Comparison

Delphi Pro vs Penrose

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

Head to head
About

Delphi Pro

Access advanced AI capabilities on your mobile device for instant answers and creative image generation. This tool is designed to assist with a wide range of queries and creative tasks, making AI accessible anytime.

Highlights
  • AI-powered chat assistance
  • Image generation capabilities
  • Answers to user queries
  • Mobile accessibility
  • Creative tool
Features
Read full description

Delphi brings the power of modern AI to your phone, anytime ready to help you. Delphi is also capable of image generation. You'll get answers to everything on your mind.

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.

Screenshots

Delphi Pro4 screens
Penrose3 screens

Verdict

The call

The clearest difference is price: Penrose at Free against Delphi Pro's $0.99. Delphi Pro's advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases, 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

Penrose is free to download; Delphi Pro costs $0.99 up front. Delphi Pro sells 5 in-app purchases, starting at $7.99 per month and Penrose sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Delphi Pro ships an update every 2 weeks, Penrose monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
Delphi Pro versus Penrose: the parameters behind the verdict, then further details
ParameterDelphi ProPenrose
Price$0.99Free — better
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size23 MB826 MB
Age rating17+4+
DeveloperMoritz MahlerABDUL AZIZ RASHID HAMED AL BADI

Customer experience

Delphi Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Penrose

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Delphi Pro

Subscriptions1
  • Delphi-Premium$7.991 Month
One-time4
  • 20k Token$0.99
  • 50k Token$1.99
  • 100k Token$2.99
Show 1 more
  • 300k Token$4.99
1 purchases

Penrose

One-time1
  • Lifetime Penrose$1.99

Questions

Is Delphi Pro free?
Delphi Pro costs $0.99, and also offers in-app purchases.
Is Penrose free?
Penrose is free to download, with in-app purchases available.
Do Delphi Pro or Penrose have ads?
Neither Delphi Pro nor Penrose shows ads.
Which is updated more often, Delphi Pro or Penrose?
Delphi Pro ships an update every 2 weeks, and Penrose monthly. Most recently, Delphi Pro was updated on November 3, 2026 and Penrose on October 31, 2026.

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