Flutter Tools & UI Builder Pro vs WeakSim

Flutter Tools is the ultimate toolkit for Flutter developers — 34+ tools in one beautiful app. DESIGN TOOLS • Gradient Generator — Linear, radial, sweep, and shimmer gradients • Box Decoration Editor — Borders, shadows, radius, and backgrounds • Glassmorphism Generator — Create frosted glass UI effects • Color Palette — Material & Tailwind color palettes with shades COLOR TOOLS • Color Shade Generator — Generate light/dark variants • Color Converter — HEX ↔ RGBA ↔ HSL with live preview CODE TOOLS • JSON to Dart — Convert JSON to typed Dart classes • Snippet Generator — Reusable Flutter code snippets • Base64 Encoder/Decoder — Encode and decode Base64 • Regex Tester — Test and validate regular expressions • Code Formatter — Format Dart code with style options • Lorem Ipsum Generator — Generate placeholder text UI TOOLS • Widget Preview — Preview Material widgets with customizable props • Container Editor — Visual container/styled box editor • Icon Search — Browse and preview all Material & Cupertino icons • Responsive Checker — Test layouts at multiple screen sizes • Animation Curve — Visualize and preview Flutter animation curves ASSET TOOLS • Assets Generator — Generate app icons and splash screens • Package Checker — Check dependencies for updates and security REFERENCE TOOLS • Widget Catalog — Material 3 widget reference with properties & code • Package Explorer — Explore pub.dev packages with install instructions • Dart API Reference — Dart SDK classes, methods, and constructors • State Management Comparison — Compare Riverpod, Provider, Bloc, GetX • Animation Reference — Flutter curves, controllers, and tweens • Git Cheat Sheet — Common Git commands with one-tap copy LEARNING TOOLS • Learning Paths — Structured Flutter learning paths from beginner to advanced • Flutter Roadmap — Interactive roadmap to becoming a Flutter developer • Snippet Library — Curated Flutter code snippets with step-by-step guides • Concept Visualizer — Interactive visualizations of Widget Tree, BuildContext, Constraints UTILITIES • Layout Solver — Detect layout issues and get fix suggestions • Color Accessibility Checker — WCAG contrast compliance checker • Asset Optimizer — Generate pubspec.yaml asset configurations • Release Checklist — Pre-launch checklist for iOS • i18n Manager — Manage localization across EN, ZH, ZH-Hant PRO FEATURES • Remove all ads • Unlock all 30+ tools • Priority access to new tools • Cloud sync your settings • Export & share projects • All future tools included

WeakSim is an iOS weak network simulator. It intercepts device traffic through the system VPN (Packet Tunnel), applying delays, packet loss, bandwidth throttling and other impairments to TCP/UDP packets locally. It reproduces real-world weak network scenarios such as subways, elevators, high-speed trains, and poor signal areas, helping you verify your app's timeout, reconnection, and degradation logic. Core Features: - System-level traffic interception: Based on Network Extension Packet Tunnel, all device traffic goes through weak network simulation. - 9 built-in preset scenarios: 2G / 3G / Weak 4G / Weak Wi-Fi, Subway, Elevator, High Latency, High-Speed Train Disconnection, DNS Timeout. - Customizable network impairment parameters: Latency & Jitter, Packet Loss, Up/Down Bandwidth Throttling, Reordering, Duplication, Tampering, Periodic Disconnection, DNS Failure / Timeout / Error / Domain Hijacking. - Multiple network impairment models: Latency supports Uniform / Gaussian / Long-tail distribution; Packet Loss supports Random / Burst mode, closer to real link fluctuation. Sensitive Data: - WeakSim does not capture network packets; it only applies impairments such as latency, packet loss, and bandwidth throttling to network packets. - WeakSim collects metrics such as the number of uplink and downlink packets, traffic volume, and packet loss count, and stores them locally using SQLite without involving any remote servers. 【Auto-Renewable Subscription】 1. Subscription Service: a) Pro Weekly - Weekly auto-renewing subscription (1 week) 2. Payment: Payment will be charged to your iTunes Account upon confirmation of purchase. 3. Auto-Renewal: Your iTunes account will be charged within 24 hours before the current period ends. Once the charge succeeds, the subscription period will be extended by one term. 4. Cancellation: You can manage or cancel your subscription by going to iPhone Settings → [Your Name] → iTunes & App Store → Apple ID → View Apple ID → Account Settings → Subscriptions. To avoid being charged, cancel at least 24 hours before the end of the current billing cycle. 5. Terms of Service: https://xling-net.github.io/weaksim/terms-of-service.html 6. Privacy Policy: https://xling-net.github.io/weaksim/privacy-policy.html