A private, customizable AI assistant for chat, writing, coding, and image analysis. It adapts to your needs, allowing you to choose AI models, set personalities, and keep your data local and private. Create content, code, and learn faster with this flexible AI tool.
1.0.9
June 23, 2026
- New: generate AI images and videos straight from your prompts - New: purchase in-app credit packs and pay only for what you use - Improved UI for a smoother experience - Minor bug fixes
More$0.99
50 Credits
Ideal for quick tasks and trying out features
Yes, Principia contains advertisements. Users can earn more credits by viewing short, non-intrusive ads.
Principia is free to start, offering free credits to get you going. There are no subscriptions or hidden fees.
Principia is available for iPhone and iPad devices.
Principia has an age rating of 12+, making it suitable for teenagers and older.
Principia was last updated on April 21, 2026, indicating regular updates and new feature additions.
Principia is designed with privacy-first principles, storing all chats and settings locally on your device, which can facilitate offline functionality for certain features.
Principia differentiates itself by offering full control over AI models and behavior, ensuring data privacy through local storage, and providing flexible, fair access without subscriptions.
User feedback highlights Principia's full control over AI behavior and its powerful text, coding, and image capabilities as key advantages.
