whatSub vs iSub Player

whatSub 是一款「看视频学英语」的精读工具,把你想看的英文视频变成可逐句精读的双语课堂,并扩展到拍照、相机、口语等真实场景。 ■ 双语字幕精读 逐句对照的中英字幕,点句即可定位播放;自托管视频免 VPN、秒开秒跳转,横屏全屏沉浸观看。 ■ 长按收藏即建个人语料 长按任意字幕一键收藏到云端「个人语料库」,带音标、离线英汉词典即点即查,可一键 AI 翻译 + 解释 + 写笔记。任意一端添加,所有端立刻可见。 ■ 单词卡测验 英→中四选一,自动出题,带音标 + 发音 + 真实例句;答错重试、答对显示完整释义,科学复习。 ■ 对话陪练 + 视频角色扮演 QuickChat 基于你收藏的短语生成 60-90 秒 AI 口语对话;每个 Library 视频可单独生成「角色扮演」场景(海关、餐厅、咖啡店等),按住语音录制 → 与 AI 全英文对练 → LLM 每轮逐句评分 + 修正。 ■ 「眼前」相机学习 · 拍照翻译:对一段英文拍照,本机离线 OCR + AI 翻译全文 + 提取重点短语,挑选加入语料库; · 实景口语练习:拍一张任意场景(街景、咖啡店、家中),AI 给你出一道英语口语题,按住麦克风说一句,AI 评分 + 给参考答案。 所有图像在本机离线处理,照片本身永不上传到服务器。 ■ AI 由 whatSub 托管,无需自配 API Key 所有 LLM 调用通过 whatSub 服务器中转,免费版送 200,000 token 体验额度;如有自己的大模型兼容接口,可在「我的 → LLM 设置」切换为自带 Key。 ■ 多端同步 桌面端 (whatsub.eversay.cc 下载) 负责视频导入与字幕生成,手机端 + 网页插件即时同步,随时随地学习。 —————— 订阅说明 whatSub Pro 为自动续期订阅,解锁: · 公共语料库 · 50 个云端视频(每个最大 500MB / 60 分钟) · 1,000 条个人语料库 · 月度 5,000,000 token 的 LLM 中转额度(覆盖陪练、翻译、出题、评分) 价格(以 App 内显示为准): · 包月 ¥22 · 包年 ¥168 · 付款将在确认购买时记入你的 Apple ID 账户; · 订阅会自动续期,除非在当前周期结束前至少 24 小时关闭自动续期; · 续费在到期前 24 小时内扣除; · 购买后可在「设置 › Apple ID › 订阅」中管理或关闭自动续期。 未订阅亦可使用免费版:3 个云端视频 / 50 条个人语料 / 200K LLM 体验额度,所有学习功能均可试用。 隐私政策:https://whatsub.eversay.cc/privacy 使用条款 (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

With features such as dual subtitles, an independent subtitle panel, subtitle-based seeking, sentence repetition, and favorites, iSub Player turns your local videos into effective learning materials. Whether you are learning English, Japanese, Korean, French, Spanish, or other languages, iSub Player provides a more efficient viewing and learning experience. 【Efficient Subtitle Learning】 • Display dual subtitles for side-by-side learning • Independent subtitle panel with free scrolling • Tap subtitles to jump to the exact position • Repeat individual sentences for practice • Shadowing, Record & Compare to Original • Save subtitles, screenshots, and audio clips with one tap • Quickly open AI websites to analyze subtitles and words • Subtitle Masking for a Pure Listening Environment 【Professional Local Media Player】 • Supports popular video formats including MP4, MKV, MOV, AVI, WEBM, FLV and More • Supports popular audio formats including MP3, AAC, FLAC, M4A, WAV, WMA and More • Supports multiple audio track switching and audio Delay • Supports embedded subtitles and external SRT, ASS subtitles, and LRC lyrics • Customizable subtitle delay, font size, and subtitle styles 【Powerful Media Library】 • Import local video and audio files • Automatically scan folders to create playlists • Browse with list and grid views • Multiple sorting options • Automatically save playback history • Quickly search media files • Convenient long-press action menu • Support batch selection and batch operations • Private folders with password protection 【Favorites & Learning Management】 • Save subtitle sentences, words, screenshots, and audio clips • Categorize learning materials • Quickly search saved content • Export and import favorites data without quality loss 【Professional Playback Experience】 • High-precision timeline seeking • Playback speed adjustment while maintaining audio pitch • Automatically remember playback progress • Gesture controls for brightness, volume, and playback position • Double-tap to fast forward or rewind • Pinch-to-zoom video display • Support playlist loop, single-item loop, and single playback modes 【Background Playback】 • Continue audio playback in the background • Lock screen media controls • System notification playback controls 【Rich Personalization Options】 • Multi-language interface • Customizable subtitle styles (font size, color, position, outline, background, bold, etc.) • Playback preferences • Translation settings • Light mode, dark mode, and system theme support • Customizable external keyboard shortcuts iSub Player focuses on local media playback and language learning. It does not provide any online video content. All media files come from the user's device or are imported by the user. Whether you are watching movies, TV shows, anime, or documentaries, or practicing listening, subtitle-based learning, speaking shadowing, and language skills, iSub Player is your ideal companion for turning local videos into effective learning resources.