# Fast Slow Motion Video Editor — add music and audio to video

> Video editor for adjusting playback speed and adding music with audio effects. (iPhone/iPad app by 闹 罗.)

- Source: https://appshunter.io/ios/app/fast-slow-motion-video-editor/id1516944883 (this page in markdown: same URL + `.md`)
- Developer: [闹 罗](https://appshunter.io/developer/1251365249)
- Category: Photo & Video, Utilities
- Price: Free
- Rating: 4.58/5 from 127 App Store ratings · 15 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 21 MB
- Languages: English, French, Italian, Japanese, Russian, Chinese, Spanish, Chinese
- Released: 2020-06-06
- Data updated: 2026-08-30
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/fast-slow-motion-video-editor/id1516944883/reviews.md

## What is Fast Slow Motion Video Editor?

Advanced Slow Motion and Fast Motion Video Editor. Control Your Video Speed As You Want!The perfect background music! BackgroundMusic gives you countless options of soundtracks to add life to your videos and make them even more amazing.
Slow Motion Video Editor Speed is the best way edit the playback speed of your videos.
• Pick which moments you want slowed down.
• Adjust video speed form particular frames.fast slow fast.
• Make your video play faster.
• Add music tracks to your videos
• Edit audio by trimming, adding fade-in and fade-out effects

## Key features

- Adjust video playback speed
- Create slow motion effects
- Create fast motion effects
- Add background music
- Trim audio tracks
- Add fade-in/out audio effects

## Recent user reviews (10 of 15)

All indexed reviews: https://appshunter.io/ios/app/fast-slow-motion-video-editor/id1516944883/reviews.md

### 1/5 — Trash

*2024-10-05, version 1.5*

No offense but trash

### 5/5 — Me gusta mucho esta app

*2023-07-05, version 1.5*

Es muy buena y la recomiendo

### 3/5 — Na

*2023-02-25, version 1.5*

Na

### 5/5 — Memory Lane Productions

*2022-10-17, version 1.5*

Groovy man I spent a lot of money on my non-linear over 100,000 it’s sickening that these apps do this

### 5/5 — Superb 👍

*2022-10-05*

This app Totally superb work 👍

### 5/5 — Ctopp

*2022-07-24*

C top

### 3/5 — Need Update

*2022-06-28, version 1.5*

As I was editing my videos of speeding up, it was not the same sounds as I wanted it to be, I wish this app has a “Keep Original Pitch” to make this better.

### 5/5 — Slow n ez

*2021-11-19, version 1.5*

Love it.. I take videos of fast moving things and slowing it down makes a difference

### 1/5 — Mi opinión

*2021-10-10, version 1.5*

Fue horrible se traba mucho

### 5/5 — Love

*2021-09-13, version 1.5*

Live this app!   Easy to use 👏🏽

## Frequently asked questions about Fast Slow Motion Video Editor

### What does this app do?

This app allows you to edit the playback speed of your videos, creating dramatic slow motion or fast-paced effects. You can also add background music and apply audio effects like trimming and fades.

### How can I control video speed?

You can pick specific moments in your video to slow down or speed up. The app lets you adjust the video speed from particular frames, giving you precise control over the playback.

### Can I add music to my videos?

Yes, you can add background music tracks to your videos. The app offers numerous soundtracks to enhance your clips. You can also edit the added audio by trimming it or applying fade-in and fade-out effects.

### Is this app free to use?

The application is free to use, but it is supported by advertisements. There are no in-app purchases mentioned for unlocking features or removing ads.

### What kind of videos can I create?

You can create dynamic videos by altering playback speed. This includes making sections of your video play in slow motion for dramatic effect or in fast motion to convey urgency or humor. Adding music and audio effects further enhances the final product.

## Version history (last 5 releases)

### 1.5 — 2021-04-27

- fix some bugs

### 1.4 — 2020-12-10

- fix some bugs

### 1.3 — 2020-09-07

- fix some bugs
- add Localization

### 1.2 — 2020-07-13

- add music to video
- add more filter and effects
- operate more easy

### 1.1 — 2020-07-06

- Add Background Music To Video
- Videos editor with clip make
- Volume control for audio or music

## Apps similar to Fast Slow Motion Video Editor

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [CapCut: Photo & Video Editor](https://appshunter.io/ios/app/capcut-photo-and-video-editor/id1500855883) | 4.6 (1,118,649) | Free | Photo & Video |
| [Splice - Video Editor & Maker](https://appshunter.io/ios/app/splice-video-editor-and-maker/id409838725) | 4.6 (426,556) | Free | Photo & Video |
| [InShot - Video Editor](https://appshunter.io/ios/app/inshot-video-editor/id997362197) | 4.8 (2,479,638) | Free | Photo & Video |
| [Slow Motion Video Fx Editor](https://appshunter.io/ios/app/slow-motion-video-fx-editor/id1205232635) | 4.7 (17,051) | Free | Photo & Video |
| [Slow Motion Video Maker Editor](https://appshunter.io/ios/app/slow-motion-video-maker-editor/id1080942736) | 4.1 (9,583) | Free | Photo & Video |
| [Slow Motion Video & Speed Up](https://appshunter.io/ios/app/slow-motion-video-and-speed-up/id919892642) | 3.7 (240) | Free | Photo & Video |

## More apps by 闹 罗

- [Tube Movies](https://appshunter.io/ios/app/tube-movies/id1251365250)
- [Cloud Player - Manage Files](https://appshunter.io/ios/app/cloud-player-manage-files/id1272994353)
- [Twitchy Client for Twitch TV](https://appshunter.io/ios/app/twitchy-client-for-twitch-tv/id1286482011)
- [Smash for Smashcast & hitbox](https://appshunter.io/ios/app/smash-for-smashcast-and-hitbox/id1297343174)
- [Live Video Wallpapers](https://appshunter.io/ios/app/live-video-wallpapers/id1475718861)
- [Live Wallpapers & Clock](https://appshunter.io/ios/app/live-wallpapers-and-clock/id1476480262)

All apps by 闹 罗: https://appshunter.io/developer/1251365249

## Related topics

[video slow fast speed editor](https://appshunter.io/ios/topics/video-slow-fast-speed-editor) · [slow down video audio](https://appshunter.io/ios/topics/slow-down-video-audio) · [fast slow video](https://appshunter.io/ios/topics/fast-slow-video) · [fast motion](https://appshunter.io/ios/topics/fast-motion) · [slow down video edit](https://appshunter.io/ios/topics/slow-down-video-edit) · [slow video editor](https://appshunter.io/ios/topics/slow-video-editor) · [slow fast motion video editor](https://appshunter.io/ios/topics/slow-fast-motion-video-editor) · [slow down edit](https://appshunter.io/ios/topics/slow-down-edit) · [fast video editing](https://appshunter.io/ios/topics/fast-video-editing) · [camara lenta](https://appshunter.io/ios/topics/camara-lenta) · [faster video](https://appshunter.io/ios/topics/faster-video) · [video making slower](https://appshunter.io/ios/topics/video-making-slower) · [fast video editor](https://appshunter.io/ios/topics/fast-video-editor) · [fuchsia](https://appshunter.io/ios/topics/fuchsia)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-30.*