JSON DevKit Editor vs KoKo

JSON DevKit is a JSON workbench for iPhone and iPad. View, edit, format, validate, convert, and compare JSON in one place—built for developers, QA engineers, and API testers who need fast answers on mobile. CORE WORKFLOW • Open JSON from the editor, clipboard, files, or a URL • Pretty-print or minify with syntax highlighting and line numbers • Explore structure in tree view or flatten nested data into a table • Run JSONPath queries and inspect matched results • Generate and validate JSON Schema • Compare two JSON documents with a synced side-by-side diff • Convert JSON to CSV, TSV, XML, YAML, TOML, TOON, Markdown table, HTML, or Base64 • Generate model stubs for Swift, Kotlin, TypeScript, Dart, Java, Python, and C# BUILT FOR REAL WORK • Multi-tab workbench keeps source and output snapshots as you switch tools • Large payloads are processed off the main thread with progress feedback • iPhone and iPad layouts adapt to your device—same tools, optimized navigation • Recent history helps you return to earlier documents quickly PRIVACY BY DESIGN • All JSON processing happens on your device • No account required to use core features • Firebase Analytics (Google) collects anonymous usage events only—no JSON content or ad identifiers • No ads, no subscriptions, and no in-app purchases. All tools are included. • Your data stays local unless you explicitly copy, share, or export it Whether you are debugging an API response, checking a config file, or converting JSON for a report, JSON DevKit keeps the workflow focused and fast.

KoKo is a mobile SSH terminal for developers who need to manage AI coding agents on their own Linux servers from iPhone. Supported agents (on your server) • Cursor — agent persist attach / resume • Claude Code — GNU screen sessions • Codex CLI — GNU screen sessions • Gemini CLI — GNU screen sessions Features • Real SSH PTY terminal (colors, cursor, menus, y/n prompts) • Persistent remote sessions (Cursor agent persist; Claude/Codex/Gemini via named GNU screen) • Optional one-tap agent CLI install on the server (with consent) • Generate Ed25519 / ECDSA / RSA keys in-app; private keys stay in Keychain • Host key TOFU confirmation • Shortcut bar: Esc, Tab, Ctrl+J, arrows, Shift+Tab • Local scrollback per session • Agent login assistance (browser OAuth / device codes where applicable) Requirements: your own SSH-accessible Linux server. Agent CLIs run on the server. KoKo does not host user accounts or provide a cloud relay.