11/2025

11/2025

11/2025

Proposal for
mobile app development

Proposal for
mobile app development

Proposal for
mobile app development

Silent Fork

A Tech Partner
You Can Trust

We’re a team of builders who love turning ideas into high-quality tech solutions. With an NPS of 89, teams trust us to deliver work that’s thoughtful, reliable, and aligned with their business goals.


We’re pleased to submit this proposal for the development of the Silent Fork Mystery Dining Evaluator App, a production-ready mobile application designed to transform hospitality experiences into measurable insights.

A Tech Partner
You Can Trust

We’re a team of builders who love turning ideas into high-quality tech solutions. With an NPS of 89, teams trust us to deliver work that’s thoughtful, reliable, and aligned with their business goals.


We’re pleased to submit this proposal for the development of the Silent Fork Mystery Dining Evaluator App, a production-ready mobile application designed to transform hospitality experiences into measurable insights.

Project Goal

Our goal is to deliver a reliable, secure, and engaging cross-platform app that allows mystery dining evaluators to efficiently perform, record, and submit their assessments—ensuring high-quality, structured data collection at scale.

Timeline and Deliverables

Phase

Key Actives

Deliverables

Duration

Phase 1:

Discovery & Architecture

UX/UI validation, user journey refinement, architecture setup, Supabase schema definition, environment setup, and CI/CD configuration.

Architecture document, UX validation, Supabase structure, CI/CD pipelines.

3 weeks

Phase 2:

MVP Development

Core feature development: authentication, onboarding, job board, evaluation flow, timers, photo capture, offline sync, and push notifications.

Working MVP build for iOS & Android.

10 weeks

Phase 3:

QA & Pilot Testing

End-to-end testing, device testing, offline performance validation, and pilot with selected evaluators.

UAT-ready build, pilot feedback report.

3 weeks

Phase 4:

Launch & Handover

Final adjustments, analytics setup, App Store / Play Store publishing, and knowledge transfer.

Production-ready release, technical documentation, handover session

2 weeks

Total Estimated Timeline: 18 weeks

Technical Approach and Team Structure

Technical Approach

Layer

Technology / Tool

Purpose

Frontend

React Native (Expo Managed Workflow, TypeScript)

Cross-platform mobile app for iOS & Android

Backend

Supabase (Auth, PostgreSQL, Storage, Realtime)

Authentication, data persistence, and photo management

Integrations

Stripe Connect, Checkr, Twilio/SendGrid

Payments, background checks, and notifications

Analytics

Firebase / Mixpanel

Usage analytics, performance tracking

Offline Support

Local data caching and background sync

Full evaluation completion offline

Security

Supabase RLS, OAuth, biometric login

Meets GDPR/CCPA and PII protection standards

Team Structure

Layer

Technology / Tool

Purpose

Delivery Manager

Project oversight, progress monitoring, risk management, and stakeholder communication.

Part-time

Sr. Frontend Developer (Tech Lead)

Hands-on development, architecture definition, technical decisions, code reviews, publishing, and analytics setup.

Full-time

Frontend Developer

React Native development, UI components, feature implementation, and integration with backend.

Full-time

Backend Engineer

Supabase schema design, API endpoints, integration with external services (Stripe, Checkr, Twilio).

Full-time

QA Engineer

Manual and automated testing, device matrix validation, regression testing.

Part-time

UI/UX Designer

Wireframes, design system, and UI assets.

Part-time

DevOps Engineer

CI/CD pipelines configuration and deployment automation.

Partial (Setup phase only)

A Tech Partner
You Can Trust

We’re a team of builders who love turning ideas into high-quality tech solutions. With an NPS of 89, teams trust us to deliver work that’s thoughtful, reliable, and aligned with their business goals.


We’re pleased to submit this proposal for the development of the Silent Fork Mystery Dining Evaluator App, a production-ready mobile application designed to transform hospitality experiences into measurable insights.

Timeline
and Deliverables

To view the full Roadmap, please open this page on your computer.

Technical Approach and Team Structure

Technical Approach
To view the full Roadmap, please open this page on your computer.
Team Structure
To view the full Roadmap, please open this page on your computer.

Assumptions

Assumptions

MVP Scope: Aligned with the “Must Have” list provided in the Silent Fork requirements document.
MVP Scope: Aligned with the “Must Have” list provided in the Silent Fork requirements document.
Design Assets: Silent Fork will provide brand guidelines, color palette, and any existing UI references before Phase 1.
Design Assets: Silent Fork will provide brand guidelines, color palette, and any existing UI references before Phase 1.
Integrations: APIs for Checkr, Stripe, and Twilio/SendGrid will be accessible and properly configured under Silent Fork’s accounts.
Integrations: APIs for Checkr, Stripe, and Twilio/SendGrid will be accessible and properly configured under Silent Fork’s accounts.
Supabase Environment: Eureka will manage one Supabase project for development and production.
Supabase Environment: Eureka will manage one Supabase project for development and production.
Testing Devices: Testing will be performed on virtual devices and a limited set of physical devices (as specified in the requirements).
Testing Devices: Testing will be performed on virtual devices and a limited set of physical devices (as specified in the requirements).
Content: Any text, training materials, or assets (videos, help content, etc.) will be provided by Silent Fork.
Content: Any text, training materials, or assets (videos, help content, etc.) will be provided by Silent Fork.
App Store Accounts: Silent Fork will provide Apple and Google Developer accounts for deployment.
App Store Accounts: Silent Fork will provide Apple and Google Developer accounts for deployment.
Post-Launch Support: A separate maintenance agreement will be defined once the MVP is launched.
Post-Launch Support: A separate maintenance agreement will be defined once the MVP is launched.
Time Zone: Core collaboration window aligns with GMT-3 / EST working hours.
Time Zone: Core collaboration window aligns with GMT-3 / EST working hours.

