The Detailed Guides to Speed up Videos on iPhone for Making Interesting Videos

Creating slow-motion or speed-up videos on iPhone 16/15/14/13/12/11/X is very popular now. It will make your videos more interesting and attractive before you uploading them on social media platforms. It is known that the easiest way to slow down videos on iPhone is using the Slo-Mo camera mode to take slow-motion videos without additional editing. But how to speed up videos on iPhone?

Luckily, you can use the built-in video editor -iMovie to speed up a video on iOS 13/14/15/16. In this way, you can even change the slow-motion videos to regular speed. But to speed up videos on iPhone with more than 2X speed, you need to rely on third-party editor apps. Learn the detailed steps in the following.

Part 1: How to Speed up Videos on iPhone through iMovie

After you update your iPhone to iOS 18/17 or higher version, you can use iMovie, the default speed controller for iPhone to speed up videos on iPhone at any speed less than 2X. Here you can learn about the detailed guide:

Part 2: 2 Efficient Methods to Speed up A Video on iPhone

Since iMovie only supports speeding up videos on iPhone at 2X speed, you should rely on other editor apps to speed up iPhone videos at a faster speed. In this case, there are 2 powerful speed controllers introduced in the following.

1. Slow Fast Slow

As the name said, Slow Fast Slow is a designed app to slow down and speed up videos on iPhone. You can even divide the video into several parts and change the video speed separately. It also supports uploading and sharing the edited videos on social media directly. Learn about the detailed steps below:

2. Kapwing

Although Kapwing is a desktop video speed controller, you can use it online to speed up videos on iPhone. It supports speeding up videos on iPhone up to 4X with simple steps. The steps are listed in the following:

Bonus Tips: How to Speed up Videos on Windows/Mac Freely

When your iPhone is nearly out of storage space, you can choose to sync the videos and speed up iPhone videos on your Windows/Mac. In this case, Aiseesoft Video Converter Ultimate will help you a lot. It's a versatile video converter and editor that supports speeding up iPhone videos, converting video formats, editing video effects, etc.

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Aiseesoft Video Converter Ultimate

• Speed up iPhone videos at a speed between 1X to 8X.
• Able to crop, trim, and add filters to the videos easily.
• Provide 1080p, 2K, and 4K resolution to export high-quality videos.
• Preview the speed control effect before saving the videos.

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Part 3: FAQs about How to Speed up A Video on iPhone

Conclusion

This article has introduced three efficient ways to speed up a video on your iPhone 16/15/14/13/12/11/X. Using iMovie is the easiest way. But to speed up iPhone videos at more than 2X speed, you should rely on professional editor apps. What's more, you can use Aiseesoft Video Converter Ultimate to control video speed on Windows/Mac. Welcome to leave your comments below.

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