An AI assistant with no cloud behind it
Summaries, translation and questions run on your device's own AI. There are no credits to run out of, and nothing about your document is sent to us or to anyone else.

Real capture from the App Store listing.
What you can do
On-device AI, tool by tool
The plan that unlocks each tool is on its label; the chips show which platforms have it today.
Summarize a documentPro
A short summary generated on your device.
Needs Apple Intelligence (macOS 26 or iOS 26), an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory (one-time model download: 2.5 GB, or 4.8 GB on PCs with 16 GB).
- Mac
- iPhone & iPad
- Windows
- Android
Translate text or a documentPro
Returns text; a translated PDF is on the way. Needs Apple Intelligence (macOS 26 or iOS 26), an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory (one-time model download: 2.5 GB, or 4.8 GB on PCs with 16 GB).
- Mac
- iPhone & iPad
- Windows
- Android
Ask a question about a documentPro
A conversation with page citations. Needs Apple Intelligence, an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory.
- Mac
- iPhone & iPad
- Windows
- Android
Rewrite, proofread and define textPro
Needs Apple Intelligence (macOS 26 or iOS 26), an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory (one-time model download: 2.5 GB, or 4.8 GB on PCs with 16 GB).
- Mac
- iPhone & iPad
- Windows
- Android
Chat across several documentsPro
Needs Apple Intelligence, an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory.
- Mac
- iPhone & iPad
- Windows
- Android
Edit a PDF by askingPro
Needs Apple Intelligence, an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory.
- Mac
- iPhone & iPad
- Windows
- Android
Generate bookmarks and an outline automaticallyPro
Needs Apple Intelligence (macOS 26 or iOS 26), an Android phone with Gemini Nano, or a Windows PC with 8 GB of memory (one-time model download: 2.5 GB, or 4.8 GB on PCs with 16 GB).
- Mac
- iPhone & iPad
- Windows
- Android
Why Flourish
Private by architecture, not by promise
Most PDF apps quietly send your file to a server to run OCR, conversion, or AI. Flourish PDF has no document upload endpoint at all — which makes it a genuine fit for legal, medical, financial and other sensitive documents.
No upload endpoint
The service has no route that accepts a document. Your file cannot be sent to us because there is nowhere to send it.
OCR and scanning on the device
Apple Vision, Google ML Kit and Windows' own recognizer read the page on your hardware.
AI on the device
Summaries and questions run on Apple Intelligence, Google's on-device models or a Microsoft Phi model on your PC — no credits, no cloud fallback.
Only an account and a plan on our side
Your email, a user id, and which plan is active. Never a PDF, its text, or what you asked about it.
Try on-device ai free
Download Flourish PDF. Every tool is visible from the first launch; a paid plan unlocks the premium ones.