✶ Guides · Page 26
SwiftUI HealthKit Sleep Chart Template: Build It Right
Build a SwiftUI sleep chart from HealthKit sleep samples with Swift Charts. Here is the data model, the authorization gotcha, and a template to start from.
SwiftUI Preview Canvas Crashes on AI Code: The Fixes
Why AI-generated SwiftUI crashes the preview canvas and how to fix it: Diagnostics-first debugging, preview-safe injection, fixtures, and prevention rules.
Telegram Mini App to App Store: Fixing the Rejection
Why Telegram mini apps get rejected from the App Store (4.2 wrappers, 3.1.1 payments) and the three honest paths: native rebuild, TG-plus-PWA, or hybrid.
Universal Design With AI in React: Accessible by Default
Build universally accessible React UI with AI: start from a free VP0 design and accessible primitives, then verify keyboard, contrast and screen reader support.
UPI and Paytm Deep Linking in SwiftUI: The Safe Pattern
How UPI and Paytm deep linking works in a SwiftUI app: upi:// links, canOpenURL setup, PSP status verification, and the four screens the flow needs.
User Account Deletion Flow: The iOS App Store Rule
If your app lets users create an account, Apple requires an in-app way to delete it. Here is what the rule means, the flow it expects, and a template to build.
CoreBluetooth Swift Templates for Vibe Coding: BLE Done Right
Why AI-generated CoreBluetooth fails and the template that fixes it: a connection state machine, contract-first prompts, buffered data, and real-hardware debugging.
WatermelonDB Offline Storage on iOS via Claude Prompts
WatermelonDB gives a React Native app a fast, offline-first local database. Here is how to structure the schema, models, and sync, and what to prompt Claude for.
Web3 dApp Dashboard React Components: Build It Safely
Build a web3 dApp dashboard in React: start from a free VP0 design, generate wallet, balance and transaction UI, and let the user's wallet hold the keys, always.
Zero-CLS Tailwind Components: No Layout Shift, Better Vitals
Build zero-CLS Tailwind components that never jump: reserve space for images and fonts, use aspect-ratio, and verify the layout shift score in your tools.
How Much Does Lovable AI Cost? (2026 Credits Breakdown)
Lovable is $0 free, $25 Pro, $50 Business, but credits and a hidden cloud bill are the real cost. What a real app actually spends, and how to keep it down.
21st.dev for Vue.js Developers: What Actually Works
21st.dev and Magic MCP are React-first, so Vue output is best-effort. Here are the real Vue UI options, plus the free AI-readable way to build Vue screens.
21st.dev vs Magic UI vs Aceternity: Pick the Right One
21st.dev vs Magic UI vs Aceternity: a registry, animated marketing blocks, and bold effects. See which fits, and how a free VP0 design helps all three.
Best a0.dev Alternatives for Agencies and Freelancers
The best a0.dev alternatives for client work, ranked by code ownership, white-labeling and per-project cost: RapidNative, Rork and FlutterFlow.
a0.dev Alternatives: The Reddit-Honest Shortlist
What developers actually recommend as a0.dev alternatives: Rork, RapidNative, Replit and open-source routes, judged on UI control, cost and lock-in.
a0.dev Bugs and Custom Editing: The Manual Code Escape
When a0.dev hits a bug or can't do custom logic, you need a manual-code escape hatch. Here is how to judge it, and why an exportable codebase is the real safety net.
a0.dev vs Rork: Which One Is Actually Native?
Both a0.dev and Rork build real native apps with React Native, so both are native. The difference: Rork also offers true Swift via Rork Max. Here is what that means.
a0.dev Pricing 2026 Explained: Plans, Messages, Cost
a0.dev pricing in 2026: a free tier, Pro from $20/month, and higher tiers up to $800. Here is what each plan includes and the real cost driver, messages per screen.
a0.dev vs RapidNative for Beginners: Which to Pick
a0.dev vs RapidNative for beginners: a0.dev is fastest to a published app with no setup, RapidNative is best for clean, owned components. Both build React Native.
Accessible Data Table in React 19: A Complete Guide
Build an accessible data table in React 19: semantic markup, aria-sort, selection labels, live-region announcements, and what React 19's new features change.
Aceternity UI vs 21st.dev: Which Should You Use?
Aceternity UI is a free animated component library you copy; 21st.dev is a marketplace plus Magic MCP that generates UI. Here is which to use, and the free pick.
Agritech Offline-First PWA in React: The Architecture
Build an offline-first agritech PWA in React: service worker plus Workbox, Dexie over IndexedDB, a sync queue, and the honest iOS Background Sync caveat.
Agritech Dashboard UI Template: Build One That Works
An agritech dashboard UI template must be glanceable, sunlight-readable and offline-aware. Here are the sections it needs and the free AI-readable way to build it.
AI-Generated Audio Player for React: Build Guide
Generate a clean React audio or podcast player free: start from a VP0 design, build the UI in Cursor, then wire the audio element and accessible controls.