Capster: AI Captions for Video
Animated Subtitles & Translate
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Captions that move. Animate and style every word, transcribe speech in 99 languages, and export with captions burned in, exactly as previewed.
Capster turns the speech in your videos into animated, word-by-word captions. Import a clip, tap generate, and every word is transcribed, timed, and ready to style and burn into your video.
Most people scroll with the sound off. Captions keep them watching, and Capster saves you from timing them by hand.
AUTO CAPTIONS IN 99 LANGUAGES
- Import videos from Photos or Files
- Speech is transcribed automatically, with timing for every word
- The spoken language is detected automatically, across 99 languages
- Translate captions into 86 languages, including Spanish, French, German, Portuguese, Hindi and Japanese
- Long lines split into short, readable captions automatically
- No speech in the clip? Add captions yourself
ANIMATED CAPTION STYLES
- 7 ready-made presets: Plain, Yellow Desert, Comics, Pink Sun, Midnight, Glow and One Word
- Every preset plays a live animated preview
- 18 caption fonts, with size, color, letter case and alignment
- Outline, drop shadow, and a background with color, corner radius and padding
- Karaoke-style highlighting gives the spoken word its own color and background
- Word pop, plus fade, slide, scale and pop in and out animations
- Top, center or bottom placement, or place captions exactly where you want
- Save your own styles and reuse them on other videos
Some styles and controls require Capster Pro.
EDIT WORDS AND TIMING
- Tap any caption to fix its text
- Retime a caption by setting its start or end to the playhead
- Split, merge, add or delete captions
- Every change shows on the video instantly
WHAT YOU SEE IS WHAT YOU EXPORT
- Preview and export use the same rendering engine, so your final video matches the preview exactly
- Captions are burned in, so they play everywhere: Reels, TikTok, YouTube Shorts, Stories
- Portrait, square and landscape video, including rotated iPhone footage
- Save to Photos in one tap as a high-quality MP4
YOUR PROJECTS STAY ON YOUR DEVICE
- Every project is saved on device. Rename it, reopen it, or export it again any time
- Try the built-in sample clip with every Pro feature unlocked
- No account or sign-up needed
CAPSTER PRO
The free version includes 5 transcriptions and videos up to 2 minutes. Free exports include a Capster watermark and end card.
Upgrade to Pro for:
- Unlimited automatic captions
- Videos of any length
- No watermark and no end card
- All presets and animations
- Full style controls, including precise caption placement
Transcription requires an internet connection.
Pro is an auto-renewing subscription. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel any time in your Apple Account settings.
Privacy Policy: https://capster.cc/privacy/
Terms of Use: https://capster.cc/terms/
Questions or feedback? arjeshvadadoriya@gmail.com
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
- Rebuilt & Redesign style editor with smoother preset switching
- Emphesise words by Tap-to-pick accent words in a dedicated mode
- Faster caption editing controls always visible
- Video loops while you edit, so you can see changes instantly
The developer, Arjesh Vadadoriya, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Arjesh Vadadoriya
- Size
- 27.5 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- SubCap Pro $29.99
- SubCap Pro $6.99
- Copyright
- © 2026 Arjesh Vadadoriya
