Comparison

Paper Planner Sidekick vs Private AI

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

Head to head
About

Paper Planner Sidekick

Features
Read full description

YOUR PAPER NOTEBOOK, NOW WITH SUPERPOWERS Numly is the missing link between your analog system and the digital world. Whether you do GTD on paper, keep a paper planner, or take handwritten meeting notes — Numly gives you a simple way to reference any digital content from your pages. Save links, photos, files, and quick thoughts with simple codes you can write anywhere. Index your paper notebook with the digital world. YOUR DIGITAL COMPANION Find something useful online? Save it in Numly, write the code in your notebook, access it anytime. Your paper notes now have superpowers. NOW WITH QUICK NOTES Don't have a URL? Save text notes directly. Capture ideas, quotes, or reminders instantly - perfect for when your notebook isn't nearby. PERSONALIZE YOUR EXPERIENCE Paper lovers customize everything - now Numly does too: - Choose colors for each content type (URLs, photos, files, notes) - Set your own accent color throughout the app - Fresh redesigned cards with your personal color palette - Light and dark mode with your colors HOW IT WORKS 1. Save any link, photo, file, or note - get a simple code 2. Write the code in your notebook, planner, or paper planner 3. Type the code in Numly to access your content instantly PERFECT FOR - paper planner enthusiasts (paper planner + digital = superpowers) - GTD practitioners who plan on paper - Paper planner users who find articles and resources online - Students with handwritten notes and digital references - Meeting note-takers who need to reference URLs and files - Anyone who organizes on paper and lives in a digital world KEY FEATURES - Quick notes for instant text capture - Inbox & Logged workflow for organized tracking - Safari extension for one-tap link saving - iCloud sync across iPhone, iPad, and Mac - Full preview for photos and documents - Clean, distraction-free interface SIMPLE AND FOCUSED No accounts, no ads, no tracking. Just your digital companion, beautifully personalized. One-time purchase. All features unlocked forever.

About

Private AI

This AI assistant operates entirely offline on your device, ensuring 100% data privacy. It allows you to chat with your documents using specialized AI experts and custom prompts, without any internet connection or data uploads.

Highlights
  • 100% private and offline operation
  • Chat with PDFs, code, spreadsheets, and more
  • 25 specialized AI experts and custom prompts
  • No subscriptions or in-app purchases
  • Leverages Apple Intelligence models
  • Zero tracking and zero data uploads
Features
Read full description

Transform how you work with information using Private AI: Document Chat, the AI assistant that keeps 100% of your data private on your device. No internet required. No data uploaded. Ever. 100% PRIVATE & OFFLINE Your conversations, documents, and data stay on YOUR device. Forever. Unlike ChatGPT, Gemini, Claude, or other cloud AI services, Private AI uses Apple's built-in Intelligence models for completely offline, lightning fast responses. Zero tracking. Zero uploads. Zero compromises. Perfect for confidential, sensitive, or personal use. NO HIDDEN COSTS No subscriptions. No in-app purchases. No "premium" features locked behind paywalls. Buy once, use forever. POWERED BY APPLE INTELLIGENCE Built exclusively for iPhone 15 Pro+, iPad M1+, and Mac with Apple Silicon. No large, external vendor model downloads eating your storage - Private AI leverages the powerful AI models already in your device from Apple. Fast, efficient, and always ready. CHAT WITH YOUR DOCUMENTS Upload PDFs, code files, spreadsheets, notes, research papers, meeting transcripts, word documents, and more. With any text-based file, you can ask questions, get summaries, extract insights, analyze data, and more using advanced RAG (Retrieval Augmented Generation) technology. Your personal document library becomes instantly searchable and queryable. 25 SPECIALIZED AI EXPERTS READY TO USE No prompt engineering needed. Just pick your expert: • Study & Learn: Teacher, Summarizer, Simplifier • Coding: Code Expert, Debugger, Technical Writer • Writing: Creative Writer, ReWriter, Spell Checker, Poet, Story Teller • Business: Analyst, Marketer, Meeting Notes, Recruiter, Planner • Creative: Brainstormer, Social Media, Guide Creator, Motivator • Utility: Translator, Pros & Cons, Follow Ups, Concise Mode Plus, create unlimited custom prompts for your specific needs! VS CHATGPT, CLAUDE, GEMINI, & OTHERS They require internet & upload your data → Private AI is 100% offline They charge monthly subscriptions forever → Private AI is yours (one-time purchase) They track your usage & conversations → Private AI has zero analytics, zero tracking They can't guarantee where your data goes → Private AI your data never leaves your device WHO IS THIS FOR? • Students - Study aids, research analysis, essay help, exam prep • Professionals - Confidential docs, reports, presentations, meeting notes • Developers - Code review, debugging, documentation, architecture planning • Writers - Brainstorming, editing, storytelling, content creation • Researchers - Paper analysis, data insights, literature review Anyone who values privacy and wants to leverage AI with sensitive information that absolutely does not belong in the cloud. POWERFUL FEATURES • Multiple isolated conversations - keep contexts separate • Document library - reuse files across chats • Beautiful themes - customize every color • Smart search - find conversations and documents instantly • Markdown support - beautifully formatted responses • No ads, ever - you own the app, not the other way around HOW DOES IT WORK? Private AI uses Apple's Foundation Models that are already on compatible devices. When you upload a document, it's split into intelligent chunks and converted to vector embeddings (mathematical representations of meaning) stored in a local database. When you ask questions, our RAG system finds the most relevant chunks and provides them as context to the AI model alongside your query. The model generates responses using both the retrieved information and its built-in knowledge - all processed locally on your device's Neural Engine. No internet. No APIs. No cloud processing. Just pure, private, on-device AI. Your knowledge. Your privacy. Your control. Download Private AI: Document Chat and experience truly private AI assistance today. REQUIREMENTS: • iOS26 • iPhone 15 Pro or iPhone 16+ models • iPad mini (A17 Pro) or iPad with M1+ • Mac with Apple Silicon (M1+)

Screenshots

Paper Planner Sidekick4 screens
Private AI4 screens

Verdict

The call

The clearest difference is price: Paper Planner Sidekick at Free against Private AI's $4.99. Private AI's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs every 10 days). On ads, device support and iOS requirement 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

Paper Planner Sidekick is free to download; Private AI costs $4.99 up front. Paper Planner Sidekick sells 1 one-off in-app purchase. Private AI asks for nothing beyond the download.

UpkeepUpdate frequency

Paper Planner Sidekick ships an update every 10 days, Private AI every 2 days. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Paper Planner Sidekick versus Private AI: the parameters behind the verdict, then further details
ParameterPaper Planner SidekickPrivate AI
PriceFree — better$4.99
Rating—3.5 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 10 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS26.026.0
Further details — not scored
Size67 MB6 MB
Age rating17++12
DeveloperDavid Collado SelaGTechnologies LLC

In-app purchases

1 purchases

Paper Planner Sidekick

One-time1
  • Numly lifetime$4.99
None

Private AI

No in-app purchases

Questions

Is Paper Planner Sidekick free?
Paper Planner Sidekick is free to download, with in-app purchases available.
Is Private AI free?
Private AI costs $4.99, with no in-app purchases.
Do Paper Planner Sidekick or Private AI have ads?
Neither Paper Planner Sidekick nor Private AI shows ads.
Which is updated more often, Paper Planner Sidekick or Private AI?
Paper Planner Sidekick ships an update every 10 days, and Private AI every 2 days. Most recently, Paper Planner Sidekick was updated on October 18, 2026 and Private AI on October 6, 2026.

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