How-To Guides

Build and ship real mobile apps. Step by step.

Practical, no-fluff guides for turning an idea into a real React Native app — choosing a backend, publishing to the stores, and building the app your business actually needs. No dev team required.

Add a Barcode Scanner to an App: Formats and Limits

Add a Knowledge Base to an AI App: Where Each Piece Runs

Add a Pass to Apple Wallet: The Certificate Comes First

Add a Paywall to an App: The Rules Both Stores Enforce

Add a PDF Viewer to an App: Render It or Hand It Off

Add a Settings Screen to an App: What Belongs on It

Add a Share Sheet to an App: What You Really Control

Add an Onboarding Flow to an App: How Many Screens?

Add Audio Recording to an App: Permissions and Storage

Add Background Sync to an App: What the OS Guarantees

Add Biometric Login to an App: Face ID and Fingerprint

Add Bluetooth to an App: Permissions and Real Hardware

Add Contacts Access to an App: Picker, Permission, Limits

Add CSV Export to an App: The File and the Share Sheet

Add Dark Mode to an App the Way the Platforms Expect

Add Direct Messages to an App: Threads, Push, Privacy

Add Email Verification to an App: Code, Link or Skip

Add Feature Flags to an App: The Switch and the Cost

Add Geofencing to an App: Region Caps, Lag and Radius

Add Haptic Feedback: The Permission and the Hardware

Add Home Screen Shortcuts: Four Slots, Two Rulebooks

Add Image Cropping to an App: Why iOS Only Crops Square

Add In-App Purchases: Digital Goods Only, Both Stores

Add NFC to an App: What iOS Gates and Android Does Not

Add OTP Login to an App: What It Costs and What Breaks

Add Password Reset to an App: The Flow and the Limits

Add Signature Capture to an App: What It Really Proves

Add Siri Shortcuts to an App: App Intents, Not SiriKit

Add Subscriptions to an App: Set Up in the Store Console

Add User Profiles to an App: Fields, Editing, Limits

Add Video Upload to an App: Size, Storage and Playback

Android Restricted Permissions

Android Studio Build APK: The Full Walk-Through

Android Studio Online: What Actually Works in 2026

APK Converter: What It Can and Cannot Convert

APKS to APK: What It Is and How to Install It

App Building for Beginners: No-Code Guide 2026

App Privacy Details: What to Declare on Both Stores

App Store Export Compliance: The Answer and the Key

App Store Phased Release: The Schedule and the Pause

App Store Pricing Tiers: What Replaced Them, and Where to Set a Price

App Store Promo Codes: Limits, Resets and What They Cannot Buy

App Store Promotional Text and What's New: The Limits

App Store Small Business Program: Who Qualifies and How to Enroll

App Version and Build Numbers: Which One Has to Increase

Can You Publish an AI Built App to the App Store? Yes

Carplay Entitlement

Convert ZIP to APK: The Real Route, Step by Step

Critical Alerts Entitlement

Custom Bottom Navigation in React Native: One Prop, Then the Android Insets

Expo App Development: Beginner Guide 2026

External Purchase Link Entitlement: Which Storefronts, and What Apple Still Charges

Family Controls Entitlement

Google Play Closed Testing: The 12-Tester Rule

Google Play Content Rating: the IARC Questionnaire

Google Play Data Safety Form: Every Answer Explained

Google Play Staged Rollout: Raise It, Halt It, Fix It

Google Sign In for an App: Three Client IDs and the Android Signing Trap

Health Records Entitlement

How to Add a File Picker to an App on iOS and Android

How to Add a QR Code Scanner to an App, and Test It

How to Add a Rating Prompt to an App: Caps and Rules

How to Add an AI Chatbot to Your App (2026)

How to Add Calendar Sync to an App Without Duplicates

How to Add Charts to an App: Shape First, Library Second

How to Add Chat to Your App: The 2026 Guide

How to Add Comments to an App: Threads and Moderation

How to Add Image Generation to an App: Server Side and Store Rules

How to Add In-App Purchases to Your App (2026)

How to Add Likes to an App Without Breaking the Feed

How to Add Maps and Location to Your Mobile App

How to Add Photo Upload to Your App (2026)

How to Add Search to an App: Local Filter or Server Query

How to Add Social Login to an App Apple Will Approve

How to Add User Login to Your App: 2026 Guide

How to Add Voice Input to an App: On Device or Cloud

How to Appeal an App Store Rejection (2026)

How to Build a Mobile App Without Coding (2026)

How to Build Your First App: Step-by-Step Tutorial

How to Choose a Mobile App Backend (2026 Guide)

How to Create a Mobile App for Free in 2026

How to Create an Android App With AI (2026 Guide)

How to Create an App Store Connect Record, Step by Step

How to Hotfix a Published App, and How Long Each Route Really Takes

How to Learn Vibe Coding for Free: Resources & Tutorials

How to Make an App Icon, Step by Step in Newly

How to Make an App: A Real Build, Start to Finish

How to Publish an App to the App Store (2026 Guide)

How to Reduce App Size: The Store Limits and the 200 MB Line

How to Sign an APK: Keystore, keytool and Keys

How to Start Vibe Coding: Step-by-Step Guide

HTML to APK: Wrap Your Site, or Build a Real App

Ios Default App Entitlement

Network Extension Entitlement

Remove an App From the App Store: Hide It or Delete It

Request an Expedited App Review: Apple's Two Reasons

Sign in with Apple: When It Is Required and Why the Name Arrives Once

Submit an AI App to the App Store: Yes or No?

Supabase No-Code Guide: Build Apps Without Coding

TestFlight Feedback: How Testers Send It and Where It Lands

TestFlight on Android: The Real Alternative

Transfer an App to Another Developer Account: Both Stores

Universal Links on iOS and App Links on Android: Paths, Then Proof

Upload a Build to App Store Connect, Then Find It

What Happens After You Submit an App to the App Store

Why Apps Get Rejected from the App Store (2026)