Inkelle vs PDF Studio

Inkelle is a handwriting notes app built for iPad and Apple Pencil, combining the freedom of natural handwriting with powerful organization and search. NATURAL HANDWRITING • Smooth PencilKit ink with custom brush presets, pressure sensitivity, and colors • Finger/stylus toggle, zoomed writing mode, automatic shape recognition • Multi-page documents, thumbnail sidebar, page outline, and presentation mode ORGANIZE AND SEARCH • Notebooks, tags, and smart folders for flexible organization • On-device handwriting OCR + Spotlight global search • Trash and version history — recover deletions and roll back changes IMPORT AND ANNOTATE • Import PDFs and annotate them in your own handwriting • Insert photos from your library or camera, add text boxes and stickers • Template backgrounds, export to PDF or image, system share sheet AUDIO AND CALENDAR • Attach voice recordings to your notes to capture ideas on the go • Detect dates in your notes and create calendar events with one tap AI STUDY KIT (OPTIONAL) • Summaries, Q&A, math solving, and auto-generated flashcards (SM-2 spaced repetition) • AI is powered by DeepSeek with your own API key; the app always asks for explicit consent before any text is sent. AI is fully optional — when off, all notes stay on your device and in your iCloud. ICLOUD SYNC • Private sync across your devices via iCloud/CloudKit, stored in your own private container • Home Screen widget for quick access to recent notes Inkelle respects your privacy: OCR runs on-device, there are no analytics or tracking SDKs, and your AI key is stored only in the local keychain. Inkelle Pro unlocks unlimited notebooks with an annual subscription or a one-time lifetime purchase. The free version includes 10 notebooks, and viewing, editing, and exporting your existing notes is never restricted. Privacy & Terms • Privacy Policy: https://inkelle.pages.dev/privacy.html • Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Every PDF tool you need — 100% on your device. PDF Studio reads, edits, scans, converts, signs and protects PDFs with no account, no cloud upload and no tracking. Your files never leave your iPhone, iPad or Mac. And it's a one-time purchase — no subscription. SCAN & CREATE • Scan documents with automatic edge detection • Turn photos or typed text into clean PDFs • Make scans searchable with on-device OCR EDIT & ORGANIZE • Merge, split, reorder, rotate and delete pages • Compress to a target file size • Crop, add margins, page numbers and watermarks CONVERT • PDF to Word, plain text or images — and back FILL, SIGN & PROTECT • Fill forms and sign by hand or with a saved signature • Build fillable forms and extract form data to CSV • Password-protect, unlock and permanently redact • Certify & seal a document and verify it later — fully offline ON-DEVICE AI • Summarize, chat with and translate a PDF — nothing is uploaded MEASURE & MORE • Distance, area and angle with scale • Beautiful on iPhone, iPad and Mac, with iCloud sync for your own library WHY PDF STUDIO • Private by design — everything runs on your device • Pay once, own it forever — no subscription required • No ads, no account, no data collection PDF Studio Pro unlocks every tool with a single purchase or an optional subscription. Terms of Use (EULA): https://birsoftware.com/terms.html