Comparison

Oaklet Notes vs PdfTranslator

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

Head to head
About

Oaklet Notes

This app combines writing, drawing, and structured knowledge in a secure, encrypted vault on your device. Create rich text notes, sketch with Apple Pencil, build mind maps, and organize information with AI assistance, all while keeping your data private and offline.

Highlights
  • Encrypted note vault
  • Rich text and Markdown editor
  • Apple Pencil drawing and SVG export
  • Whiteboard for mind maps
  • Tables with formulas and diagrams
  • Optional local AI integration
  • WikiLinks and knowledge graph
Features
Read full description

Oaklet Notes brings writing, whiteboards, drawing, and structured knowledge together in a single note — kept in an encrypted vault that stays on your device. Write, sketch with Apple Pencil, build mind maps, and handle tables, math, and diagrams — then link everything into your own knowledge graph. It's truly yours: offline-first, encrypted on your own device, with no account to create. TRULY PRIVATE • AES-256-GCM encryption protects every note • Vault password, plus an optional Note Password for sensitive notes • Unlock with Face ID or Touch ID (Pro) • Auto-lock when you step away • Works fully offline — no account to create, and your notes never pass through our servers MULTI-MODAL — EVERY MODE, ONE NOTE • A block-based rich-text editor • Drawing with native Apple Pencil — pressure-sensitive, low-latency, layers, fill, and SVG export • Whiteboard for mind maps and flowcharts, with one-click auto layouts • Tables with formulas, LaTeX math, Mermaid diagrams, code blocks, task lists • Decorations — stickers, sticky notes, tape, and stamps, pinned to your text or floating free PRIVATE AI, ON YOUR TERMS • Connect a local AI model on your own network — no API key, no third-party cloud • Or use your own cloud AI provider • Drafting and rewriting, semantic search, auto-tagging, whiteboard generation, and plain-language tool calling • AI is optional — the app connects to your provider rather than hosting one ORGANIZE & CONNECT • [[WikiLinks]] and ![[embeds]] build your knowledge network • Backlinks panel and an interactive knowledge graph • Hierarchical tags and full-text search SYNC & SHARE ACROSS YOUR OWN DEVICES • Direct Share — send a note straight to a nearby iPhone, iPad, Mac, or PC. Pair once with a code; transfers are encrypted end to end and go straight from one device to the other • Local Sync (Pro) — turn one of your own computers into the sync hub for all your devices. It only ever holds encrypted files, never your password • Prefer your own WebDAV server? Sync through that instead — or keep everything on this device NO LOCK-IN • Notes on your own disk, not a vendor's database • Import and export Markdown anytime; export to PDF, HTML, and Word • Move notes between devices and vaults as .yzn packages, without losing anything Oaklet Notes is free to use. An optional Pro subscription unlocks advanced features — try it free for 30 days in the app. Subscriptions are billed through your Apple ID and can be managed in Settings. Privacy Policy: https://oakletnotes.com/en/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PdfTranslator

Features
Read full description

PdfTranslator: Professional AI Translator Keeping Original Layout. Deeply optimized for various mainstream document types including academic papers, business contracts, patent documents, and presentations. One-tap mutual translation, keeping the original formatting intact. Now optimized for iPad, with annotation and note mode. [ Core Advantages ] - Keep Original Layout: Deeply analyzes the underlying PDF grid. The translated text is perfectly embedded into its original position. Images, charts, tables, and multi-column layouts remain fully intact without shifting, offering a native reading experience. - Dual Translation Engines: Supports both a built-in local translation engine for 100% offline translation and an AI translation engine powered by the latest large language models (LLMs). - 100% Local & Offline: With the local engine, PDF layout analysis, rendering, and translation are completed entirely on your device with zero internet dependence. Medical records, unpublished papers, and confidential business contracts never leave your device, preventing privacy leaks from the source. - Cutting-Edge LLM Driven: Say goodbye to rigid word-for-word translation. The AI engine leverages the latest large language models for deep contextual understanding and semantic reorganization, delivering precise terminology and natural, fluent translations. Only the text fragments needed for translation are sent — your full document is never uploaded, and your translation data is never stored. - Smart Layout Optimization: Intelligently recognizes document elements such as titles and paragraphs. It dynamically plans the display position and font size of the translated text, optimizing readability while respecting the original layout. - Annotation & Note Mode: Mark up PDFs with pen, pencil, highlighter, and lasso tools — precision-tuned for Apple Pencil with palm rejection. Take handwritten notes directly on the page while reading, alongside the translation. [ Features ] - Flexible View Modes: Switch freely among "Original Text Only", "Translated Text Only", and "Bilingual Parallel Translation" modes. - Academic Journal Adaptation: Specially optimized for mainstream academic journal PDFs, perfectly handling complex chart hyphenation and formula text wrapping. - Comprehensive Multilingual Support: Easily translate among over 20 mainstream languages, including English, Japanese, Korean, German, French, and Spanish. - Hardware Acceleration: Fully leverages the computing power of Apple Silicon chips to process hundred-page documents in seconds, providing instant local rendering without the wait. - Scanned Document Support: Built-in OCR capabilities ensure scanned PDFs and documents achieve the exact same layout recognition and high-quality translation results. - Native iPad Support: Optimized for iPadOS with Apple Pencil and Split View, delivering a seamless large-screen reading experience. [ Target Audience ] - Researchers & Students: Swiftly conquer foreign-language academic papers and seamlessly track global research trends. - Legal & Business Professionals: Review commercial contracts, industry whitepapers, and patent specifications offline with total peace of mind. - Avid Readers: Read imported original PDF e-books and long technical manuals without any language barriers. [ Auto-Renewable Subscription Terms ] - Subscription & Pricing: You can subscribe monthly to unlock all premium features. Actual pricing will be displayed inside the app. - Auto-Renewal: Your Apple ID account will be charged for renewal within 24 hours prior to the end of the current period. Once charged, the subscription automatically renews. - Cancellation: To cancel, please turn off auto-renew manually in your iOS Account Settings at least 24 hours before the end of the current billing cycle. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pdf-translator.hyv5.cn/privacy

Screenshots

Oaklet Notes4 screens
PdfTranslator4 screens

Verdict

The call

The clearest difference is update cadence: PdfTranslator at fortnightly against Oaklet Notes's monthly. Oaklet Notes's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On price, 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

Both are free to download. Oaklet Notes sells 2 in-app purchases, starting at $4.99 per month and PdfTranslator sells 2 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Oaklet Notes ships an update monthly, PdfTranslator fortnightly. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
Oaklet Notes versus PdfTranslator: the parameters behind the verdict, then further details
ParameterOaklet NotesPdfTranslator
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size99 MB94 MB
Age rating4+4+
DeveloperOceanoax LLC源 何

In-app purchases

2 purchases

Oaklet Notes

Subscriptions2
  • Pro Monthly$4.991 Month
  • Pro Annual$39.991 Year
2 purchases

PdfTranslator

Subscriptions2
  • Monthly Subscription1 Month trial$14.991 Month
  • Annual Subscription$119.991 Year

Questions

Is Oaklet Notes free?
Oaklet Notes is free to download, with in-app purchases available.
Is PdfTranslator free?
PdfTranslator is free to download, with in-app purchases available.
Do Oaklet Notes or PdfTranslator have ads?
Neither Oaklet Notes nor PdfTranslator shows ads.
Which is updated more often, Oaklet Notes or PdfTranslator?
Oaklet Notes ships an update monthly, and PdfTranslator fortnightly. Most recently, Oaklet Notes was updated on September 13, 2026 and PdfTranslator on September 20, 2026.

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