01
Technical Specification
Complete feature register, screen inventory, user flow diagrams, and API contracts produced before development begins.
Enterprise Mobile App Development · Singapore
Enterprise mobile app development
Namtech Pte Ltd, a Singapore AI transformation consultancy, builds iOS and Android apps from a single React Native codebase, from SGD 18,000 with delivery in 12–32 weeks. Every app includes a backend API, user authentication, push notifications, App Store and Google Play submission, and full source code ownership.
Starting investment
SGD 18,000
Fixed price, excl. GST
Delivery timeline
12–32 weeks
Milestone-governed
Cross-platform
iOS + Android
Single codebase
The problem
Why mobile projects fail to deliver
Mobile app projects usually fail because of process rather than technology: undefined scope, weak architecture decisions and absent governance set up failure before any code is written. These are the five gaps we design out.
An app that passes demo is not one that scales under load.
- 01
Scope creep and undefined requirements
Mobile projects without formal feature lists, approved wireframes, and documented acceptance criteria expand continuously, consuming budget before a functional product exists.
- 02
Scalability architecture failures
Apps built without a scalable backend architecture collapse under user growth, require costly re-engineering, and create downtime events that damage brand credibility at critical moments.
- 03
App Store rejection loops
Submissions rejected due to unchecked privacy policy requirements, inadequate data handling disclosures, or missing compliance documentation add weeks of unplanned remediation time.
- 04
Poor cross-platform performance
Apps built with unsuitable frameworks or desktop-first logic create degraded mobile experiences characterised by janky animations, slow load times, and battery drain.
- 05
No post-launch ownership
Apps delivered without source code access, admin documentation, or push notification infrastructure create permanent vendor dependency for all future updates and campaigns.
Delivery framework
Four-phase mobile app delivery
Every mobile app moves through four milestone-gated phases: scope definition, UX architecture, sprint-based development, and testing and store submission. Scope is locked before development begins, and no phase starts without written client approval.
Phase 01
Strategy & Scope Definition
Feature list, user journeys & technical specification
Formal requirements gathering documenting all screens, user journeys, backend integrations, and platform requirements. Technical architecture defined and signed off before design commences.
Phase 02
UX Architecture
Information architecture, wireframes & design system
Structured UX design beginning with information architecture, navigation flow, and low-fidelity wireframes. Mobile-first component library and high-fidelity screen designs signed off before any development commences.
Phase 03
Structured Development
Sprint-based build with milestone approvals
Development executed in defined 2-week sprints with client review at each milestone. Backend API, authentication, push notifications, and all integrations built within the agreed scope. No additions without formal change requests.
Phase 04
Testing & Deployment
QA, store submission & handover documentation
Structured QA across iOS and Android covering all defined user flows, device compatibility matrix, and performance benchmarks. App Store and Google Play submission with compliance documentation. Full source code and admin handover.
Written client approval required before each phase commences.
Phase weeks are indicative for a typical project. Committed package timelines: Structured Business App 12–24 weeks, Enterprise / Platform App 16–32 weeks.
What's included
Every package includes
Both mobile app packages include the same eight deliverables as standard, from technical specification to store submission and source code handover.
02
Mobile UX Design System
Custom component library, iOS and Android design guidelines compliance, and approved high-fidelity screens for all defined views.
03
Backend API Development
Scalable REST API, database architecture, user authentication, push notification infrastructure, and third-party integration layer.
04
Security Architecture
Secure token-based authentication, encrypted local storage, certificate pinning, and session management built to OWASP Mobile Security standards.
05
App Store Submission
Full App Store and Google Play submission including metadata, screenshots, privacy policy, data handling disclosures, and compliance review.
06
QA & Device Testing
Structured testing across iOS and Android on a defined device matrix covering all user flows, edge cases, and performance benchmarks.
07
Source Code & IP Handover
Full source code ownership transferred to the client. Complete repository access, no proprietary lock-in, and full deployment pipeline documentation.
08
Admin & Push Notification Setup
Push notification infrastructure, admin dashboard access, crash reporting configuration, and role-based administrator training.
Engagement governance
How we govern your build
Mobile development is prone to scope expansion, timeline drift and app store delays. Each engagement runs under six written controls that prevent them.
Defined Screen & Feature Scope
All app screens and features are formally documented and signed off before development. No screen is built without a corresponding approved design and written specification.
Formal Change Request Process
Any feature addition or modification outside the agreed scope requires a formal change request with documented cost and timeline impact prior to execution.
No Unlimited Revision Cycles
Design and development revision cycles are defined per phase in the engagement agreement. Additional revisions are separately scoped and quoted.
Secure Backend Integration Standards
All backend integrations (authentication, payments, third-party APIs) are defined in the technical specification and built to agreed security standards.
