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Checksub vs Whisply

Both stand on ai video caption generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Checksub

Free plan APIExtensionWeb

Choose Checksub if your video workflow needs subtitling alongside translation, voice replacement, or animated subtitle styling. Look elsewhere if your expected dubbing or lip-sync volume does not fit the listed credit use or plan allowances.

Visit Checksub

Whisply

Free plan LinuxMacWeb+1

Whisply combines local Whisper-based transcription with translation, annotation, and subtitle creation. Its broad export options and batch workflows suit research processing, while speaker labeling adds setup requirements and an accuracy limitation for overlapping speech.

Visit Whisply

The facts

ChecksubWhisply
Free planYesYes
Open sourceNot publishedNot published
Runs onAPI, Extension, WebLinux, Mac, Web, Windows
Lowest paid planJUNIOR: $144 a yearNot published
Plans published6None
MakerChecksubNot published
Websitechecksub.comgithub.com
On ai video caption generators#10 of 99#14 of 99

Checksub: what it does well

  • Generates subtitles automatically or from synchronized scripts.
  • Translates subtitles into 200 languages.
  • Dubbing preserves the background audio.
  • Offers cloned voice replacement in 30 languages.
  • Supports animated subtitle styling and video export.

What to know first

  • Credit use is three minutes per video minute for dubbing.
  • Lip-sync uses five credit minutes per video minute.
  • Starter connects one YouTube channel.
  • Junior limits monthly credits to two hours.

Whisply: what it does well

  • Runs processing on the user's own hardware
  • Supports files, folders, URLs, and input lists
  • Offers CPU, Nvidia GPU, and Apple Silicon processing
  • Exports subtitles and structured transcript formats
  • Provides command-line and local browser interfaces

What to know first

  • Speaker diarization may be inaccurate with overlapping speech
  • Speaker annotation requires a Hugging Face access token
  • Requires FFmpeg and a specific Python range
  • Word alignment supports ten languages

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