Comparison

Built With for Safari vs Pi Dev Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Built With for Safari

Features
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Built With is a Safari extension that instantly reveals the technologies behind any website you visit. Whether you're a developer exploring the competition, a designer researching tools, or simply curious about how websites are built, Built With gives you the insights you need in seconds. Discover the Stack. Understand the Web. With a single click, Built With scans and identifies over 80 technologies used on any webpage—from popular frameworks like React and Vue to analytics tools, content management systems, fonts, hosting providers, and more. KEY FEATURES: • Instant Technology Detection See what frameworks, libraries, and tools power any website. One click reveals everything from React and Angular to WordPress and Shopify. • Comprehensive Coverage Detect 80+ technologies across multiple categories: JavaScript frameworks, CSS libraries, fonts, CMS platforms, e-commerce solutions, analytics tools, CDNs, customer support widgets, error tracking services, and security tools. • Clean, Native Design Built specifically for Safari with a minimal, platform-native interface that follows macOS design principles. No clutter, no distractions—just the information you need. • Smart Categorization Technologies are automatically organized into clear categories: Frameworks & Libraries, Fonts, CMS, Commerce, Analytics, Hosting & CDNs, Customer Support, Error Tracking, and Security. • Works on Any Website Automatically scans every page you visit. No manual setup, no configuration—just browse and explore. • Privacy-Focused All detection happens locally in your browser. No data is sent to external servers. Your browsing stays private. PERFECT FOR: Developers: Research competitor tech stacks, discover new tools, and learn from successful websites. Designers: Find out what design systems, fonts, and UI frameworks are being used across the web. Students: Learn by exploring real-world implementations of technologies you're studying. Tech Enthusiasts: Satisfy your curiosity about how your favorite websites are built. Recruiters: Understand the technical requirements for positions by seeing what technologies companies actually use. HOW IT WORKS: Built With uses advanced detection methods to identify technologies: • Scans for JavaScript global variables and frameworks • Analyzes DOM structure and HTML attributes • Checks loaded script sources and CDN references • Examines meta tags and generator information • Detects CSS frameworks and design systems All detection happens instantly as pages load, with results ready the moment you click the extension icon. SUPPORTED TECHNOLOGIES: Frameworks: React, Vue.js, Angular, Svelte, Next.js, Nuxt.js, Remix, Gatsby, Astro, SolidJS, Preact, Alpine.js, Ember.js, Backbone.js, htmx, and more CSS: Bootstrap, Tailwind CSS, Material-UI, Ant Design, Chakra UI, Bulma, Foundation, Semantic UI Fonts: Google Fonts, Adobe Fonts, Font Awesome, Material Icons CMS: WordPress, Drupal, Joomla, Wix, Squarespace, Webflow, Ghost, Contentful, Strapi E-Commerce: Shopify, WooCommerce, Magento, BigCommerce, Stripe, PayPal, Square Analytics: Google Analytics, Google Tag Manager, Facebook Pixel, Hotjar, Mixpanel, Segment, Amplitude, Plausible, Matomo Hosting: Cloudflare, Amazon CloudFront, Fastly, Vercel, Netlify, GitHub Pages, Amazon S3, Google Cloud Visualization: Three.js, D3.js, Chart.js, GSAP Utilities: Lodash, Moment.js, Webpack, Vite, Parcel Customer Support: Intercom, Zendesk, Drift, Crisp, LiveChat, Tawk.to Error Tracking: Sentry, LogRocket, Bugsnag, Rollbar Security: reCAPTCHA, Cloudflare Turnstile, hCaptcha Built With helps you understand the modern web, one website at a time. Download now and start exploring the technologies that power the internet.

About

Pi Dev Mobile

Features
Read full description

Pi app companion for pi.dev. This connects to pi server you can run using npx pi-rpc-server

Screenshots

Built With for Safari1 screens
Pi Dev Mobile3 screens

Verdict

The call

The clearest difference is price: Pi Dev Mobile at Free against Built With for Safari's $1.99. Built With for Safari's advantage is chart position (#29 vs unranked) and device support (4 vs 2). On ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Pi Dev Mobile is free to download; Built With for Safari costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard4 real differences · 3 level
Built With for Safari versus Pi Dev Mobile: the parameters behind the verdict, then further details
ParameterBuilt With for SafariPi Dev Mobile
Price$1.99Free — better
Update frequency—Every 2 weeks
AdsNoNo
In-app purchasesNoNo
Best chart rank#29 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better26.1
Further details — not scored
Size18 MB11 MB
Age rating4+4+
DeveloperPierre StanislasOm More

In-app purchases

None

Built With for Safari

No in-app purchases

None

Pi Dev Mobile

No in-app purchases

Questions

Is Built With for Safari free?
Built With for Safari costs $1.99, with no in-app purchases.
Is Pi Dev Mobile free?
Pi Dev Mobile is free to download, with no in-app purchases.
Do Built With for Safari or Pi Dev Mobile have ads?
Neither Built With for Safari nor Pi Dev Mobile shows ads.

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