VidTransDub vs Juspeak
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VidTransDub
This browser plugin translates foreign video subtitles and plays the translated content directly. It supports multiple browsers and websites, offering features like one-click translation, multiple voice options, and adjustable playback speed for a more efficient viewing experience.
- One-click translation and playback
- Multi-browser support
- Multi-site support (YouTube, Udemy)
- Multiple voice options
- Adjustable playback speed
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The latest version of the plugin now supports Udemy in addition to YouTube, allowing you to watch Udemy's online courses using the plugin. VidTransDub is a browser plugin designed for watching foreign videos online. Unlike traditional subtitle plugins, it translates subtitles and directly plays the translated content, eliminating the hassle of reading subtitles while watching videos and improving viewing efficiency. Currently supported features: One-click translation and video playback by clicking the play button. Multiple browser support (Chrome-based browsers, Firefox, Safari iOS version). Multi-site support: Currently supports youtube.com and udemy.com. Multiple voices: Switch between different voices during playback. Selecting different target languages will trigger different voice libraries. Playback speed support: Adjust the speed directly on the video being watched, and the plugin will adapt. Adjustment of original and target audio volume (not supported due to iOS system limitations).
Juspeak
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Juspeak 是一款基于真实场景的英语口语 AI 对话练习 App。 通过 AI 互动对话，让你在接近日常与职场的语境中练习表达，逐步提升口语流利度。 【3000+场景口语练习】 覆盖日常交流、旅行出行、商务沟通、面试求职等高频场景。 【AI 实时英语对话】 模拟真实交流方式，随时随地进行口语练习。 【语音识别互动】 语音输入，与 AI 自然对话，提高开口频率与表达熟练度。 【循序渐进的难度设计】 从基础表达，到更复杂的情境交流，稳步提升口语能力。 每天 10 分钟，在真实场景中开口练习，让英语成为你的沟通能力。 立即下载 Juspeak，开始你的英语对话训练。 隐私政策（Privacy Policy）：https://www.juspeak.top/privacy.zh.html 使用条款（Terms of Use）：https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: VidTransDub at none against Juspeak's 2. Juspeak's advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (12.0 vs 15.0). On price, ads and device support 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
Both are free to download. Juspeak sells 2 in-app purchases, starting at $9.99 per 7 days. VidTransDub asks for nothing beyond the download.
VidTransDub ships an update fortnightly, Juspeak every 3 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | VidTransDub | Juspeak |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (4 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 71 MB |
| Age rating | 17+ | 17+ |
| Developer | 志博 李 | Sophon Labs Limited |
In-app purchases
VidTransDub
No in-app purchases
Juspeak
- 一周AI口语会员（不限次数）$9.997 Days
- 一月AI口语会员（不限次数）$29.991 Month
