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Mobile App Development Proposal Template

Mobile apps cost more than clients expect. The 80% they see (UI screens) is the cheap part. The 20% they don't (auth, state management, push notifications, app store reviews, OS updates) is where the real time goes. Proposal must surface the invisible work.

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What to include in your mobile app development proposal template

  • Platforms (iOS, Android, both — and tech: native vs RN/Flutter)
  • Screen list with hi-fi mockups already approved
  • Backend scope (API, database, integrations)
  • Auth flow (social, email, biometric)
  • Push notifications and deep linking
  • App store submission and review handling
  • Crash reporting and analytics
  • Post-launch maintenance (OS updates require ongoing work)

How to price it

Mobile app builds: $30K-$80K (single platform, basic), $80K-$200K (cross-platform with backend), $200K+ (enterprise with custom integrations). React Native saves 30-40% vs separate native builds for typical apps.

Common mistakes to avoid

  • Skipping the app store review buffer (always 1-3 weeks)
  • Not budgeting for OS update compatibility (annual)
  • Mixing app store fees into your fee
  • Vague 'cross-platform' without committing to RN/Flutter/native
  • No analytics/crash reporting from day 1 (you'll regret it)

Sample template content

Here's an example of what a complete proposal looks like for this niche. Use it as a starting point — you'll fill in your own details when you create one.

Scope of Work

iOS + Android app build for [Client]: Tech: React Native + Node.js backend Weeks 1-2: Project setup, design system import, auth flow Weeks 3-7: Feature implementation (15 screens defined) Week 8: Push notifications, analytics, crash reporting Week 9: QA, beta testing via TestFlight + Internal testing Week 10: App store submission and review responses Week 11: Production release Exclusions: Apple Developer / Google Play accounts (client provides), in-app purchases beyond Stripe webview, AR/VR features

Sample Line Items

DescriptionQtyTotal
Setup, auth & design system1$9,000.00
Feature implementation (15 screens)1$35,000.00
Backend API1$12,000.00
Push, analytics, crash reporting1$5,000.00
QA, store submission, launch1$8,000.00
Total$69,000.00

Sample timeline: 11 weeks

Terms & Conditions

Fee: 25% on signing, 25% at week 4, 25% at week 9, 25% on production release. App store review delays beyond 3 weeks not included — extend timeline at our discretion. Maintenance: $4,000/mo retainer recommended (covers OS updates, library bumps, minor bugs). Major feature additions billed separately.

Frequently asked questions

▸ Native or React Native?

Native (Swift/Kotlin) for performance-heavy apps (games, AR, complex animations). React Native for 90% of business apps — way cheaper, ships faster, easy to hire for.

▸ How long does App Store review take?

iOS: 24-72 hours typically, but rejections add 1-3 weeks. Always quote with 2-week buffer. Android: usually <24 hours.

▸ What about Apple's in-app purchase rules?

Selling digital goods/subscriptions: must use Apple IAP (15-30% fee). Physical goods/services: external payments OK. Consult before assuming.

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