Comparison

Private AI vs Elio Chat

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

Head to head
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+)

About

Elio Chat

This AI assistant operates entirely on your device, ensuring all conversations remain private and never leave your iPhone. It offers powerful AI models, image recognition, and voice input, integrating seamlessly with your iOS features like calendar and reminders.

Highlights
  • 100% offline operation
  • On-device AI processing
  • Deep iOS integration (Calendar, Reminders, Photos)
  • Powerful AI models
  • Image recognition
  • Voice input
Features
Read full description

【A Truly Private AI Assistant】 Elio is a completely private AI assistant that runs entirely on your iPhone. All processing happens on-device, meaning your conversations are never sent to the cloud. ■ Why Choose Elio? • Fully Offline - Works in airplane mode • Privacy First - No data ever leaves your device • Works in corporate environments with AI restrictions • No subscription - Free forever after download ■ Deep iOS Integration • Calendar - Check and create events • Reminders - Manage your tasks • Photos - Analyze and search images • Contacts - Search your contacts • Weather - Check forecasts • Location - Get current location ■ Key Features • Powerful AI models (Qwen3, Llama 3.2, etc.) • Image recognition (Vision-capable models) • Voice input (Whisper built-in) • Multi-turn conversations • Search and export conversation history ■ Our Privacy Commitment Elio is your secret-keeping "second brain". Confidential information, personal concerns, work ideas... discuss anything with peace of mind. Download now and experience truly private AI.

Screenshots

Private AI4 screens
Elio Chat4 screens

Verdict

The call

The clearest difference is review sentiment: Elio Chat at 100% against Private AI's 0%. Elio Chat also leads on price (Free vs $4.99) and iOS requirement (17.0 vs 26.0). Private AI's advantage is update cadence (every 2 days vs fortnightly). On ads, in-app purchases and device support 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

Elio Chat is free to download; Private AI costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Private AI ships an update every 2 days, Elio Chat fortnightly. Both last shipped on October 31, 2026.

Scorecard5 real differences · 5 level
Private AI versus Elio Chat: the parameters behind the verdict, then further details
ParameterPrivate AIElio Chat
Price$4.99Free — better
Rating3.5 (2 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 2 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size6 MB34 MB
Age rating+124+
DeveloperGTechnologies LLCYuki Hamada

Customer experience

Private AI

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Elio Chat

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Private AI

No in-app purchases

None

Elio Chat

No in-app purchases

Questions

Is Private AI free?
Private AI costs $4.99, with no in-app purchases.
Is Elio Chat free?
Elio Chat is free to download, with no in-app purchases.
Do Private AI or Elio Chat have ads?
Neither Private AI nor Elio Chat shows ads.
Which is updated more often, Private AI or Elio Chat?
Private AI ships an update every 2 days, and Elio Chat fortnightly. Most recently, Private AI was updated on October 31, 2026 and Elio Chat on October 31, 2026.

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