2 + GDPR

UK agency
£200K–£320K
eCorpIT
£70K–£110K
Savings
~65%

AI-heavy assistant app — LLM + RAG + voice + custom UX

UK agency
£170K–£290K
eCorpIT
£62K–£105K
Savings
~63%

The honest answers

What UK buyers worry about.

Time zones

Our Gurugram team overlaps with the UK from 9:30 AM–12:30 PM IST (5–8 AM London) and shares full working hours from 1 PM IST onward. This is the best offshore overlap available for UK clients, and we staff it deliberately.

GDPR & DPDP alignment

Default privacy and consent flows are designed against UK GDPR, EU GDPR and India’s DPDP Act simultaneously. The DPA references UK ICO standard contractual clauses where data leaves the UK, and we keep a documented data-processing register.

FCA-aware fintech work

We have shipped UK fintech apps with KYC, AML and customer-due-diligence flows that survived FCA-regulated client audits. We do not market ourselves as "FCA approved" — only the regulated firm can be — but we design and ship to make the audit straightforward.

IP protection

NDA within 4 hours of first contact. MSA and DPA before code. Source repository under your account. ISO 27001:2022 access controls. All work-for-hire, fully assigned to you on payment.

Onboarding speed

14 calendar days from NDA to a working build of your first user-facing feature. Miss the 14-day target, the first month is on us.

Procurement & security

CMMI Level 5, ISO 27001:2022, ISO 9001:2015, ISO 20000-1:2018, ISO 45001:2018, UK GDPR-aligned, DPIIT recognised, D-U-N-S #854367803. Documents shareable under NDA.

Where UK agencies still beat us — honestly

  • On-site presence. A London or Manchester agency can put a stakeholder in your office tomorrow. We fly senior staff for kick-offs and milestone reviews when the engagement justifies it, but day-to-day we are remote.
  • Brand familiarity for regulated procurement. A UK bank, insurer or NHS trust may need extra documentation cycles before approving an India-based vendor. CMMI 5 and ISO 27001 reduce this friction but do not eliminate it.
  • Same-day in-person crisis response. We are awake during UK afternoon hours and on-call at night. But if you need someone in your office that morning, that is a UK-agency problem to solve.

Procurement-ready

The credentials procurement checks.

  • CMMI Level 5 appraised
  • ISO/IEC 27001:2022
  • ISO 9001:2015
  • ISO/IEC 20000-1:2018
  • ISO 45001:2018
  • GDPR-aligned
  • DPDP Act compliant
  • DPIIT recognised
  • D-U-N-S® #854367803

FAQ

Questions, answered.

What UK teams ask before scoping a mobile app build.

How much does it cost to build an app in the UK in 2026?
£25K–£65K (~$30K–$80K) for a simple MVP, £65K–£120K for mid-complexity, £120K–£230K for complex multi-role, and £230K–£400K+ for enterprise with AI and compliance. Sources: 2026 data from Limeup, Nordstone and Business of Apps.
How much cheaper is eCorpIT than a UK agency?
55–65% cheaper on like-for-like work — same hours, same seniority, same shipped app. The arbitrage comes from a $44–$48/hour (~£35–£38) senior rate versus a £70/hour ($90) UK midpoint, not from cutting scope.
Is eCorpIT cheaper because of junior engineers?
No. The rate card is the senior tier. Junior engineers are $22–$24/hour and we use them rarely, under direct senior pairing. The engineer whose CV you interview is the engineer who ships.
What's the hourly rate for UK senior mobile developers in 2026?
£50–£95 per hour ($65–$120 USD) for senior Flutter/RN/iOS/Android, midpoint around £70 ($90). Source: Limeup’s UK app developer guide.
Will I get a GDPR-compliant app?
We design and ship with UK GDPR, EU GDPR and India’s DPDP Act alignment by default. "Compliant" attestation requires your DPIA and internal sign-off — we make that straightforward but do not stamp it ourselves. No credible vendor should.
What does it cost to build an FCA-aware UK fintech app?
£100K–£400K+ through a UK fintech specialist agency. £25K–£120K through eCorpIT, scoped against the same KYC, AML, customer-due-diligence and operational-resilience requirements. The arbitrage holds across the regulated layer.
What time zones do you cover for UK clients?
Our Gurugram team starts at 9:30 AM IST (5 AM London) and runs through 6 PM IST (1:30 PM London), with full overlap from 1 PM IST onward. The best offshore time-zone overlap available for UK clients.
Do you invoice in GBP or USD?
Default is USD with no markup. GBP invoicing is available, also with no markup. We structure either way to suit your finance team.
What is included in the eCorpIT price?
Design, PM, QA, code review, CI/CD, App Store and Play Store submission, weekly demos, founder review, ISO 27001-aligned source-code handling, and UK GDPR / DPA 2018 alignment in default flows. The extras most UK agencies bill separately are baked in.

Ready to scope your UK app build?

Open the calculator for a 90-second range, or book a 60-minute discovery call for the formal estimate within 24 working hours. Manu joins every call personally.