DevSnoop vs NoteRun

DevSnoop is a web browser with a full developer tools panel built in, for iPhone and iPad. Build a page, load it in DevSnoop, and inspect it right there — no laptop, no cable, no remote debugging setup. DevSnoop's tools work only on pages you open inside DevSnoop, on your own device. WHAT'S INSIDE Console — Live log stream with filter chips for error / warn / info, keyword search, and a JavaScript REPL for evaluating expressions against the page you're testing. Errors, warnings and logs carry the complete stack trace — tap to expand it, just like a desktop console. Download the whole log buffer to a file in one tap. Smart-quote autocorrect is off, so code runs exactly as you typed it. Network — See every request your page makes. fetch() and XMLHttpRequest calls show full headers and bodies; static resources (CSS, scripts, images, fonts, manifest, the main document) are surfaced via the Resource Timing API. WebSocket connections appear too, with a live log of sent and received frames. Tap a row to load its response body on demand, copy it as a cURL command or a fetch() call to reproduce outside the app, or export the session as a standard HAR file you can open in Chrome or Firefox DevTools. Elements — Walk the live DOM tree, expand nested elements, and tap to highlight a node on the rendered page. Useful for tracking down a stray z-index or unexpected CSS inheritance. Storage — Inspect and edit local storage, session storage and cookies for the page you're testing, including the full cookie attribute set (domain, path, expiry, Secure, HttpOnly, SameSite). Edit a value, refresh, and watch how your page responds. BROWSER ESSENTIALS — Tabs, with private tabs that use a non-persistent WebKit data store: cookies and cache stay in memory and are discarded when the tab closes. — Tab session restoration on next launch. — Bookmarks, browsing history, and an editable Quick Access grid (long-press a tile to rename, change the URL, or delete it). — Search engine choice: Google, DuckDuckGo or Bing. — Clear browsing data selectively — history, cookies and site data, or cache. — Support for the modern web APIs your pages expect: getUserMedia (camera and microphone), navigator.geolocation, and WebKit-backed media playback. — Pull-to-refresh, offline error pages, and a mail-app chooser so links open where you want them. PRIVACY — Your browsing history, bookmarks, open tabs and Quick Access shortcuts are stored only on your device. — No accounts, no advertising SDKs, no selling of your data. — Product analytics are strictly opt-in: you're asked once on first launch, nothing is collected until you agree, the data is anonymous (no account, no URLs, no page content), and you can change your choice anytime in Settings. — Crash reports go to Sentry for stability monitoring and never include URLs, page content or personal data. — Full privacy policy: devsnoop.app DevSnoop is a development and testing tool. Its inspector is intended for debugging and testing your own web pages, for learning how the web platform works, and for accessibility and QA checks on sites you are responsible for. Built for the developer checking a layout fix on a real iPhone, the QA engineer running through a release candidate on a test device, the student learning how the DOM and the network stack fit together — and anyone who has wished mobile Safari had a real DevTools panel.

NoteRun runs Jupyter notebooks (.ipynb) on your iPhone and iPad. Before you press Run, it shows what would fail, and it fixes old code, Colab lines and broken paths for you. Free, offline, no account. KEY FEATURES • Fixes old and Colab notebooks: Python 2 print, names removed from NumPy and pandas, Colab-only lines, paths from another computer: one tap fixes them. • Knows before you run: Missing packages, missing files and unsupported commands are listed cell by cell before you press Run. • Sort, filter and group by touch, keep the code: Open a table full screen and tap a column to sort it, filter it, group by it or see its distribution. Add to code writes what you did into the notebook as pandas code. Tables also export as CSV. • Opens from a link: Share a GitHub, Kaggle, gist, Colab or Google Drive page to NoteRun from Safari, or paste its link: one notebook, or a whole GitHub repository to pick from. A project ZIP opens too. The notebook arrives with the data files it names, already checked for what will and won’t run. • Never freezes: Keep typing while a cell runs. Stop halts runaway loops, and says so when it can’t. • Saved as you go: Edits go straight to your .ipynb in Files or iCloud Drive. Changed somewhere else? NoteRun asks first. • 23 packages, built in: NumPy, pandas, matplotlib, SciPy, scikit-learn, statsmodels, SymPy, PyArrow and more come with the app and work offline. Charts open full screen. • Native on iPhone and iPad: Large text, VoiceOver, dark mode and keyboard shortcuts like ⇧↩. In English, Turkish, Japanese and Brazilian Portuguese. AirCode Click AirCode in Google Colab and scan the code with your iPhone. The notebook arrives with its data files and runs as it is. When you’re done, send it back: Colab gets your changes. End-to-end encrypted, no account. The key is only in the QR code. Our server sees only encrypted bytes it can’t read; a code expires in 10 minutes, the way back in 7 days. NoteRun AirCode is a free extension for Chrome on your computer. Up to 10 MB per transfer. Code that uses the internet isn’t supported: urllib, requests and sockets don’t work. Read your data from files. For iPhone and iPad with iOS 17.5 or later, tested on devices with 4 GB of memory or more. No account, no ads, no tracking: NoteRun collects no data.