How to Setup Apple Intelligence in RewriteBar

Introduction

We're excited to announce that RewriteBar now supports Apple Intelligence! With the release of macOS 26 (Tahoe), Apple has opened up their Apple Intelligence API to third-party developers, allowing apps like RewriteBar to leverage Apple's powerful on-device AI capabilities.

This integration brings several benefits:

• Enhanced Privacy: All processing happens on your device
• Seamless Integration: Works natively with macOS
• No Internet Required: Functions completely offline once set up

In this guide, we'll walk you through everything you need to know to get Apple Intelligence working in RewriteBar.

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Requirements

Before you can use Apple Intelligence in RewriteBar, ensure your system meets these requirements:

System Requirements

• Operating System: macOS 26 (Tahoe) or later
• Hardware: Apple Silicon Mac (M1, M2, M3, M4, or newer)
• Storage: At least 7GB of free space for AI model downloads
• Language Settings: Device language and Siri language must be set to the same supported language

Supported Languages

Apple Intelligence supports the following languages:

• English
• German
• French
• Italian
• Portuguese (Brazil)
• Spanish
• Chinese (Simplified)
• Japanese
• Korean

Regional Availability

Apple Intelligence is available in most regions worldwide. However, there are some limitations in the EU due to the Digital Markets Act (DMA). If you're in the EU and Apple Intelligence isn't available, you can still use RewriteBar with other AI providers.

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Constraints

While Apple Intelligence offers excellent on-device AI capabilities, there are some important limitations to be aware of:

Performance Considerations

• Slower Processing: On-device processing is generally slower than cloud-based services
• Model Currency: Apple's AI models may not be as current as some open-source alternatives
• Resource Usage: Processing large amounts of text may impact system performance

Setup Requirements

• Initial Download Time: AI models need to download and initialize, which can take several minutes
• Language Matching: Both device and Siri languages must match exactly
• EU Limitations: Some features may not be available in EU regions due to regulatory restrictions

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Setup Instructions

Follow these step-by-step instructions to enable Apple Intelligence in RewriteBar:

Step 1: Verify System Requirements

1. Check that you're running macOS 26 (Tahoe) or later
2. Confirm your Mac has an Apple Silicon processor (M1, M2, M3, M4, etc.)
3. Ensure you have at least 7GB of free storage space

Step 2: Enable Apple Intelligence in System Settings

1. Open System Settings
2. Navigate to Apple Intelligence & Siri
3. Toggle Apple Intelligence to the "On" position
4. Wait for the system to download and initialize the AI models (this may take several minutes)
5. Keep your Mac connected to Wi-Fi and power during this process

Step 3: Configure Language Settings

1. Go to System Settings > Language & Region
2. Ensure your Preferred Language is set to a supported language
3. Go to System Settings > Siri & Search
4. Set your Siri Language to match your device language exactly

Step 4: Enable Apple Intelligence in RewriteBar

1. Open RewriteBar
2. Go to Preferences > Providers
3. Look for Apple Intelligence in the list of available providers
4. Click on Apple Intelligence to select it
5. Click Test and Verify to ensure the integration is working properly

Step 5: Verify the Integration

1. Try using RewriteBar with a simple text rewrite
2. Check that Apple Intelligence is processing your requests
3. If everything works correctly, you're all set!

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Using Apple Intelligence in RewriteBar

Once set up, using Apple Intelligence in RewriteBar is straightforward:

Available Features

• Text Rewriting: Improve clarity and style
• Grammar Correction: Fix grammatical errors
• Tone Adjustment: Modify the tone of your writing
• Language Translation: Translate between supported languages
• Text Summarization: Create concise summaries

Performance Tips

• Be Patient: On-device processing may take a few seconds longer than cloud services
• Close Other Apps: For optimal performance, close resource-intensive applications
• Keep Updated: Ensure macOS and RewriteBar are always up to date

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Troubleshooting

Apple Intelligence Not Available

• Check macOS Version: Ensure you're running macOS 26 or later
• Verify Hardware: Confirm you have an Apple Silicon Mac
• Check Region: Apple Intelligence may not be available in your region

Models Not Downloading

• Check Internet Connection: Ensure you have a stable Wi-Fi connection
• Free Up Storage: Make sure you have at least 7GB of free space
• Restart Your Mac: Sometimes a restart helps with stuck downloads

Language Issues

• Match Languages: Ensure device language and Siri language are identical
• Supported Language: Verify you're using a supported language
• Restart After Changes: Restart your Mac after changing language settings

RewriteBar Integration Issues

• Check System Settings: Verify Apple Intelligence is enabled in System Settings
• Restart RewriteBar: Close and reopen RewriteBar after enabling Apple Intelligence
• Test Connection: Use the "Test and Verify" feature in RewriteBar

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Conclusion

The integration of Apple Intelligence into RewriteBar represents a significant step forward in on-device AI capabilities. With enhanced privacy, seamless macOS integration, and powerful AI features, this combination offers an excellent writing assistance experience.

By following this guide, you should be able to set up and use Apple Intelligence in RewriteBar successfully. The on-device processing ensures your data stays private while providing reliable AI assistance for all your writing needs.

We're excited to see how this new integration enhances your writing workflow!

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Feedback or Questions

If you have any feedback or questions about using Apple Intelligence with RewriteBar, please feel free to reach out to me via email. We'd love to hear about your experience and any suggestions for improvement!