Blog
Guides, tutorials, and insights on React Native and mobile app development.
AI React Native and Expo App Builders: What to Compare
Compare RNBlocks, Draftbit, Replit and Bolt by React Native and Expo output, source export and the actual route to iPhone and Android release.
How to Build an Employee Perks App Prototype
Build an Employee Perks App Prototype. Shape the first journey, connect the data and test before release.
How to Build an App for Saving Visual Ideas
Build an App for Saving Visual Ideas. Shape the first journey, connect the data and test before release.
How to Build an Event Discovery App Without Coding
Build an Event Discovery App Without Coding. Shape the first journey, connect the data and test before release.
How to Build a Grocery Delivery App Prototype
Build a Grocery Delivery App Prototype. Shape the first journey, connect the data and test before release.
How to Build a Shopping App for iPhone and Android
Build a Shopping App for iPhone and Android. Shape the first journey, connect the data and test before release.
How to Build an AI Chat App Without Coding
Build an AI Chat App Without Coding. Shape the first journey, connect the data and test before release.
How to Build a Portfolio Tracker App Interface
Build a Portfolio Tracker App Interface. Shape the first journey, connect the data and test before release.
How to Build a Reading Tracker App Without Coding
Build a Reading Tracker App Without Coding. Shape the first journey, connect the data and test before release.
How to Build a Workout Planner App Without Coding
Build a Workout Planner App Without Coding. Shape the first journey, connect the data and test before release.
How to Build a Travel Itinerary App Without Coding
Build a Travel Itinerary App Without Coding. Shape the first journey, connect the data and test before release.
Google Play Declined My Production Access. What Do I Do Next?
Why new personal Google Play accounts need a closed test before production, why applications get declined, and how to prepare a stronger second attempt.
How Long Does App Store Review Take in 2026, and What Slows It Down?
Typical App Store and Google Play review times, the most common reasons for delays and rejections, and how to avoid a second round.
TestFlight Explained: How to Share Your iPhone App with Testers
What TestFlight is, the difference between internal and external testers, and the steps to get a build into testers' hands.
My App Works on the Web. What Does It Take to Put It in the App Store?
The three routes from a web app to the App Store and Google Play (home-screen web app, a wrapper, or a native rebuild) and what each one involves.
Rork vs RNBlocks: Which AI Builder Is Right for Your Mobile App?
Compare Rork and RNBlocks for iOS and Android: native Swift and Kotlin projects versus React Native and Expo, code export, services and publishing.
Vibecode vs RNBlocks: Which AI App Builder Fits Your Project?
Comparing Vibecode and RNBlocks for building iOS and Android apps with AI: project types, publishing, code export and who each one suits.
Can Lovable Make an iPhone App? Your Options for Mobile
Lovable builds web apps. Here are the ways to get a Lovable project onto phones, and when a native React Native app is the better route.
Base44 Mobile Apps: Publishing Options Compared
How Base44 gets apps onto phones and into the stores, how that differs from a native React Native app, and how to choose.
Web App vs Mobile App: Which Should Your Idea Be?
The real differences between a web app and a mobile app: how people find them, what each does best, how money works, and how to choose.
Do I Need a Server for My App?
What a server does, which apps need one and which do not, and why you do not need to run your own machines.
What Happens When You Tap Place Order in an App?
Follow one food order from the screen to the shop and back: frontend, backend, API, payment confirmation and why two taps should make one order.
Where Did My Saved Data Go on My New Phone? Local vs Cloud Storage
Why saved items sometimes vanish on a new phone: local storage, cloud storage, sign-in and sync explained simply.
Interface, Logic and Data: What Makes an App Button Actually Work
Every button does three jobs. Follow one Add to bag tap through the interface, the logic and the data, and learn why first apps often build only one.
When Should an App Ask for Camera, Location or Notification Permission?
Why phones guard camera, location and notifications, why you often get one clear chance, and how to ask so people say yes.
How Do Push Notifications Work on iPhone and Android?
The relay from your server through Apple and Google to the lock screen, what a device token is, and how to send notifications people keep on.
How Do Apps Make Money? Free, Freemium, Subscription or Paid
The main ways apps earn money, what the App Store and Google Play take, and how to match your price to how often people use the app.
Fixed One Typo in Your App? Why Apple Still Reviews the Update
Why every app update is a new build that goes through store review, which fixes can skip the store, and what version numbers mean.
Can I Build One App for Both iPhone and Android?
Why iOS and Android apps used to be built twice, how React Native and Expo build both from one project, and what still differs between them.
My App Has 12 Features Planned. Which 3 Should Launch First?
How to cut a long feature list down to the few that complete the main task, so your first version ships and teaches you something.
Would Anyone Pay for My App? How to Check Before You Build
How to test whether people value your app enough to pay, using alternatives, switching reasons and small real commitments.
