Nu-Movie ~ Export Video/Audio vs Video Speed Editor - VBooster Usage & Stats
This app allows you to change the playback effects (speed/pitch conversion) and export (video, audio) of videos in your device.
The exported video reflects the playback effects and section settings.
(You can try exporting a video for free the first time. If you want to continue using it, please purchase an in-app purchase.)
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[Note of using this application]
This is the app for playing the video data that is included in the standard app "Photos" or "Videos".
Please confirm that it contains the video data to the standard app "Photos" or "Videos" in device.
If it doesn't include the video data in device, it doesn't display anything in this app.
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Main features :
[ Playback effects ]
- Change speed (1/2 to 2x) (Extended with in-app purchase: 1/8 to 8x)
- Change pitch (±1 octave) (Extended with in-app purchase: ±2 octaves)
Speed and pitch can be changed independently.
[ Section designation UI ]
A section is designated by specifying the start and end times.
Regardless of the loop playback setting, when playback reaches the end section, it returns to the start section. If loop playback is ON, loop playback is performed within the range specified in the section.
[ Export video (.mp4) / audio (.m4a) ]
The export destination can be selected from "storage area of this app" (accessible with the standard app "Files") or "Photos".
The exported video reflects playback effects (speed/pitch) and section settings.
In addition, when a video is exported, audio (audio_normal.m4a) extracted from the video is generated in "storage area of this app".
(The extracted audio is in its original state, without any playback effects or section settings.)
[ Other ]
- Supports landscape display for the player screen.
- Supports selection of background color for the player screen. (clear, white, black)
- Supports background playback.
- Supports display of the player on the lock screen.
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[Note]
When the following dialog is displayed, proceed as indicated.
“Nu-Movie“ Would Like to Access Your Photo Library
→ Select "Allow Full Access"
“Nu-Movie“ would like to access Apple Music, your music and video activity, and your media library
→ Select "Allow"
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- Apple App Store
- Free
- Photo & Video
Store Rank
- -
VBooster is the app for changing playback speed and saving to your camera roll.
[Simple Mode]
Simple Mode is for change playback speed of entire a video easily.
-- Playback speed --
You can change playback speed from x0.1 to x10.0 by 0.1 steps.
-- Sound types --
You can choose 3 types of sounds.
1. Change pitch by speed
2. Keep pitch type A
3. Keep pitch type B
-- Music --
You can add songs as Background music.
-- Music speed --
You can choose 2 types of speed.
1. Up to a speed of the video
2. Original speed
Q.Witch types are better " Keep pitch type A" or "B"?
A. It depends on the sound of the video. So please try both to find the better one.
[Time range mode]
Time range mode lets you change the playback speed of time ranges you specified.
--Add a new time range--
・Seek to the time you want to start a new time range with seek bar.
・Press [+] button to start creating time range, then move to the end of the time range.
・Then, press [check mark] button to finish adding a new time range.
・After added the time range, the playback speed setting screen will be shown, and you can change the speed.
--Overwrite a time range--
・By the default, you can't specify over another time ranges.
・To overwrite another time ranges, turn off the switch that is located on the right side.
--Change playback speed or delete a time range--
・If you want to edit playback speed or delete a time range, tap the time range on the seek bar.
・Then, the edit menu will be shown.
--Other settings--
・You can set BGM/Frame rate and so on as well as Simple Mode.
・To do that, press [gear] button to open settings.
- Apple App Store
- Free
- Photo & Video
Store Rank
- -
Nu-Movie ~ Export Video/Audio VS. 
Video Speed Editor - VBoosterJanuary 13, 2026