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// Design

App Interface Design Systems

Without a design system, every new feature is a new negotiation. We build mobile design systems that give your product team a shared language, components, patterns, tokens, and guidelines, that accelerate delivery and maintain quality at scale.

// Key benefits

What makes this service valuable

Token-based foundations

Design tokens for colour, typography, spacing, elevation, and border radius are the foundation. Changes propagate across the system automatically, making brand evolution manageable.

Component documentation

Every component is documented with usage guidelines, dos and donts, variant specifications, and accessibility notes. Engineers and designers use the same source of truth.

Engineering integration

Design systems live or die by engineering adoption. We structure our mobile design systems for clean handoff to Swift, Kotlin, React Native, or Flutter, with component naming that maps to code.

// Details

Building the foundation, not just the features

A mobile design system is a product within a product. It requires the same strategic thinking as any product, what problems does it solve, who are its users (designers and engineers), and how will it evolve over time.

We build mobile design systems in Figma using Variables and Auto Layout to create components that behave as development-ready specifications. The system covers foundations, components, patterns, and documentation in a single library.

// What this includes

  • Colour token system with semantic naming
  • Typography scale with platform-specific adjustments
  • Spacing and grid token system
  • Core component library (50+ components)
  • Navigation patterns documentation
  • Form and input components with all states
  • Usage documentation and contribution guidelines

// Deliverables

What you receive

Every engagement produces clear, documented deliverables. Here is exactly what is included in our app interface design systems service.

  • 01Design token specification (colour, type, spacing, elevation)
  • 02Figma component library with 50+ documented components
  • 03Pattern library for navigation, forms, and data display
  • 04Design system documentation and usage guidelines
  • 05Engineering handoff guide with token-to-code mapping
  • 06Design system governance and contribution process

// In practice

How app interface design systems engagements run

Mobile design systems define typography scales, 8pt spacing grids, and component states in Figma with dev-mode specs. Tokens export to JSON for iOS SwiftUI and Android Compose — or React Native StyleSheet. Versioning policy: breaking token changes require migration notes for app teams.

// Stack & frameworks

Stack we use for this

Research & strategy

  • User interviews
  • Analytics audit
  • Jobs-to-be-done mapping
  • Competitive UX review

Design systems

  • Figma variables
  • Component libraries
  • Design tokens
  • Accessibility annotations

Validation

  • Moderated usability tests
  • Prototype iteration
  • Conversion funnel review
  • Dev QA partnership

// Delivery

Simplileap execution framework

01

Architecture mapping

Dependencies, API contracts, compliance constraints, and performance budgets documented before sprint one.

02

Secure sprints

Two-week increments with GitHub access, demo recordings, and QA checkpoints, client visibility at every stage.

03

QA & handover

Automated tests on critical paths, security review, runbooks, and knowledge transfer to your team.

// Proof

Real deployments from Bangalore

Facilities management operator

Challenge
Field inspectors struggled with glare, gloves, and unclear offline sync states.
Simplileap solution
Platform-specific patterns, thumb-zone actions, and explicit sync status design.
Outcome
Checklist task time down 38% in pilot cohort.
Read full case study ›

// Engagement models

How teams engage us

Currency
PackageIdeal forInvestmentIncludes
UI/UX auditConversion lift₹75K – ₹2L
  • · Heuristic review
  • · CWV benchmark
  • · Funnel analysis
  • · Prioritised fix roadmap
Website or app design / redesignNew launches₹75K – ₹12L
  • · UX research
  • · Wireframes & UI
  • · WordPress / Next.js build
  • · CMS handover
Design system buildScale-stage SaaSScoped within design engagement
  • · Figma library
  • · Component specs
  • · Accessibility notes
  • · Dev handoff

// Company and service positioning

Company and Service positioning is reviewed for production delivery standards by Harsha Parthasarathy (Co-Founder, Strategy & Operations 24+ years IT veteran, IBM, Global Delivery, Program Management) and Keshav Sharma (Co-Founder, Engineering and Lead Architect, Full-stack engineering, product delivery and technical standards).

// Verified entity

Simplileap Digital LLP

// Recognition

Featured in QuickNode Feature Fridays

CIN

AAU-8582

Startup India

DIPP83124

Founded

November 2020

Office

Residency Rd, Bengaluru, India

// FAQ

Common questions about app interface design systems

How long does it take to build a mobile design system?+

A foundational mobile design system (tokens, core components, primary patterns) takes 6–10 weeks. The system is never fully done, we build a foundation you can extend.

Can you audit and improve our existing design system?+

Yes, design system audits are a common engagement. We assess coverage, consistency, documentation quality, and engineering adoption, then deliver an improvement roadmap.

How do you handle design system versioning?+

We set up versioning conventions in Figma (library branches, version history) and document a versioning protocol that synchronises design and engineering releases.

Ready to get started with app interface design systems?

Share your requirements with our team. We respond within one business day with a clear plan from discovery to delivery.