How to Handle Feature Requests from Your First Users
Your first users will ask for many different things. How to group requests by the problem behind them and decide what to build next.
How to Make App Store Screenshots That Explain Your App
What makes store screenshots work, the sizes Apple and Google need, and how to plan a set that sells the main task in seconds.
Things I'd Tell My Younger Self About Building Apps
Lessons for first-time app builders: ship the ugly version, test on real phones, show it early, and stop building it twice.
What Is an API Key, and Why Must It Stay Secret?
What API keys are, why they should never be inside your app's code, and where to keep them instead.
What Should an App's Onboarding Include, and How Short Should It Be?
Onboarding should get people to the main task fast. What to include, what to cut, and when to ask for an account.
Does My App Need a Privacy Policy?
Why both app stores require a privacy policy, what it should cover, and how it relates to App Privacy and Data safety forms.
Account Deletion: What Apple and Google Require
If your app lets people create an account, both stores require a way to delete it. What that means and how to build it.
What Should a First App Track with Analytics?
The handful of events that tell you whether a first app works: activation, the main task, retention and where people drop off.
Supabase vs Firebase for a First Mobile App
How Supabase and Firebase compare for accounts, databases and pricing in a first mobile app, and which suits which project.
Expo vs Flutter for a First App in 2026
React Native with Expo or Flutter: languages, tooling, publishing and which one to pick for your first iOS and Android app.
How to Test Your App on Your Own Phone with Expo Go
Open the app you are building on your own iPhone or Android phone with Expo Go, what works there, and when you need a test build instead.
How to Make App Store and Google Play Screenshots Automatically
Create store screenshots and listing assets from your real app screens in the RNBlocks Publish workspace.
How to Add Sign-In and Saved Data to an App with Supabase
Connect Supabase to your RNBlocks app for accounts and synced data, review database changes, and test with two accounts.
How to Add Voice and Text-to-Speech to an App with ElevenLabs
Give your mobile app a natural voice with the ElevenLabs connector in RNBlocks: setup, testing and costs.
How to Add AI Image Generation to an App with Replicate
Let your app generate or edit images with AI models through the Replicate connector in RNBlocks.
How to Change Your App by Describing It: Writing Good Change Requests
Write change requests an AI app builder gets right the first time: name the screen, the problem and the expected result.
How to Download Your App's Code and Keep Building It Yourself
Export your RNBlocks app as a React Native and Expo project, and what to check about connected services after export.
Ready-Made Mobile Screens and Flows: How to Use Them in Your App
Browse sign-in, checkout, onboarding and profile screens and flows, and use them as a starting point for your own app.
RNBlocks FAQ: What It Builds, Who Owns the Code, and What Publishing Includes
Answers to the most common questions about RNBlocks: what apps it builds, coding knowledge, code ownership, publishing and costs.
No-Code vs AI App Builders: What Is the Difference?
No-code describes how you work, while AI describes part of how the tool helps. Compare visual editing, conversational building, real app output and publishing.
How to Design a Mobile App for Free, Before Building Every Screen
Plan one useful mobile journey, sketch the important screens and test the layout before expanding. Learn what a design proves and where a working app begins.
What Is AI App Development? Building an App with AI vs Adding AI to an App
AI can help create an app or power a feature inside it. Understand the difference, choose one useful task and plan the real data, cost and release work.
How Do I Publish My App to the App Store? A First-Timer's Walkthrough
The full route from a finished app to the App Store in 2026: the Apple account, the app record, a store build, screenshots, review and release.
My App Works in the Preview. Why Can't I Install It on My Phone?
A preview, a build and a store release are different things. What each one is, and what you need to get your app installed on a real phone.
Google Play's 12 Testers for 14 Days Rule: How to Get Through It
Who the closed-testing requirement applies to, how to recruit testers who actually use the app, and how to apply for production access.
Bolt vs RNBlocks for Native iOS and Android Apps
Both Bolt and RNBlocks can build Expo mobile apps. How their workflows differ from first prompt to store release.
What Is a Database? A Plain-English Guide for App Builders
Tables, rows and columns explained with one real order, why apps do not just use a file, and how to plan your data before your screens.
How Does Login Work in an App? Authentication Explained Simply
Who checks the password, the difference between authentication and authorization, sessions and tokens, and why hiding a button does not lock anything.
What Is an API? The Weather App Example
Where a weather app gets the weather, what an API request and reply look like, and what to plan for when there is no answer.
How Password Reset Works, and How to Test It Before Launch
The steps behind a Forgot password link, what can go wrong, and a checklist to test the whole journey before real users need it.
How to Get Your First 10 Testers for a New App
Where to find the first ten people to test your app, what to ask them to do, and how to turn what you see into fixes.
Mobile App Templates for Travel, Shopping, Fitness and More
Start your app from a real template: travel, shopping, fitness, reading, finance, events and more, then make it your own in RNBlocks Studio.
