VBooster - fast & slomo video 4+

Video playback speed editor


    • 2.0 • 1 Rating
    • Free



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.

What’s New

Version 4.3

- Fixed minor bugs.

Ratings and Reviews

2.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, REAFO CO., LTD., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers
  • Usage Data

Data Linked to You

The following data may be collected and linked to your identity:

  • Identifiers

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Usage Data
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More

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