Comparison

Subtitles AI vs Srt.io

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Subtitles AI

This app automatically generates accurate captions, transcripts, and translations for videos and audio without length limits. It features speaker detection, animated caption styles, and a teleprompter for recording scripts. Export options include SRT, VTT, and burned-in captions.

Highlights
  • Automatic caption generation
  • Multi-language transcription
  • Speaker detection and labeling
  • Animated caption styles
  • Video and audio translation
  • Teleprompter with voice following
  • Export to SRT, VTT, TXT
Features
Read full description

Subtitles AI turns any video or audio into accurate captions, transcripts and translations — with no length limit. Detect who is speaking, animate captions word by word, and record with a teleprompter that follows your voice. AUTO CAPTIONS AND TRANSCRIPTION • Accurate transcription in 99 languages, with the spoken language detected automatically • Several languages in one video: give each part its own language, and the translation follows every line • Video and audio alike: MP4, MOV, M4A, MP3 and more • No length limit: full films, lectures, podcasts and long interviews • Smart punctuation, and captions that end where the sentence ends WHO SAID WHAT • Automatic speaker detection • Every speaker gets a color and a name • Show the speaker's color and name on the video itself • Rename, merge and filter speakers in one tap ANIMATED CAPTIONS • Karaoke captions that light up word by word • Fade, pop, slide and one-word-at-a-time styles • Fonts, colors, outline, background and position • Ready-made styles for short vertical videos TRANSLATE INTO 135 LANGUAGES • Translate captions into 135 languages • Show two languages at once for bilingual viewers • Several subtitle tracks from one recording AN EDITOR THAT FITS THE JOB • Timeline + List, List, Transcript, Timeline, Cards and Speakers views • Drag, trim, split and merge on the timeline • Search and replace across the whole file • Warnings show what still needs fixing AI SUMMARY • One tap turns a long recording into a title and a summary • Key topics and notable quotes, pulled out for you TELEPROMPTER AND AI SCRIPTS • Describe a topic and get a script that is ready to read • Or start from Today's News: pick a story and get a script • The teleprompter follows your voice and scrolls as you speak • Reading guide, countdown, mirror mode and Bluetooth remote • Record with the camera behind the text, or read the script only • Recordings go straight into Projects and start transcribing EXPORT • SRT, VTT and TXT • Burn captions into the video: MP4, MOV, H.265, up to 8K • Add your own logo PRIVACY • Nothing is uploaded without your permission • Your content stays yours TRANSCRIPTION LANGUAGES English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Ukrainian, Polish, Turkish, Arabic, Hebrew, Hindi, Chinese, Japanese, Korean, Vietnamese, Thai, Indonesian, Swedish, Danish, Norwegian, Finnish, Greek, Czech, Romanian, Hungarian and 71 more. SUBSCRIPTION INFORMATION • Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period • Manage or cancel at any time in your App Store account settings • Terms of Use: https://legotechapps.com/subtitles-ai/terms • Privacy Policy: https://legotechapps.com/subtitles-ai/privacy

About

Srt.io

Easily edit video subtitles with a real-time preview. Automatically position subtitles by marking entry and exit points. Supports SRT format for import and export, along with various video file types.

Highlights
  • Real-time video preview during editing
  • Automatic subtitle positioning
  • Slide to delete or edit subtitles
  • Search and locate subtitles
  • Import and export .srt files
  • Supports multiple video formats
Read full description

Srt.io is a video subtitle editing app. Features You can preview the video while editing subtitles, making it easy to edit subtitles for your vlog. After marking the exit and entry points, subtitles will be automatically added to the appropriate positions. For each subtitle, slide left and right ,you can also delete subtitles, mark subtitles and edit subtitles. Click on the subtitle video to locate the relevant position. You can search for subtitles, and if there are related subtitles, they will be located in the relevant location. Import Subtitle support .srt format Video support .mp4 .avi .mov .mkv .wmv .flv .m4v .3gp format Export You can export edited subtitles to .srt format Attention In order to avoid wasting storage space, this app only reads videos and does not store them in the app. It only stores subtitles. Therefore, when opening the last project, you need to select the video file again. You can choose to import from the file or album.

Screenshots

Subtitles AI4 screens
Srt.io4 screens

Verdict

The call

The clearest difference is review sentiment: Srt.io at 100% against Subtitles AI's 19%. Srt.io also leads on in-app purchases (none vs 10). Subtitles AI's advantage is update cadence (every 2 days vs every 4 days) and device support (4 vs 2). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Subtitles AI sells 10 in-app purchases, starting at $6.99 per month. Srt.io asks for nothing beyond the download.

UpkeepUpdate frequency

Subtitles AI ships an update every 2 days, Srt.io every 4 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
Subtitles AI versus Srt.io: the parameters behind the verdict, then further details
ParameterSubtitles AISrt.io
PriceFreeFree
Rating4.5 (4 ratings) — better—
Positive reviews18.7% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 2 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.6 — better17.4
Further details — not scored
Size75 MB8 MB
Age rating4+4+
DeveloperiPhoneTelAvivi健 王

Customer experience

Subtitles AI

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews203 reviews
Positive18.7%
Neutral9.4%
Negative71.9%

Srt.io

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Subtitles AI

Reported bugs

4 issues
  • App crashes during video processing
  • Subtitles not syncing properly with audio
  • Translations completely off or missing words
  • App resets to demo mode even after paid subscription

Requested features

5 requests
  • Add ability to manually edit and position subtitles
  • Improve translation accuracy, especially for non-English languages
  • Provide more language options
  • Allow exporting of transcripts and subtitles without video
  • Improve stability and reduce crashes

Srt.io

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Subtitles AI

Subscriptions8
  • Annual1 Month trial$6.991 Month
  • Basic Monthly3 Days trial$7.991 Month
  • Weekly3 Days trial$9.997 Days
Show 5 more
  • Pro Weekly$12.007 Days
  • Professional3 Days trial$23.491 Month
  • Basic - Annual (Pay up Front)3 Days trial$59.991 Year
  • Pro - Annual3 Days trial$175.991 Year
  • Business$300.001 Month
One-time2
  • CC-Credits Small Pack$3.99
  • Big Translations Pack$9.99
None

Srt.io

No in-app purchases

Questions

Is Subtitles AI free?
Subtitles AI is free to download, with in-app purchases available.
Is Srt.io free?
Srt.io is free to download, with no in-app purchases.
Do Subtitles AI or Srt.io have ads?
Neither Subtitles AI nor Srt.io shows ads.
Which is updated more often, Subtitles AI or Srt.io?
Subtitles AI ships an update every 2 days, and Srt.io every 4 days. Most recently, Subtitles AI was updated on November 6, 2026 and Srt.io on November 4, 2026.

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