I want to create sport training videos like here that requires trimming, merging and audio changing. It would also be extremely useful to change the speed in videos. How can I do them?

1 Answer 1


Working in progress, community effort.

Clipper due to its fast speed and Videoshop due its customisation capabilities are recommended for recreational fitness videos like the video in the question. Please notice that Clipper loses your edits and can only edit one production at a time!

Full-scale almost-desktop-feeling with all kind of bells-and-whistles

  1. iMovie (loading, big product...meant for Movie/Hollywood level stuff, overkill -- so much unnecessary adjusting!)

  2. Videoshop (speed adjusting for each clip, audio for the whole production, possible to work with many productions at a time, unstable and slow to use)

Improvisation producs that make uploading super fast

  1. Clipper (missing speed adjusting, only possible to work on one production at a time -- and clears up memory so you lose your production after a while, bad)

  2. Replay (speed adjusting over the whole production, imposible to specify, example here)

  • Free free to edit if you find faster to me, community answer...
    – hhh
    Dec 23, 2014 at 2:53
  • Hi, this is for Apple products, not Android.
    – Spotlight
    Dec 23, 2014 at 2:55
  • we don't do android stuff, right?
    – Spotlight
    Dec 23, 2014 at 2:58
  • 1
    added more. I couldn't find a counterpart
    – Spotlight
    Dec 23, 2014 at 3:19
  • @awesomebing1 awesome work! I removed the android, nevermind, forget :) I tested the apps (iMovie still loading). I think Clipper is the fastest by which you can do this but iMovie/Videoshop has more control to tune specific locations while the improvisation products are mostly automated. The bad side with Clipper is that it allows only one production and you lose all of your edits after a while...
    – hhh
    Dec 23, 2014 at 5:33

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