For iPhone · Coming soon to the App Store

You talk, PopSub writes.

Turn Turkish, English or German speech in your videos into captions automatically with AI. Stand out on Shorts, Reels and TikTok with styles that highlight every word.

  • Turkish, English and German speech
  • 5 free minutes every month
  • Your video stays on your device

How it works

Captioned video in three steps

  1. 1

    Pick your video

    Import your vertical video from Photos or Files. Trim it, speed it up, combine clips.

  2. 2

    Automatic captions

    One tap transcribes the speech word by word and handles the timing for you. Fixing a wrong word takes seconds.

  3. 3

    Pick a style, share

    Choose one of the ready-made styles and export in 1080p. Ready for Shorts, Reels and TikTok.

Caption styles

Made for short-form video

Nobody knew this
Clean
Nobody knew this
Bold outline
Nobody knew this
Background box
Nobody knew this
Word highlight

Features

Everything you need, on your phone

Automatic captions

Catches Turkish, English and German speech word by word and handles the timing for you. No more typing captions by hand.

Word-highlight styles

The spoken word lights up the moment it’s said. Apply it to the whole video with one tap.

Edit on your phone

Trim, speed up, combine. Your captions stay in the right place as you edit.

Your video stays with you

Your videos and projects stay on your device. Only the audio is processed to create captions.

Quick sign-in

Get started in seconds with your Apple account or your email.

Built for vertical video

Designed for the 9:16 format; 1080p export makes it ready for every platform.

Pricing

5 minutes of free captions every month

Sign up and try it right away. Unused free minutes don’t roll over to the next month.

Need more? Upgrade to Pro inside the app, with monthly and yearly plans: Pro gives you 200 minutes of captions every month, on the yearly plan too. If you need extra time, you can buy a one-time 20-minute pack. Prices are shown in the App Store in your currency.

Request early access

Frequently asked questions

Good to know

Which languages does it support?

PopSub automatically turns Turkish, English and German speech into captions. For Turkish, there are extra improvements for proper names.

Are my videos uploaded anywhere?

No. Your videos and projects stay on your device. To create captions, only the audio of your video is sent to our server. Details are in our Privacy Policy.

How does free usage work?

You get 5 minutes of free captions every calendar month; unused free minutes don’t roll over to the next month. With Pro, you get 200 minutes of captions every month (on the yearly plan, too, it’s 200 minutes every month). If you need more, you can also buy a one-time 20-minute pack.

When is it coming out?

PopSub is currently in testing. Write to us for early access and be the first to know when it’s ready.

How do I delete my account?

In the app, go to Account → Delete account to permanently delete your account and your data on our server.