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InterSub vs RTranslator
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | Browser extension by InterSub Inc. offering dual subtitles and AI instant-translation for language learning. | RTranslator is an open-source, free, and offline real-time translation app for Android. | |
| Category | |||
| Developer | InterSub Inc. | — | |
| Verified Status | No | No | |
| Last Updated | Aug 2026 | Aug 2026 | |
| Pricing | |||
| Pricing Model | Freemium | Free | |
| Free Plan | No | Yes | |
| Free Trial | No | — | |
| Open Source | No | No | |
| Capabilities | |||
| API Access | No | — | |
| Features | • Side-by-side dual-language subtitles • AI-generated instant word translations on hover • Automatic personal vocabulary wordbook • Support across YouTube, Netflix, Coursera, and more • AI detection of idioms and phrasal verbs • Free trial plus pay-as-you-go plan | — | |
| Tags | language-learningdual-subtitlesai-translationbrowser-extensionvocabulary | rtranslatoropensourcefreeofflinereal | |
| Platforms | Chrome Extension | — | |
| Mobile Apps | No | — | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 5 | 41 | |
| Quality Score | 29/100 | 62/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | intersub.cc | github.com | |
| Social Links | 1 linked | 2 linked | |
| Screenshots | No | No | |
| Reviews | |||
| Pros | • Free to use | • Free to use | |
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