Subtitles vs Dubbing: Which Should You Use?

Side by side

Original voice

Subtitles keep it; dubbing replaces it.

Viewer effort

Subtitles require reading; dubbing lets viewers watch freely.

Muted viewing

Subtitles work on mute; dubbing doesn't.

Accessibility

Subtitles help deaf and hard-of-hearing viewers; dubbing helps people with low literacy or vision.

Cost with mydubly

Subtitles 1 credit per minute; dubbing 50 credits per minute.

Several speakers

Subtitles handle them naturally; AI dubbing uses one voice.

Choose subtitles when…

• The speaker's own voice and personality matter (interviews, vlogs, documentaries).
• Viewers mostly watch on mute — social feeds, office settings.
• The video has several speakers in conversation.
• Budget is the priority.

Choose dubbing when…

• Viewers need their eyes on the picture — tutorials, demos, training.
• Videos are long; reading subtitles for an hour is tiring.
• Your audience prefers dubbed content or includes children.
• There's one main narrator.

Or do both

A dubbed video with optional subtitles covers every viewer. With mydubly, a full translation run already includes SRT and VTT files alongside the dubbed MP4, so you don't pay twice.

What each option costs besides credits

The comparison above covers credits; the larger costs are often time, attention and flexibility later on.

Review effort

Subtitles: a reviewer reads text against text. Dubbing: someone also has to listen to the voice, so plan for a full playback.

Post-production

Subtitles: attach a file. Dubbing: the original music and effects are kept under the translated voice, but someone should listen for traces of the original voice in dense mixes; dubbing a dialogue-only export and mixing the translated voice with a clean music stem in an editor is optional.

Fixing a mistake later

Subtitles: edit one line in a text file and re-upload. Dubbing: patch the audio in an editor or rerun the job.

Publishing

Subtitles: one video with extra tracks. Dubbing: a separate video per language, or a platform that supports extra audio tracks.

Viewer control

Subtitles can be turned off. A separate dubbed upload can't be switched back to the original voice.

Scenarios where both have a case

Neither option wins across the board. In each of these, both sides have real arguments:

• Customer onboarding series: a dub lets new users follow along while clicking through the product; subtitles keep a presenter's voice that users may already know from sales calls.
• Children's educational clips: young viewers who can't read yet need audio, while parents watching alongside may prefer the original with subtitles. See translating videos for children.
• Documentary interviews: subtitles preserve each interviewee's voice and emotion; a dubbed version can still serve audiences who strongly prefer listening, provided they accept one voice for everyone.
• Compliance training: a dub reduces the chance that viewers miss content while watching the screen; subtitles give a text record that reviewers can sign off line by line.
• Social clips: subtitles serve muted autoplay; a dub serves viewers who have sound on and don't want to read.
• Video essays and commentary: the creator's delivery is part of the product, which favours subtitles; but long, text-dense essays are tiring to read for twenty minutes, which favours a dub.
• Product launch videos: a dub makes the message land for viewers skimming with sound on; subtitles let the founder or brand voice stay recognisable across every market.
• Recorded lectures: a dub frees students to watch the board or slides; subtitles let them pause and copy terms exactly as written, which matters for technical vocabulary.

Getting both from a single job

In mydubly, a dub-mode run produces the translated video plus SRT and VTT files in the target language. Those subtitles follow what the voice actually says, including lines shortened to fit timing, so viewers who switch them on read the words they hear. If you also want subtitles carrying the fuller translation for the original-language video, that is a separate transcript-mode run at 1 credit per minute. The one-voice limitation, and why it matters more for some videos than others, is covered in single-voice vs multi-voice dubbing.

Costs at common lengths

1-minute clip

Subtitles 5 credits (0.5¢); dubbing 100 credits (10¢)

5-minute explainer

Subtitles 5 credits (0.5¢); dubbing 250 credits (25¢)

30-minute webinar

Subtitles 30 credits (3¢); dubbing 1,500 credits ($1.50)

90-minute lecture

Subtitles 90 credits (9¢); dubbing 4,500 credits ($4.50)

Above the per-file minimums, both scale with length, and each language is a separate run. Because a subtitle run costs so little, some teams subtitle every video in a language and decide on dubs one video at a time. Start a subtitle run in the subtitle generator or a dub in the AI dubbing tool.

Testing with your own audience

1. Pick two comparable videos aimed at the same language market, similar in topic and length.
2. Publish one with translated subtitles and one dubbed, with subtitles available on the dub too.
3. Compare average view duration and how many viewers reached a key moment such as a demo or call to action, not only total views.
4. Repeat with a second pair before deciding; a single test can be skewed by topic or timing.

Read comments in the target language too, since viewers there can tell you directly which version they would rather watch. Whatever you learn applies to that audience and that kind of video; a different market or format may answer differently.