Comparison

CoreCaption vs SubAI

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

Head to head
About

CoreCaption

Features
Read full description

Your Content. Your Privacy. Instant Captions. Stop uploading your unreleased videos to the cloud. CoreCaption is a professional-grade audio and video transcriber designed for creators who value speed, privacy, and precision. By leveraging the power of Apple’s Neural Engine, CoreCaption turns speech into text instantly, right on your device. Why Creators Choose CoreCaption: 100% On-Device Processing: Your media never leaves your iPhone. All transcription is handled locally, ensuring total privacy and offline functionality. Zero Friction: No accounts. No sign-ups. No subscriptions to start. Download and transcribe your first video in seconds. Social Media Ready: Generate captions optimized for Instagram Reels, TikTok, and YouTube Shorts. Pro Export Formats: Seamlessly export your transcripts as .SRT or .VTT files to import directly into Final Cut Pro, Premiere, or your favorite social platform. Key Features Studio-Grade Accuracy: Optimized for the latest A19 Pro chips to handle complex accents and noisy environments with ease. Video & Audio Support: Transcribe video files or voice memos with equal precision. Native iOS Experience: Beautifully designed with full support for Dark and Light modes. Dynamic Text Preview: Edit and refine your transcripts in real-time before exporting. Video Rendering for social media: Render your video and export it directly to social media platforms Optimized for Pro Hardware: Takes full advantage of the iPhone 17 Pro’s neural architecture for lightning-fast results. Privacy-First Workflow In a world of data mining, CoreCaption stands apart. We don't want your data—in fact, we never see it. Since there are no servers involved, your content remains yours and yours alone. It’s the perfect tool for journalists, lawyers, and creators handling sensitive or unreleased material. Compatibility CoreCaption is optimized for devices with the Apple Neural Engine. For the best experience, we recommend: iPhone: 13 Pro and newer (including the latest iPhone 17 lineup). Download CoreCaption today and start transcribing with total peace of mind. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SubAI

Easily generate bilingual subtitles for local videos in seconds. This tool makes foreign language content, online courses, and tutorials more accessible by transcribing speech and embedding subtitles directly into your videos. All processing is done on-device for enhanced privacy.

Highlights
  • AI subtitle generation
  • Bilingual subtitle support
  • Burned-in subtitle recognition
  • Fast subtitle embedding
  • SRT, VTT, TXT export
  • 100% local processing
Features
Read full description

Can't understand foreign videos? SubAI helps you generate bilingual subtitles for local videos in seconds, making movies, online courses, interviews, tutorials, and foreign-language content easier to understand. All processing happens locally on your device — your videos are never uploaded. KEY FEATURES • AI Subtitle Generation Automatically transcribe speech into accurate subtitles. • Multi-Language Subtitles Support for bilingual subtitles in Chinese, English, Japanese, Korean, French, German, and more. • Burned-In Subtitle Recognition Extract subtitles directly from videos with embedded text. • Fast Subtitle Burn-In Embed subtitles directly into videos and export MP4 instantly. • Subtitle File Export Export subtitles in SRT, VTT, and TXT formats. • 100% Local Processing All processing happens on-device. Your videos never leave your phone. USE CASES • Watch foreign videos with bilingual subtitles • Understand online courses and tutorials more easily • Generate subtitles automatically for short videos • Export professional subtitle files for editing SUBSCRIPTION SubAI offers auto-renewable subscriptions. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in your App Store account settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. Subscription pricing may vary by region and plan. Current pricing is displayed inside the app before purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CoreCaption4 screens
SubAI4 screens

Verdict

The call

CoreCaption and SubAI are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. CoreCaption sells 4 in-app purchases, starting at $7.99 per month and SubAI sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
CoreCaption versus SubAI: the parameters behind the verdict, then further details
ParameterCoreCaptionSubAI
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 5 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better18.0
Further details — not scored
Size2 MB152 MB
Age rating9+4+
DeveloperMaen Al Share琦 马

In-app purchases

4 purchases

CoreCaption

Subscriptions2
  • Premium Monthly$7.991 Month
  • Premium Annual$59.991 Year
One-time2
  • Starter Pack: 20 Credits$4.99
  • Creator Pack: 50 Credits$9.99
3 purchases

SubAI

Subscriptions2
  • SubAI Pro Monthly$3.991 Month
  • SubAI Pro Yearly$14.991 Year
One-time1
  • SubAI Lifetime$29.99

Questions

Is CoreCaption free?
CoreCaption is free to download, with in-app purchases available.
Is SubAI free?
SubAI is free to download, with in-app purchases available.
Do CoreCaption or SubAI have ads?
Neither CoreCaption nor SubAI shows ads.

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