How to Publish an App on the App Store and Google Play

Building the app is often the easier part. Developer accounts, store-specific guidelines, metadata requirements, and privacy policies catch many first-time publishers off guard. This guide walks through the actual process for both platforms.

What You Will Learn in This Guide

• How developer accounts work for both stores
• What metadata and assets you need to prepare
• Privacy policy requirements
• Common reasons apps get rejected, and how to avoid them

1. Developer Accounts

Apple Developer Program: currently an annual fee (check Apple's official developer site for the current exact amount, since pricing can change).
Google Play Console: currently a one-time registration fee (again, verify the current figure directly with Google, as fee structures are occasionally updated).

Apply for both accounts early, since identity verification can take longer than expected, particularly for business accounts.

2. Prepare Your App for Each Platform

iOS: test across multiple device sizes, follow Apple's Human Interface Guidelines, and use TestFlight for structured beta testing before full release.
Android: test across multiple device sizes and Android versions, follow Google's Material Design guidance, and use Google Play's internal testing tracks before a public release.

3. Store Metadata Requirements

Both platforms require, in some form: app name, a short description, a longer description, keywords (App Store) or a short/full description (Google Play), app icons in multiple required sizes, and several screenshots. Exact character limits and requirements are set by each platform and do change periodically, so check Apple's App Store Connect documentation and Google Play Console documentation directly before finalizing your assets, rather than relying on older figures you may have seen elsewhere.

4. Privacy Policy Requirements

Both Apple and Google require a published privacy policy for apps that collect any user data, which is most apps today given standard analytics and crash reporting. It should clearly state what data is collected, how it's used, any third-party services involved, and how users can exercise their data rights.

5. The App Review Process

Both platforms review submissions before approval. Common, well-documented rejection reasons include broken functionality, incomplete or misleading metadata, missing or inadequate privacy policies, and interface issues that violate platform guidelines. Addressing reviewer feedback directly and resubmitting is the standard path forward after a rejection.

App Store vs Google Play – Practical Comparison

Decision Framework – Launch Order and Strategy

Launch on both simultaneously if: you have the resources to prepare platform-specific assets and testing for each.
Launch on one first if: your target audience skews heavily toward one platform, or your team's testing capacity is limited; use the first launch to validate before doubling resourcing on the second.

Common Mistakes

• Submitting without testing on a range of real devices, not just one simulator or emulator.
• Writing a vague or incomplete privacy policy, a frequent and avoidable rejection cause.
• Underestimating identity verification time for developer accounts, especially for business/organization accounts.
• Ignoring platform-specific design guidelines (Apple's Human Interface Guidelines, Google's Material Design).
• Not budgeting time for at least one rejection-and-resubmission cycle.

Pro Tips

• Start developer account registration well before your app is finished, since identity verification can take longer than development itself in some cases.
• Use TestFlight or Play Console's internal testing tracks with real users before public submission to catch issues review alone won't surface.
• Write your privacy policy to genuinely reflect what your app collects; generic templates copied from elsewhere are a common rejection and compliance risk.

Business Perspective

Cost: developer account fees are relatively minor compared to development cost; the bigger cost driver is testing and asset preparation time. ROI: depends entirely on the app's core value proposition, not the publishing process itself. Risk: primarily rejection delays if metadata or privacy requirements aren't addressed properly upfront. Maintenance: ongoing, since app updates go through the same review process each time.

Frequently Asked Questions

Q: How much does it cost to publish an app?
A: Apple charges an annual developer fee and Google a one-time registration fee; check each platform's official site for current exact amounts, since pricing can change.

Q: How long does app review typically take?
A: Often a few days for both platforms, though it can vary based on app complexity and current review volume.

Q: What is TestFlight?
A: Apple's official platform for beta testing iOS apps with real users before public release.

Q: What is Google Play's equivalent?
A: Internal and closed testing tracks within Google Play Console.

Q: What metadata do I need to prepare?
A: App name, descriptions, icons, and screenshots at minimum; check current platform-specific requirements for exact specs.

Q: Is a privacy policy always required?
A: Yes, for essentially any app collecting user data, which includes most apps using standard analytics.

Q: What are common rejection reasons?
A: Broken functionality, incomplete metadata, inadequate privacy policies, and interface guideline violations.

Q: Can I update my app after it's published?
A: Yes, updates go through the same review process as the initial submission.

Q: How do I encourage user reviews after launch?
A: In-app review prompts at appropriate moments (not immediately on open) are a common, platform-supported approach.

Q: How long does the full publishing process typically take?
A: Including account setup, testing, and review, budgeting a couple of weeks is a realistic estimate, though it varies by app complexity and account verification time.

Key Takeaways

• Start developer account registration early, since verification can take time.
• Test on real devices across both platforms before submission.
• A genuine, accurate privacy policy is required and a common rejection point if done poorly.
• Budget time for at least one review-and-resubmission cycle.

Illustrative Example – A Realistic Publishing Timeline

This is an illustrative example, not a documented case study.

Consider a small team preparing to launch a new app. Registering both developer accounts early, testing with a small group via TestFlight and Play Console's internal tracks, and preparing an accurate privacy policy upfront is a realistic path to a smoother first submission. Even with careful preparation, budgeting time for at least one round of reviewer feedback and resubmission is a sensible expectation rather than assuming first-attempt approval.

Decision Checklist

• Developer accounts are registered and verified for both platforms (if launching on both)
• The app has been tested on multiple real devices, not just emulators
• All required metadata and assets are prepared per each platform's current specs
• A genuine, accurate privacy policy is published and linked
• You've budgeted time for a possible rejection-and-resubmission cycle

Official Resources

• Apple Developer Documentation (developer.apple.com)
• Google Play Console Help (support.google.com/googleplay/android-developer)

Related Reading

Related guides: "Cost of Mobile App Development – A Complete Breakdown" and "Flutter vs React Native – Which Framework Is Better?"

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About the Author

Md Zeeshan is the Founder of Zeta Arise, a global software development and technology consulting company. He helps businesses build and publish mobile apps.

Final Thoughts

Publishing is a process with specific, checkable requirements rather than a mysterious final hurdle. Prepare your accounts and privacy policy early, test thoroughly on real devices, and budget time for at least one feedback cycle.

– Md Zeeshan