Prompt 21 vs ObsiKO

Prompt Lab helps you find the right AI prompt fast—and reuse it without digging through Notes, screenshots, or old chats. Save prompts, templates, blocks, workflows, images, and videos in one local library. Tag everything, search instantly, and copy to your AI tool in one tap. No account required. No cloud sync of your library. No AI APIs—just a fast personal prompt workspace. FIND PROMPTS FAST • Search across titles, tags, prompts, and notes on Prompts and Projects • Tags on every card — organize by style, subject, client, or campaign • Collections — group related cards for quick access • Continue, Recently Opened & Most Used — jump back to what you use often • Explore — browse recommended prompts and save them locally • Filter by type — prompts, templates, blocks, workflows, images, and videos SAVE ONCE, REUSE FOREVER • Prompts — copy-as-is text for any AI tool • Templates — {{variables}} you fill in each time • Blocks — mix style + subject + quality in Prompt Builder • Workflows — multi-step sequences with prompts, templates, media, and links • Images & Videos — outputs and references with thumbnails BUILT FOR SPEED • One-tap copy to clipboard • Import from clipboard — save AI replies as cards instantly • Visual card grid — scan prompts and media at a glance • Version history — fork without losing the original • Share via link — send prompt details or import from a shared link • Backup, export & import — move your library between devices PRIVACY BY DESIGN Your library stays on your iPhone. No cloud sync, no tracking, no AI generation. Clipboard access only when you import. Optional anonymous sign-in is used only to browse public prompts in Explore. For AI creators, designers, and prompt engineers who want their best prompts findable in seconds—not buried in folders. Prompt Lab does not generate AI content. Use it with your favorite AI tools.

Tired of converting files or picking plugins? Spent the day on settings and never wrote a line? Plenty of features, none of them talking to each other? Writing, knowledge management, mind maps, reading logs, codices, schedules, file conversion — all in ObsiKO, with no login, payment or subscription. Obsidian vaults (.md·.canvas·.base) open as-is. (AI uses your own API key. With Apple Intelligence on, no key needed.) ■ Made for iPhone Duo · Folded: floating glass buttons and your favorite menus on the right strip · Unfolded: an iPad-style layout with a pinned side panel, books in two pages · Half-folded: the app on top, the keyboard below — like a small laptop ■ Built for Korean · A Korean dictionary and spell checker from the National Institute of Korean Language's data — no key · A "Korean word of the day" widget ■ A focus timer on your Lock Screen · A dial like a real pomodoro clock — tap or drag the ticks in 1-minute steps · Start from the widget without opening the app; time left on the Lock Screen, in StandBy and the Dynamic Island ■ Share and sync (GitHub) · "Share to the web" opens a note at one address — theme, tables, images, comments. Stored in your GitHub, not on our servers · Sync devices through your own repository. Share your LLM wiki as one file or a subscription link that follows your edits ■ Write once, it connects itself · One "color" property tints tabs, headers, tree icons, .base and codex cards · Type "book" and a search fills in the rest; "project" adds dates to the calendar · Highlight a PDF and quotes collect in a note of the same name. Define your own types and relations ■ A graph like the night sky · Links, types, relations and PARA form one constellation — more links, brighter stars · Names appear as you zoom in, and your layout is remembered ■ Infinite mind-map canvas (.canvas) · Apple Pencil drawing, sketches into AI images. Ask the AI and it builds, sizes and colors the map · Grow cards with Enter and Tab, drop in URLs and files. 5 styles, 10+ presets, auto-built maps & dungeons ■ .base files and search · Projects, kanban, cards, charts, a library, PARA and a budget. Dataview queries become tables · Search filenames, full text, Korean jamo, meaning and word forms. Find books and papers, or just ask Siri ■ Dashboard, themes and Markdown · 50+ widgets — calendar, habits, stats, mini games, AI briefing, tarot. 20+ themes, your own fonts · Calm editing tuned for Korean, a format bar, Mermaid, 20+ charts, inline drawing, embeds ■ Writing helper · 70+ structures across 13 genres (Hero's Journey, Save the Cat, TRPG characters, world sheets) · Socratic questions, genre feedback, style polish, your own assistants, on-device translation, read-aloud · One search across dictionaries, thesaurus, hanja, proverbs and Wikipedia ■ Schedules · A date in any file lands on the calendar (Obsidian Tasks compatible) — year to timeline views, widgets, writing reminders ■ Viewers from one line of front matter · Book view (two pages, page turns that follow your finger, covers in the note's color), web-novel view (platform presets) · Messenger and visual-novel views — record the screen and it's a short. Codex view with auto profile icons ■ Clip, convert, export · Web clipper and RSS. Import from Apple Notes, Notion, Evernote, Bear, Logseq and Roam · doc, docx, PDF, hwp and hwpx to Markdown, a reference view for dozens of formats, AI OCR and transcription · Slides with Marp. Export to PDF, HWPX, DOCX, EPUB, HTML, ZIP and wikis ■ AI agent · Just add an API key (Claude, Gemini, GPT) — the app works fully without one · Mind maps and tables on your phone, voice input, and a plan card before big changes · Auto memory, LLM wikis, Zettelkasten folders, slash commands, a prompt helper, MCP No login, no payment, no subscription, no ads. Tell us about bugs anytime. ■ Supported · iPhone, iPad, Mac, Apple Watch / Korean, English, Japanese, Chinese (Traditional, Simplified) · Ready for iOS 27 and iPhone Duo