Comparison

Penrose vs ExpandNote

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

Head to head

AI notes, voice, offline sync

Free

📊 Productivity

No ratingsView app →

About

Penrose

This private AI assistant operates entirely on your device, offering fast, offline responses without cloud storage or data tracking. It's ideal for secure environments and remote locations, featuring a natural voice mode for seamless interaction.

Highlights

100% private on-device operation
No internet connection required
Ultra-fast local execution
Air-gapped for secure environments
Natural voice mode with speech-to-text
No cloud storage or data tracking

Features

Read full description

Penrose is the ultimate private AI assistant that lives entirely on your device. Unlike traditional AI tools, Penrose doesn't require an internet connection to think, learn, or respond. Why Penrose? • 100% PRIVATE: Your data never leaves your device. No cloud storage, no training on your data, and no tracking. • ULTRA-FAST: Enjoy near-instant responses thanks to high-performance local execution. • AIR-GAPPED: Perfect for researchers, professionals, and anyone who needs intelligence in remote locations or secure environments. • VOICE MODE: Converse naturally with advanced speech-to-text and ultra-low latency.

About

ExpandNote

Features

Read full description

ExpandNote is an AI-powered note-taking app for capturing, organizing, and transforming your notes across devices. Write notes with markdown, add tags, dictate ideas with voice-to-text, and use AI Profiles to automatically process notes based on tags. Email-to-note lets you forward information into your notebook, while offline-first sync keeps your notes available when your connection is unreliable. Create, edit, search, favorite, archive, lock, and restore notes. Organize notes with tags and smart workflows. Use your own OpenAI, Anthropic, or OpenRouter API keys for AI-powered note workflows.

Screenshots

Penrose3 screens

ExpandNote4 screens

Verdict

The call

The clearest difference is in-app purchases: ExpandNote at none against Penrose's 1. On price, update cadence, ads 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. Penrose sells 1 one-off in-app purchase. ExpandNote asks for nothing beyond the download.

UpkeepUpdate frequency

Penrose ships an update monthly, ExpandNote every 3 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 6 level

Penrose versus ExpandNote: the parameters behind the verdict, then further details
Parameter	Penrose	ExpandNote
Price	Free	Free
Update frequency	Monthly	Every 3 weeks — better
Ads	No	No
In-app purchases	Yes	No — better
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	15.1 — better
Further details — not scored
Size	826 MB	37 MB
Age rating	4+	4+
Developer	ABDUL AZIZ RASHID HAMED AL BADI	Altitude Information Systems LLC

In-app purchases

1 purchases

Penrose

One-time1

Lifetime Penrose$1.99

None

ExpandNote

No in-app purchases

Questions

Is Penrose free?

Penrose is free to download, with in-app purchases available.

Is ExpandNote free?

ExpandNote is free to download, with no in-app purchases.

Do Penrose or ExpandNote have ads?

Neither Penrose nor ExpandNote shows ads.

Which is updated more often, Penrose or ExpandNote?

Penrose ships an update monthly, and ExpandNote every 3 weeks. Most recently, Penrose was updated on October 31, 2026 and ExpandNote on October 28, 2026.