Concerns

Concerns

Background Check API: Regional compliance and licensing for Checkr or equivalent must be validated early.
Background Check API: Regional compliance and licensing for Checkr or equivalent must be validated early.
Payment Flow Validation: Stripe Connect onboarding and payout flows require configuration and testing per evaluator country.
Payment Flow Validation: Stripe Connect onboarding and payout flows require configuration and testing per evaluator country.
Offline Data Handling: Heavy offline use with multimedia assets requires performance and storage tuning, particularly for photo uploads.
Offline Data Handling: Heavy offline use with multimedia assets requires performance and storage tuning, particularly for photo uploads.
Feature Scope: MVP features must remain focused on evaluator operations to ensure an achievable 18-week delivery.
Feature Scope: MVP features must remain focused on evaluator operations to ensure an achievable 18-week delivery.

Recommendations

Recommendations

Phase the release

Launch a controlled pilot with a limited group of evaluators to validate usability and workflow before public rollout.

Phase the release

Launch a controlled pilot with a limited group of evaluators to validate usability and workflow before public rollout.

Phase the release

Launch a controlled pilot with a limited group of evaluators to validate usability and workflow before public rollout.

Implement analytics early

Event tracking should be integrated from the first pilot build to guide product improvements.

Implement analytics early

Event tracking should be integrated from the first pilot build to guide product improvements.

Implement analytics early

Event tracking should be integrated from the first pilot build to guide product improvements.

Prioritize mobile UX

Use guided flows, haptic feedback, and clear progress indicators to optimize field usability.

Prioritize mobile UX

Use guided flows, haptic feedback, and clear progress indicators to optimize field usability.

Prioritize mobile UX

Use guided flows, haptic feedback, and clear progress indicators to optimize field usability.

Adopt design system

Create reusable design components to streamline future enhancements and support multi-language rollout.

Adopt design system

Create reusable design components to streamline future enhancements and support multi-language rollout.

Adopt design system

Create reusable design components to streamline future enhancements and support multi-language rollout.

Schedule a technical workshop

Conduct a joint session during Discovery to finalize data models and external service integrations.

Schedule a technical workshop

Conduct a joint session during Discovery to finalize data models and external service integrations.

Schedule a technical workshop

Conduct a joint session during Discovery to finalize data models and external service integrations.

Investment

Investment

Option A: Fixed Price

Option A: Fixed Price

Total Investment
Total Investment
Total Investment
USD 299,750
USD 299,750
USD 299,750
Estimated Duration
Estimated Duration
Estimated Duration
16 - 20 weeks
16 - 20 weeks
16 - 20 weeks
Includes:
  • Full MVP scope as defined in Silent Fork’s “Must Have” requirements.

  • Project management, QA, documentation, analytics setup, and store publishing.
Includes:
  • Full MVP scope as defined in Silent Fork’s “Must Have” requirements.

  • Project management, QA, documentation, analytics setup, and store publishing.

Option B: Agile Pod (Time & Materials)

Option B: Agile Pod (Time & Materials)

Role

Monthly Rate (USD)

Allocation

Sr. Frontend Developer (Tech Lead)

$10,150

Full-time

Frontend Developer

$8,500

Full-time

Backend Engineer

$8,064

Full-time

QA Engineer

$6,720

Part-time

UI/UX Designer

$3,500

Part-time

Delivery Manager

$4,620

Part-time

DevOps Engineer

$1,900

Setup phase only

For Agile Pod rate details, please open this page on your computer.
Monthly Total
Monthly Total
Monthly Total
$43,152
$43,152
$43,152
Estimated Duration
Estimated Duration
Estimated Duration
16 - 20 weeks
16 - 20 weeks
16 - 20 weeks
Model
Model
Model
Bi-weekly sprint reviews with defined deliverables and ongoing project
oversight and risk management.
Bi-weekly sprint reviews with defined deliverables and ongoing project
oversight and risk management.
Bi-weekly sprint reviews with defined deliverables and ongoing project
oversight and risk management.

Disclaimer

All cost estimates provided exclude expenses related to infrastructure, cloud hosting, third-party APIs, or licensing fees (e.g., Supabase usage tiers, Checkr, Stripe, Firebase, or similar).Any such infrastructure or third-party costs required by the final product will be fully owned and managed by Silent Fork.

Disclaimer

All cost estimates provided exclude expenses related to infrastructure, cloud hosting, third-party APIs, or licensing fees (e.g., Supabase usage tiers, Checkr, Stripe, Firebase, or similar).Any such infrastructure or third-party costs required by the final product will be fully owned and managed by Silent Fork.