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Three fixed-scope service offerings for teams building production-grade Apple platform apps. Architecture audits delivered in 5 business days. MVP sprints shipped in 6–8 weeks. On-device AI integrations that keep 100% of user data on-device using Apple Foundation Models and Core ML — no external servers, no privacy compromise.

Audit delivery
5 days
MVP sprint
6–8 weeks
Data privacy
100% on-device
Entry price
€1,440

Verified Apple Baseline

  • Apple reports an active installed base of more than 2.2 billion devices. Source
  • Apple reports the US App Store ecosystem facilitated $406 billion in developer billings and sales in 2024. Source
  • Apple reports the App Store prevented more than $9 billion in fraudulent transactions. Source

Specialized Service Pages

SwiftUI consulting servicesiOS AI integration servicesmacOS app development studio

Service Offerings

Choose the engagement that fits your current needs.

AI-Native App Architecture Audit

Deep technical review + actionable roadmap

Best for: Startups preparing to scale their iOS product and needing a senior architecture review before expanding their engineering team.

Who this is for

  • •Teams with an existing iOS/Apple platform codebase
  • •Funded startups preparing to scale
  • •Products planning AI integration
  • •Apps with performance, sync, or architecture issues

Not for

  • •Idea stage with no existing code
  • •Budget under professional engagement level

What you get

  • Full system architecture assessment
  • Data layer & sync strategy review
  • AI readiness evaluation (on-device vs hybrid) per Core ML and Foundation Models guidelines
  • Performance & memory risk analysis
  • App Store Review Guidelines compliance risk check
  • Codebase structure review
  • Prioritized technical roadmap
  • 90-minute live walkthrough session

Final output:

Technical report + scaling strategy

Timeline

5 business days

Engagement model

Async-first, one live session

Investment

Starting from €1,440

Start a ProjectFull details →

Apple Platform MVP Sprint

From idea to working iOS app

Best for: Founders or startups that need a production-ready Apple platform product built quickly with proper architecture from day one.

Who this is for

  • •Funded startups
  • •Validated products with budget
  • •Founders who need a long-term technical base

Not for

  • •Prototype-only projects
  • •UI-only work
  • •Fixed hourly task outsourcing

What you get

  • Production-ready SwiftUI architecture
  • Core feature implementation
  • Scalable data layer
  • Local-first / cloud sync strategy
  • Auth & user model (if required)
  • CI-ready project structure
  • App Store–ready build

Core outcome:

A system that scales without rewrite

Timeline

6–8 weeks

Engagement model

Sprint-based, async collaboration, weekly milestone delivery

Investment

Starting from €8,400

Start a ProjectFull details →

On-Device AI Integration

Privacy-first AI features for iOS

Best for: Teams adding AI features to an existing product while maintaining performance and privacy on Apple platforms.

Who this is for

Not for

  • •Greenfield MVPs
  • •"Let's experiment with AI" projects

What you get

  • AI use-case definition workshop
  • Model strategy (local vs hybrid)
  • SwiftUI integration into existing architecture
  • Performance & memory optimization
  • Privacy-first implementation
  • Production-ready AI feature

Core outcome:

Real AI in production — not a demo

Timeline

3–5 weeks

Engagement model

Focused integration sprint

Investment

Starting from €5,400

Start a ProjectFull details →

How Engagements Work

Clear expectations, senior execution, no surprises.

Fixed scope. No scope creep.

Deliverables defined upfront. Changes require a new engagement.

Direct work with a senior engineer.

No project managers, no juniors, no handoffs. You work directly with me.

Async-first communication.

Updates via email/Slack. Live calls only when needed for technical alignment.

Long-term product thinking.

Code architected for evolution. Clear trade-offs documented. No technical debt shortcuts.

Project Fit

These engagements work best for specific teams and scenarios.

Good fit

  • •Funded startups building their first iOS app
  • •Privacy-first products needing on-device processing
  • •Complex data-driven apps requiring solid architecture
  • •Teams needing senior-level execution without hiring
  • •Validated product with clear decision maker

Not a fit

  • •Marketing websites or simple content apps
  • •Low-budget MVPs looking for the cheapest option
  • •Template customization or white-label solutions
  • •Projects requiring 24/7 support or immediate turnaround
  • •Early-stage idea validation without budget

Common Questions

How much does an iOS architecture audit cost?

€1,440. Delivered async over 5 business days with one live review session. You receive a prioritized roadmap, architecture assessment, and AI readiness evaluation.

What's included in the MVP Sprint?

Full SwiftUI architecture, Core Data or SwiftData persistence layer, CloudKit sync configuration, and an App Store–ready build. €8,400 over 6–8 weeks. Fixed scope, fixed price.

Do you work with non-technical founders?

Yes, if the product problem is defined. Technical decisions are explained in plain terms. You will understand what is being built and why — without needing to read Swift.

What happens after the MVP Sprint?

The codebase is yours, fully documented. A retainer for ongoing development or support is available on request. No lock-in.

Can I start with an audit before committing to a build?

Yes. The Architecture Audit is designed exactly for this — evaluate the technical approach before committing to a full build engagement.

Ready to Start?

Only 1–2 new sprint engagements are accepted per quarter.

New engagements start with a structured application to ensure strong product and technical alignment.

Start Your Application→View Upwork profile↗

Partnerships, press, or non-project inquiries

info@3nsofts.com