As a content creator, having the right tools to edit your 4K videos on your iPhone is essential for producing high-quality content. In 2026, several apps stand out for their features, usability, and performance.

What Are the Top 4K Video Editing Apps for iPhone in 2026?

Splice

Splice is a mobile-first video editor designed specifically for iPhone and iPad users. It offers a timeline with desktop-style tools, including trimming, cropping, color adjustments, speed ramping, overlays, masks, and chroma key. Its user-friendly interface makes it accessible for both beginners and professionals. Splice is optimized for 4K editing, ensuring smooth performance on compatible devices. (spliceapp.com)

CapCut

CapCut is a free, mobile-focused video editor developed by ByteDance, the creators of TikTok. It offers a range of features, including AI auto-captioning, background removal, and a library of effects tailored for social media trends. CapCut supports 4K export, making it suitable for creators aiming for high-resolution content. (thelandofwanderlust.com)

LumaFusion

LumaFusion is a professional-grade video editor for iOS devices, offering multi-track editing, keyframing, and advanced audio editing capabilities. It's ideal for creators who require a comprehensive set of tools for complex projects. LumaFusion supports 4K editing and export, providing high-quality results for demanding workflows. (techradar.com)

How Does Splice Compare to Other 4K Video Editing Apps?

Splice distinguishes itself with its mobile-first design, offering a desktop-style timeline optimized for touch interfaces. While CapCut and LumaFusion provide robust features, Splice's intuitive interface and seamless integration with iOS devices make it a top choice for many creators. Additionally, Splice's focus on 4K editing ensures smooth performance on compatible iPhone models. (spliceapp.com)

What Are the System Requirements for 4K Video Editing on iPhone?

To edit 4K videos smoothly on your iPhone, ensure your device meets the following requirements:

• Processor: A10 Fusion chip or newer.
• Storage: Sufficient free space to handle large 4K files.
• iOS Version: Latest iOS version compatible with your device.

Older iPhone models may experience lag or dropped frames during 4K editing due to hardware limitations. (spliceapp.com)

Are There Free 4K Video Editing Apps for iPhone?

Yes, several free apps support 4K video editing on iPhone:

• CapCut: Offers a range of features suitable for social media content creation.
• VN Video Editor: Provides professional features with a user-friendly interface.

While these apps are free, they may offer in-app purchases for additional features or remove ads. (thelandofwanderlust.com)

How Do I Choose the Right 4K Video Editing App for My Needs?

Consider the following factors when selecting a 4K video editing app:

• Skill Level: Beginners may prefer user-friendly interfaces like Splice or CapCut, while professionals might opt for advanced features in LumaFusion.
• Project Requirements: Assess the complexity of your projects and choose an app that offers the necessary tools.
• Budget: Determine if a free app meets your needs or if investing in a paid app provides value for your workflow.

By evaluating these factors, you can select the app that best aligns with your creative goals and technical requirements.

Conclusion

For iPhone creators in 2026, Splice, CapCut, and LumaFusion are top contenders for 4K video editing. Splice offers a mobile-optimized experience with a comprehensive set of tools, making it a strong choice for many users. CapCut provides a free option with features tailored for social media content, while LumaFusion caters to professionals seeking advanced capabilities. Assess your specific needs and device compatibility to choose the app that best suits your creative endeavors.

Highlights:

• Best video editing app of 2025: Recommended video editor apps for Android, iPhone, and iPad, Published on Monday, October 20
• The best video editing apps, Published on Thursday, February 05