Why Does My App Feel Slow? Five Common Causes and Fixes
Most app slowness is waiting: network round trips, oversized images and long lists. How to find the cause and make an app feel fast.
How to Publish an AI-Built App to the App Store and Google Play with a Publishing Agent
How the RNBlocks publishing agent helps with accounts, release identity, screenshots, builds, testing and submission, and which steps stay with you.
My App Idea Already Exists. Should I Still Build It?
Finding your idea already exists is usually good news. How to find the gap that makes yours worth building.
Before You Build Your App: A Five-Question Checklist
Five questions to answer before building your first app, so the first version is small, testable and aimed at real people.
How to Add AI Chat to Your App (OpenAI or Anthropic)
Add an AI chat or AI answers to your mobile app with the OpenAI or Anthropic connector in RNBlocks, keeping your key out of the app.
Why Do Apps Crash, and What Is a Crash Report?
The most common reasons mobile apps crash, what a crash report contains, and how to give your builder or developer a problem they can fix.
Can You Build a Mobile App for Free? What You Can Actually Do Before Paying
You can start building without paying, but a free prototype, a running app and a store release have different costs. Here is how to plan a useful free first version.
How to Build an iPhone and Android App from a Description, Step by Step
Build a real iOS and Android app by describing it in plain language: write the first prompt, connect saved data, test it and move into publishing.
Sketch to App: Turn a Drawing into a Working Mobile App
Turn a paper sketch or whiteboard drawing of your app into a working React Native app by attaching it in RNBlocks Studio.
How to Make an App Work Offline
What offline-first means, which data to keep on the phone, and how syncing works when the connection comes back.
How Much Does It Cost to Build and Publish an App with RNBlocks?
RNBlocks plans and creditsplus the separate costs of Apple, Google, Expo and connected services.
Claude Fable 5 Disabled: Inside the US Government's Unprecedented Export Control Order
On June 12, 2026, the US Commerce Department ordered Anthropic to suspend Claude Fable 5 and Mythos 5 worldwide, just three days after launch. Here is the full timeline, the jailbreak that triggered it, and what it means for the AI industry.
How to Get the First 1,000 Users for a Mobile App
The channels that get the first 1,000 mobile app users are mostly manual, mostly free, and mostly done in the wrong order. Here is the sequence that works and why running ads first is the most expensive way to find product-market fit.
Claude Fable 5: What Developers Need to Know About Anthropic's Most Capable Public Model
Claude Fable 5 is the first Mythos-class model Anthropic has made publicly available, and the capability jump is significant. Here is what the benchmarks mean in practice, how the safety architecture works, and what changes for developers using it.
How to Add Push Notifications to an Expo App with Supabase Edge Functions (iOS & Android)
Getting expo push notifications wired to a Supabase backend without OneSignal or Firebase is completely achievable. This guide walks the full stack: token registration, Database Webhooks, and Edge Function dispatch to APNs and FCM.
How to Add In-App Subscriptions to an Expo App with RevenueCat (From Prototype to Paid)
A practical, end-to-end guide to adding in-app subscriptions to an Expo React Native app with RevenueCat, covering paywall prototyping, the Expo Go constraint, store configuration, and which monetization model to ship first.
The React Native App Store Submission Checklist: 13 Gotchas That Trip Up First-Timers
A React Native and Expo submission checklist covering screenshots, privacy, login, payments, build identifiers and reviewer access.
How to Validate a Mobile App Idea Before Writing a Single Line of Code
Most apps fail because founders skip validation. This five-step framework shows you exactly how to validate an app idea before building, using real user feedback, tappable prototypes, and zero code.
Vibe Coding Mobile Apps: What Actually Works in 2026
Vibe coding mobile apps has moved from a novelty tweet to a legitimate development workflow in under two years. Here's an honest look at the tools, the process, and the hard limits you'll hit before shipping.
Best Languages for Mobile App Development in 2026: React Native, Expo Go, and Beyond
Choosing a language for mobile development in 2026 means navigating native, cross-platform, and hybrid options, each with real trade-offs. Here is a clear breakdown for developers and beginners deciding where to start.
Best AI Mobile App Builders for iPhone and Android (2026)
Compare mobile builders by the app they produce, the code you keep and the steps from preview to App Store or Google Play release.
Vibe Coding for Mobile Apps: A Practical Beginner's Guide
Vibe coding is reshaping how people build mobile apps, letting developers and non-developers alike describe what they want and let AI handle the heavy lifting. Here is what it actually looks like in practice.
FlutterFlow vs RNBlocks: Which AI App Builder Ships React Native Apps?
FlutterFlow and RNBlocks both accelerate mobile app creation with AI, but they output entirely different code. Here's a clear-eyed look at which fits a React Native workflow.