IP and Source Code Ownership
All custom-developed code is the intellectual property of the client upon final payment. Namtech retains no licence over deliverables after project completion.
Milestone Payment Structure
70% at project commencement, 30% upon App Store / Google Play approval and client sign-off. No payment milestones tied to third-party review timelines.
Engagement packages
Fixed-scope mobile app packages
Namtech offers two mobile app packages: Structured Business App (up to 15 screens, SGD 18,000, 12–24 weeks) and Enterprise / Platform App (up to 30 screens, from SGD 35,000, 16–32 weeks). Prices are in SGD excluding GST.
Structured Business App · Tier 1
For businesses requiring a defined mobile application (customer portals, internal operational tools, service booking platforms, or loyalty apps) with a fixed feature set.
SGD18,000
12–24 weeks · Up to 15 screens
- iOS and Android (React Native)
- Up to 15 defined screens
- User authentication & profile management
- Push notification infrastructure
- Backend API and database setup
- 2 third-party integrations
- App Store & Google Play submission
- 2 weeks post-launch support
Terms Fixed investment · No hidden costs · 70% upfront · 30% on store approval
Not included Multi-tenant / SaaS architecture
Enterprise / Platform App · Tier 2
For growth-stage companies and platform founders requiring complex user roles, multi-tenant architecture, advanced integrations, or custom native capabilities.
fromSGD35,000
16–32 weeks · Up to 30 screens
- All Tier 1 inclusions
- Up to 30 defined screens
- Multi-tenant or multi-role architecture
- Advanced RBAC & permission system
- Up to 5 third-party integrations
- Offline mode & local data sync
- Performance & load testing
- 4 weeks post-launch support
Terms Starting investment · Scope locked at start · 70% upfront · 30% on store approval
Custom scope Beyond 30 screens and native device hardware integrations (camera, biometrics, NFC) are scoped and quoted separately after discovery.
Package comparison
| Item | Structured Business App | Enterprise / Platform App |
|---|---|---|
| Investment | SGD 18,000 | From SGD 35,000 |
| Timeline | 12–24 weeks | 16–32 weeks |
| Screens | Up to 15 screens | Up to 30 screens |
| Multi-tenant / multi-role architecture | Not included | Included |
| Third-party integrations | 2 | Up to 5 |
| Offline mode & local data sync | Not included | Included |
| Post-launch support | 2 weeks | 4 weeks |
| Payment | 70% upfront · 30% on store approval | 70% upfront · 30% on store approval |
All engagements are subject to a scoping call before the proposal. Screen scope beyond package limits is quoted separately. Pricing in SGD excluding GST.
Why Namtech
Why Singapore enterprises choose Namtech
Six working commitments that apply to every Namtech mobile app project.
Singapore Technical Oversight
Projects are managed and technically overseen from Singapore, with a named project lead, clear escalation paths and no offshore development handoffs without prior client disclosure.
Cross-Domain Integration Expertise
Namtech also delivers ERP, e-commerce and web application projects, which helps when a mobile app must connect to your existing business systems.
React Native Cross-Platform Delivery
Namtech builds mobile apps in React Native: one codebase for both iOS and Android, which keeps features consistent across platforms and avoids paying for two separate builds.
Sprint Governance Framework
Development runs in 2-week sprints with client review at each milestone.
Fixed-Price Commercial Discipline
Engagements are fixed-scope and fixed-cost; changes go through a written change request with cost and timeline impact.
Full IP and Source Code Ownership
Clients own all custom-developed code from final payment, with full repository access, with no proprietary SDKs and no platform lock-in.
FAQ
Questions buyers ask
How much does mobile app development cost in Singapore with Namtech?
Structured Business App (up to 15 screens) is SGD 18,000. Enterprise / Platform App (up to 30 screens, multi-tenant or multi-role) starts from SGD 35,000. Prices are in SGD excluding GST.
How long does it take to build a mobile app?
Structured Business App takes 12–24 weeks and Enterprise / Platform App takes 16–32 weeks. Development runs in 2-week sprints with client review at each milestone.
Do you build separate iOS and Android apps?
No. Apps are built in React Native, so a single codebase runs on both iOS and Android with consistent features across platforms.
Is App Store and Google Play submission included?
Yes. Both packages include App Store and Google Play submission with metadata, screenshots, privacy policy, data handling disclosures and compliance review.
How are payments structured?
Payment is 70% at project commencement and 30% on App Store / Google Play approval and client sign-off.
Mobile strategy consultation
Engineer your mobile platform the right way.
Book a 30-minute mobile strategy consultation. We assess your product requirements and send a fixed-scope proposal within 3 business days. No obligation.