# SubAI - Video Subtitle Helper — Offline Bilingual Subtitles

> Offline Bilingual Subtitles (iPhone/iPad app by 琦 马.)

- Source: https://appshunter.io/ios/app/subai-video-subtitle-helper/id6771306934 (this page in markdown: same URL + `.md`)
- Developer: [琦 马](https://appshunter.io/developer/1543007311)
- Category: Utilities, Photo & Video
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 152 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-05-30
- Data updated: 2026-06-27
- User reviews in markdown: https://appshunter.io/ios/app/subai-video-subtitle-helper/id6771306934/reviews.md

## What is SubAI?

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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| SubAI Pro Monthly | $3.99 | per month |
| SubAI Pro Yearly | $14.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| SubAI Lifetime | $29.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-06-04

• Fixed several known issues.
• Improved overall performance and user experience.
• Enhanced subtitle extraction speed and processing efficiency.

### 1.0 — 2026-05-30

No release notes.

## More apps by 琦 马

- [手机管家365-手机私密相册视频网络密码管家](https://appshunter.io/ios/app/365/id1574832636)
- [LightCam – Night Camera&Light](https://appshunter.io/ios/app/lightcam-night-camera-and-light/id6746153486)
- [三秒证件照-高清版](https://appshunter.io/ios/app/id6748446989)

All apps by 琦 马: https://appshunter.io/developer/1543007311

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-27.*