Comparison

Hermetic vs Personal.AI

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

Head to head
About

Hermetic

Features
Read full description

Hermetic: Harness Apple Intelligence on Your Device Experience the future of AI without needing an internet connection. Hermetic brings the Apple Intelligence Foundation Model directly to your device, offering powerful local access to advanced language processing right from your palm. Key Features: - Local Access: Enjoy the benefits of Apple Intelligence without cloud syncing. - Privacy-Focused: Keep your chats and data secure and private. - Performance: Tap into cutting-edge language processing right from your device. Considerations: - Robustness: While powerful, local models may not match online counterparts like ChatGPT and Claude in every aspect. - Accuracy: Be aware that some information may not always be up-to-date compared to online sources. - Device Requirement: Currently available only on iPhone 16 or above. Download Hermetic today and explore the capabilities of Apple Intelligence on your device! This app description was generated in Hermetic.

About

Personal.AI

An on-device AI assistant that processes information locally for enhanced privacy and structured understanding. It offers web search, local document querying, and agent mode for complex reasoning, all without sending data to external servers.

Highlights
  • On-device AI processing
  • Web search integration
  • Local RAG for document querying
  • Agent mode for multi-step reasoning
  • Offline AI experience
  • Support for quantized models
Features
Read full description

Personal.AI is an on-device AI assistant designed for reading and exploring AI-generated knowledge in a clear, structured, and private way. • All AI runs directly on your device • Interact with powerful models without sending data to external servers • Designed for privacy, readability, and simplicity • Structured answers that make complex topics easy to understand Key Features • On-Device AI Processing All AI runs locally. Your prompts and responses stay private. • Web Search Get real-time answers from the web, even for complex questions. • Local RAG Ask questions using your documents and saved content. • Agent Mode Get smarter answers with multi-step reasoning. • Support for Quantized Models Supports GGUF models for efficient on-device performance. • Offline AI Experience Works fully offline once a model is downloaded. • Model Switching Choose smaller models for speed or larger models for deeper answers. • Structured Reading Interface Clean, layered responses designed for easy reading. • Privacy-First Design No tracking. No data collection. Your data stays with you. Privacy • AI processing happens entirely on your device • No personal data is collected • No data is sent to external servers • No analytics or tracking Our Goal • A non-profit project focused on on-device AI • Built for privacy, readability, and user-first design

Screenshots

Hermetic4 screens
Personal.AI4 screens

Verdict

The call

The clearest difference is update cadence: Personal.AI at weekly against Hermetic's every 5 weeks. Personal.AI also leads on iOS requirement (17.0 vs 26.1). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Hermetic ships an update every 5 weeks, Personal.AI weekly. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
Hermetic versus Personal.AI: the parameters behind the verdict, then further details
ParameterHermeticPersonal.AI
PriceFreeFree
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.117.0 — better
Further details — not scored
Size6 MB15 MB
Age rating4+4+
DeveloperPearson SmithJagadeesh Raghu

In-app purchases

None

Hermetic

No in-app purchases

None

Personal.AI

No in-app purchases

Questions

Is Hermetic free?
Hermetic is free to download, with no in-app purchases.
Is Personal.AI free?
Personal.AI is free to download, with no in-app purchases.
Do Hermetic or Personal.AI have ads?
Neither Hermetic nor Personal.AI shows ads.
Which is updated more often, Hermetic or Personal.AI?
Hermetic ships an update every 5 weeks, and Personal.AI weekly. Most recently, Hermetic was updated on September 16, 2026 and Personal.AI on September 20, 2026.

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