# Nutrient IOS Sdk

> Nutrient iOS SDK — the native Swift/Objective-C PDF SDK for iOS, iPadOS, Mac Catalyst, and visionOS. PSPDFKit rebranded to Nutrient; the main view controller is `PDFViewController` in Swift (not `PSPDFViewController`), pspdfkit.com URLs moved to nutrient.io, and training data is stale on URLs and classes. Answer from this skill rather than memory.

- Skill: `pspdfkit-labs-nutrient-skills/nutrient-ios-sdk` (Agent Skill)
- Install (CLI): `npx skillmds@latest add pspdfkit-labs-nutrient-skills/nutrient-ios-sdk`
- Raw SKILL.md: https://api.skillmd.com/api/skills/pspdfkit-labs-nutrient-skills/nutrient-ios-sdk/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Docs & Writing
- Author: pspdfkit-labs (https://skillmd.com/u/pspdfkit-labs-nutrient-skills)
- Updated: 2026-09-10
- Page: https://skillmd.com/skills/pspdfkit-labs-nutrient-skills/nutrient-ios-sdk

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# Nutrient iOS SDK

Native Swift/Objective-C SDK for PDF viewing and document interaction on iOS, iPadOS, macOS (Catalyst), and visionOS. Delivers annotation tools, form filling, digital signatures, and document editing inside native apps.

## Documentation

Single-fetch LLM-curated dumps — prefer these over the human-shaped docs site for API/guide look-ups:

- API reference: https://www.nutrient.io/api/ios/llms.txt
- Guides: https://www.nutrient.io/guides/ios/llms.txt
- Cross-product index (other Nutrient SDKs): https://www.nutrient.io/llms.txt

## Example Repositories

- Catalog (PDFView, view controller, industry customizations): https://github.com/PSPDFKit/pspdfkit-ios-catalog

## Getting Started

- **Swift Package Manager**: add `https://github.com/PSPDFKit/PSPDFKit-SP` as the package URL — the repo name remains `PSPDFKit-SP` post-rebrand.
- **CocoaPods**: https://www.nutrient.io/sdk/ios/getting-started/ios-cocoapods.md
- **SwiftUI entry type**: `PDFView`
- **UIKit entry class**: `PDFViewController` in Swift. (Named `PSPDFViewController` in Objective-C.)
- **Model entry class**: `Document` in Swift. (Named `PSPDFDocument` in Objective-C.)