FrameSmoother: 60fps SlowMo

FrameSmoother: 60fps SlowMo

AI Frame Interpolation 120fps

0 ratings
1 review
$1.99
In-App Purchases

Details

Released
June 3, 2026
Updated
October 20, 2026

Features

FrameSmoother: 60fps SlowMo screenshot #1 for iPhone
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FrameSmoother: 60fps SlowMo screenshot #9 for iPhone
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About

Transform choppy videos into smooth footage with AI-powered frame interpolation. Achieve fluid slow-motion effects up to 8x, or convert videos to 60 or 120fps. Process videos locally on your device for enhanced privacy.

✓AI frame interpolation for smooth motion
✓Slow motion up to 8x
✓Convert to 60 or 120fps
✓Trim video sections
✓Anime frame de-duplication
✓Local video processing
✓Before/After comparison slider
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What's New in FrameSmoother

1.0.12

October 20, 2026

Features added in recent updates are now shown on the App Store page: • Slow motion at 2x / 4x / 8x. In-between frames are generated rather than repeated • Trim: process only the part you choose • Anime: remove duplicate frames from anime drawn on twos or threes

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Subscriptions & In-App Purchases

$6.99

Lifetime

Unlocks unlimited AI video interpolation.

User reviews

拉完了,不知道评论区怎么发视频,但是我把帧率清晰度全调到最高以后啥也看不清,帧率甚至可能只有30帧。我刚买了5分钟发起退钱也不给退,垃圾软件,骗钱的

差

Response from developer

Keine;Ahnung 您好: 非常抱歉让您失望了,也感谢您告诉我们具体的情况。 关于退款:App Store 的购买和退款由 Apple 处理,开发者看不到订单,也无法办理退款。您可以登录 reportaproblem.apple.com,选择这次购买并申请退款;如果未获批准,也可以联系 Apple 支持。 关于"帧率好像只有 30 帧":iPhone 的"照片"App 可能会把 120fps 的视频当作慢动作视频播放,把中间部分放慢,这时每秒显示的画面大约只有 30 帧。我们已发布 1.0.11 版本,针对这个问题进行了处理:超过 60fps 的输出即使选择了 MP4,现在也会保存为 .mov(编码仍为 H.264),并在文件中写入以正常速度播放的信息。请更新到 1.0.11 或更高版本后重新转换视频。用旧版本转换的视频没有这项信息,仍可能被当作慢动作播放。对于这些视频,可以在"照片"中打开并轻点"编辑",把视频下方带竖线的慢动作条两端拖到一起并轻点"完成",即可按正常速度播放。也可以在 FrameSmoother 中把输出帧率改为 60fps(60fps 的视频不会被当作慢动作)。如果更新后新转换的视频仍然变慢,请通过下面的邮箱告诉我们。 关于画面看不清:补帧是在原有画面之间生成新的画面,动作很快或画面变化很大的场景可能会出现模糊或重影。评论区无法上传视频,如方便,请把设备型号、原视频的帧率和分辨率、所选的设置,以及效果不好的视频发送到 konpei.work@gmail.com,我们会仔细查看。 — English — Hi Keine;Ahnung, We're very sorry to have let you down, and thank you for describing what happened. About the refund: App Store purchases and refunds are handled by Apple. Developers can't see orders or issue refunds. You can sign in at reportaproblem.apple.com, select this purchase and request a refund; if it isn't approved, you can also contact Apple Support. About "it looks like only 30 fps": the iPhone Photos app may play 120 fps videos as slow-motion videos, slowing down the middle part; while it's slowed down, only about 30 frames are shown per second. We've released version 1.0.11 with a change that addresses this: output above 60 fps is now saved as .mov even if you choose MP4 (the codec stays H.264), and the file includes information asking for playback at normal speed. Please update to 1.0.11 or later and convert your video again. Videos converted with earlier versions don't have this information and may still play in slow motion. For those videos, open the video in Photos, tap "Edit", drag both ends of the slow-motion bar with vertical lines below the video together, and tap "Done" to play it at normal speed. You can also choose 60 fps as the output frame rate in FrameSmoother (60 fps videos aren't treated as slow motion). If a video converted after updating still slows down, please let us know at the email address below. About the blurry image: frame interpolation creates new frames between the original ones, so very fast motion or big changes between frames can look blurry or show ghosting. Reviews can't include videos, so if you can, please email konpei.work@gmail.com with your device model, the original video's frame rate and resolution, the settings you chose, and the video that didn't look right, and we'll take a close look.

Developer apps

FAQ

How does FrameSmoother create smooth video?

FrameSmoother uses AI to compute and generate in-between frames for your video. This process creates smoother motion compared to simply repeating existing frames, especially for slow-motion effects or frame rate conversions.

What are the slow motion capabilities of FrameSmoother?

FrameSmoother allows you to slow down videos by up to 8x. It generates new frames to maintain fluid motion, preventing the stutter often seen in traditional slow-motion.

Can FrameSmoother convert videos to higher frame rates?

Yes, FrameSmoother can convert your videos to a target frame rate of 60fps or 120fps. It can also apply multipliers like 2x or 4x to increase the frame rate.

Is FrameSmoother available on Android devices?

FrameSmoother is currently only supported on iPhone devices running iOS 16 or later.

How much does FrameSmoother cost?

FrameSmoother is a one-time purchase priced at $1.99. There are no subscriptions or ads included with the purchase.

Does FrameSmoother have ads?

No, FrameSmoother is ad-free. The app is a one-time purchase and does not contain any advertisements.

How often is FrameSmoother updated?

The latest version of FrameSmoother is 1.0.12, which was last updated on October 20, 2026. Updates typically address performance improvements and feature enhancements.

Is my video data safe with FrameSmoother?

Yes, your video data is safe. All video processing is done locally on your iPhone, and FrameSmoother does not upload or gather any user data.