Mozilla Firefox is introducing an exciting new feature that blends artificial intelligence (AI) with user-friendly gestures. With the upcoming “Shake to Summarize” functionality, iPhone users can shake their devices to instantly receive an AI-generated summary of the webpage they are browsing. This feature promises to revolutionize how we consume content on mobile devices, making it faster, more innovative, and more accessible. We explain exactly how Firefox Shake to Summarize works on iPhones and its compatibility, benefits, and step-by-step usage so you can maximize the feature the moment it becomes available.
What is Firefox Shake to Summarize?
Shake to Summarize is a new AI-driven feature integrated into the Firefox browser. By simply shaking your iPhone, Firefox will summarize the webpage you view in concise, readable text. This eliminates the need to scroll through lengthy articles, research papers, or product reviews when you only need the key points.
The feature will rely on Apple Intelligence, Apple’s advanced on-device AI model, for iPhone 15 Pro and newer devices running iOS 26. For older devices or iOS versions, Firefox will fall back on Mozilla’s cloud-based AI system to generate summaries.
Compatibility: Which iPhones Support Shake to Summarize?
Mozilla has clarified that the feature is primarily designed for iPhone 15 Pro and later models, as these devices can handle Apple’s on-device AI with exceptional performance and privacy.
- iPhone 15 Pro or newer (with iOS 26) → Uses Apple’s on-device AI.
- Older iPhones with earlier iOS versions → Uses Mozilla’s cloud-based AI servers.
This dual setup ensures that most Firefox users on iOS will still have access to summarization. However, newer devices will enjoy faster results with enhanced privacy since summaries won’t leave the device.
How to Enable and Use Shake to Summarize on iPhone
Follow these steps to start using Firefox Shake to summarize once the feature rolls out:
Update Firefox Browser
- Ensure you have the latest version of iOS Firefox from the App Store.
Enable Shake to Summarize
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- Open Firefox.
- Go to Settings → AI Features.
- Toggle Shake to Summarize on.
Shake Your iPhone
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- While viewing any webpage under 5,000 words, gently shake your iPhone.
- An AI summary box will appear at the top of the page.
Access Through Alternate Options
- If shaking isn’t convenient, you can also:
- Tap the “Thunderbolt” icon in the address bar.
- Tap the three-dot menu at the bottom and select “Summarize Page.”
Turn Off Anytime
- If you prefer not to use this feature, disable it from the same settings menu.
Limitations of Shake to Summarize
While the feature is powerful, Mozilla has placed some boundaries to keep it accurate and efficient:
- Works only on webpages under 5,000 words.
- The initial rollout is limited to the US and English languages.
- Global and Android support will come later.
These limitations are temporary, and Mozilla plans on gradually expanding support worldwide.
Why Use Firefox Shake to Summarize?
There are several compelling reasons why this feature stands out among other AI integrations:
- Time-saving: Get key insights without scrolling through long content.
- Convenience: Trigger summaries instantly with a shake gesture.
- Productivity: Useful for research, studying, or professional reading.
- On-device privacy: Summaries remain fully private for iPhone 15 Pro or newer.
- Multi-access options: Use shaking, icons, or menus depending on your preference.
How Shake to Summarize Compares with Other Browsers
Unlike Safari or Chrome, which rely heavily on cloud-based AI solutions, Firefox is among the first third-party apps to integrate directly with Apple Intelligence. This provides two significant advantages:
- Faster Performance – Summaries are processed directly on-device for iPhone 15 Pro users.
- Enhanced Privacy – Unlike cloud summarizers, data doesn’t leave your phone.
This positions Firefox as a pioneering browser in balancing speed, intelligence, and user privacy.
Practical Use Cases for Firefox Shake to Summarize
Here are some real-world scenarios where this feature becomes invaluable:
- Students: Summarize long research articles for faster exam prep.
- Professionals: Quickly review industry reports, contracts, or whitepapers.
- News Readers: Condense lengthy news pieces into easy takeaways.
- Shoppers: Skim product reviews and highlights before making purchases.
- Casual Browsers: Simplify blogs or opinion articles for quick reading.
How to Avoid Accidental Summarization
One concern users may have is the accidental shaking of their iPhone triggering unwanted summaries. Mozilla has addressed this by:
- Allowing users to disable Shake to Summarize completely.
- Offering icon and menu-based alternatives for triggering summaries.
- Fine-tuning sensitivity to reduce accidental activations.
This ensures the feature remains optional and user-controlled.
Future Expansion of Shake to Summarize
Mozilla has already hinted at future updates:
- Global rollout beyond the United States.
- Support for multiple languages makes it more inclusive.
- Integration on Android devices for cross-platform consistency.
- Potential customization options for summary length and style.
With these planned updates, Firefox’s Shake to Summarize could become a universal AI reading assistant for all mobile users.
Tips to Maximize the Experience
To make the most of this feature:
- Use it on research-heavy or long-form content where summaries are most useful.
- Keep Firefox updated for the latest AI improvements.
- Pair the feature with Reader Mode for distraction-free summaries.
- Provide feedback through Firefox settings to help Mozilla refine the feature.
Wrap Up
The Firefox Shake to Summarize feature on iPhone is set to redefine the way we consume online content. With the simple motion of shaking your phone, users can instantly transform lengthy web pages into short, digestible summaries. Whether you’re a student, professional, or casual reader, this AI-powered tool offers speed, convenience, and privacy in a way that competing browsers haven’t yet matched.
Mozilla’s move to integrate Apple Intelligence sets a new standard for AI in browsers and paves the way for a smarter, more efficient mobile experience. As the feature expands globally and across platforms, it will likely become a must-have tool for millions of Firefox users worldwide.
Selva Ganesh is a Computer Science Engineer, Android Developer, and Tech Enthusiast. As the Chief Editor of this blog, he brings over 10 years of experience in Android development and professional blogging. He has completed multiple courses under the Google News Initiative, enhancing his expertise in digital journalism and content accuracy. Selva also manages Android Infotech, a globally recognized platform known for its practical, solution-focused articles that help users resolve Android-related issues.
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