Nands vs Language Lab
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Nands
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Nands is a platform built for students, engineers, and anyone who wants to stay informed about the world of STEM and engineering. We bring together the latest news and articles across science, technology, engineering, and mathematics β so you have one place to go instead of hunting across the internet. WHAT YOU GET β’ Daily news from the STEM and engineering world β’ In-depth articles covering science, technology, space, and innovation β’ Content curated for students and working professionals alike β’ A clean, distraction-free reading experience WHO IT IS FOR Whether you are a student exploring your field, an engineer keeping up with your industry, or simply someone who loves science and technology β Nands is built for you. More features are on the way. We are just getting started. Download Nands and stay curious.
Language Lab
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Oto Reactor helps you learn a language from real YouTube videos with subtitles. β’ Dual subtitles. Watch with the original subtitles and a translation into your language β tap a single word, see a translation above each phrase, or read the whole sentence. β’ Words in context. Tap any word for its translation and save it to your vocabulary in one tap. On supported devices you also see what the word means in this exact sentence and its part of speech. β’ Shadowing. Replay any sentence or pause after each one to repeat it out loud. β’ Flashcard review. Saved words come back on a spaced-repetition schedule: 1, 3, 7, 14, 30, 60 and 120 days. Daily reminders keep you on track. β’ 546 hand-picked videos in English, Spanish, French, German, Portuguese, Japanese, Italian, Korean and Chinese, sorted by level and topic β or paste a link to any YouTube video with subtitles. Works with videos that have subtitles. Translation runs on your device: once a language is downloaded, it works without the internet. Watching videos needs an internet connection. No account needed. Your vocabulary and progress stay on your device. The app speaks 26 languages, including English, Spanish, French, German, Portuguese, Italian, Japanese, Korean, Chinese, Arabic and Hindi. Translations appear in your device's language by default. Oto Reactor plays videos through the official YouTube player and is not affiliated with YouTube or Google. Terms of Use: https://otoreactor.alfayzullaev.com/terms/ Privacy Policy: https://otoreactor.alfayzullaev.com/privacy/
Screenshots
Verdict
The clearest difference is ads: Language Lab at none against Nands's shown. Nands's advantage is update cadence (every 2 days vs every 5 days) and iOS requirement (15.1 vs 18.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Nands ships an update every 2 days, Language Lab every 5 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.
| Parameter | Nands | Language Lab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 5 days |
| Ads | Yes | No β better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.1 β better | 18.0 |
| Further details β not scored | ||
| Size | 68 MB | 19 MB |
| Age rating | 12+ | 9+ |
| Developer | Yash Rahurikar | Alisher Fayzullaev |
In-app purchases
Nands
No in-app purchases
Language Lab
No in-app purchases





