Comparison

ReadLang WatchLang vs Language Level Check

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ReadLang WatchLang

Learn languages by translating words and phrases on any webpage or YouTube video with dual subtitles. Practice vocabulary in context and improve listening skills with native pronunciations.

Highlights
  • Translate words and phrases on any webpage
  • YouTube dual subtitle player
  • Learn over 100 languages
  • Practice vocabulary in context
  • Listen to native pronunciations
Features
Read full description

ReadLang WatchLang - Highlight Translate Vocabulary in Browser Learn Languages: Watch YouTube video with dual subtitle player & Read website with translator Watch YouTube video with dual subtitle player & Read website with translator Do you know Learning with Texts (LWT), ReadLang, Lingq, LingoTube, Flowlingo, Redwiki, Tedict, Idiom ... LangBrowser works the same way. Help linguist learn a language fluently while browsing and reading their favourite blogs or news or watch video on Youtube, learn English with ted,.. add context to the vocabulary then practice, and learn in context, listening to youtube video with native pronunciations “FOCUS ON CONTEXT WITH TRANSLATION” - Translate words & phrases on any web page with one tap - YouTube video player with two (duo) subtitle at the same time Learn Languages: Learn English, Spanish, German, Korean, Japanese, 100+ languages... ( Afrikaans, Albanian, Amharic, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bengali, Bosnian, Bulgarian, Catalan, Cebuano, Chinese, Corsican, Croatian, Czech, Danish, Dutch, English, Esperanto, Estonian, Finnish, French, Frisian, Galician, Georgian, German, Greek, Gujarati, Haitian Creole, Hausa, Hawaiian, Hebrew, Hindi, Hmong, Hungarian, Icelandic, Igbo, Indonesian, Irish, Italian, Japanese, Javanese, Kannada, Kazakh, Khmer, Kinyarwanda, Korean, Kurdish, Kyrgyz, Lao, Latvian, Lithuanian, Luxembourgish, Macedonian, Malagasy, Malay, Malayalam, Maltese, Maori, Marathi, Mongolian, Myanmar (Burmese),Nepali, Norwegian, Nyanja (Chichewa), Pashto, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Samoan, Serbian, Sesotho, Shona, Sindhi, Slovak, Slovenian, Somali, Spanish, Sundanese, Swahili, Swedish, Tagalog (Filipino),Tajik, Tamil, Tatar, Telugu, Thai, Turkish, Turkmen, Ukrainian, Urdu, Uyghur/ Uighur, Uzbek, Vietnamese, Welsh, Xhosa, Yiddish, Yoruba, Zulu)

About

Language Level Check

Assess your language proficiency with a quick, private test. Get an accurate estimate of your skills across 46 languages, including a breakdown of your strengths and areas for improvement. Results are provided instantly, mapping to recognized frameworks like CEFR and JLPT.

Highlights
  • Tests 46 languages
  • Accurate CEFR, JLPT, HSK, TOPIK levels
  • Grammar, reading, listening, vocabulary
  • Skill breakdown and recommendations
  • Quick and private testing
  • No account required
Features
Read full description

Find out how good your language skills really are. Language Level Check gives you a real proficiency estimate in just 10-15 minutes. KEY FEATURES: - 46 Languages: From Spanish and French to Japanese, Korean, Swahili, and more - Real Questions: Grammar, reading comprehension, listening, and vocabulary - Accurate Levels: Get your CEFR, JLPT, HSK, or TOPIK level with research-backed scoring - Skill Breakdown: See where you're strong and where to focus - Quick and Private: 40 questions, no account needed, results instantly HOW IT WORKS: 1. Pick a language you want to test 2. Answer 40 questions across vocabulary, grammar, reading, and listening 3. Get your estimated proficiency level instantly 4. Review your skill breakdown and recommendations SUPPORTED FRAMEWORKS: - CEFR (A1-C2) for most languages - JLPT (N5-N1) for Japanese - HSK (1-9) for Mandarin Chinese - TOPIK (1-6) for Korean Perfect for language learners, students preparing for exams, travelers, or anyone curious about their skills. First test is free. One purchase unlocks all languages forever. No subscriptions.

Screenshots

ReadLang WatchLang4 screens
Language Level Check4 screens

Verdict

The call

The clearest difference is rating: Language Level Check at 5.0 against ReadLang WatchLang's 4.4. Language Level Check also leads on ads (none vs shown) and update cadence (weekly vs every 2 weeks). ReadLang WatchLang's advantage is in-app purchases (none vs 2) and ratings volume (59 vs 2). On price, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Language Level Check sells 2 one-off in-app purchases. ReadLang WatchLang asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Language Level Check holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ReadLang WatchLang has 59 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

ReadLang WatchLang ships an update every 2 weeks, Language Level Check weekly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
ReadLang WatchLang versus Language Level Check: the parameters behind the verdict, then further details
ParameterReadLang WatchLangLanguage Level Check
PriceFreeFree
Rating4.4 (59 ratings)5.0 (2 ratings) — better
Positive reviews64.3% of reviews—
Number of ratings59 — better2
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better26.0
Further details — not scored
Size27 MB124 MB
Age rating17+4+
DeveloperNguyen Hong PhucTodd Hertzelle

Customer experience

ReadLang WatchLang

All ratings59 ratings
Positive86.4%
Neutral0.0%
Negative13.6%
Written reviews28 reviews
Positive64.3%
Neutral3.6%
Negative32.1%

Language Level Check

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

ReadLang WatchLang

No in-app purchases

2 purchases

Language Level Check

One-time2
  • اختبارات غير محدودة (عرض الإطلاق)$0.99
  • Unlimited Tests$1.99

Questions

Is ReadLang WatchLang free?
ReadLang WatchLang is free to download, with no in-app purchases.
Is Language Level Check free?
Language Level Check is free to download, with in-app purchases available.
Which has better reviews, ReadLang WatchLang or Language Level Check?
Language Level Check is rated higher. ReadLang WatchLang averages 4.4 out of 5 from 59 ratings, while Language Level Check averages 5.0 from 2 ratings.
Do ReadLang WatchLang or Language Level Check have ads?
ReadLang WatchLang shows ads; Language Level Check does not.
Which is updated more often, ReadLang WatchLang or Language Level Check?
ReadLang WatchLang ships an update every 2 weeks, and Language Level Check weekly. Most recently, ReadLang WatchLang was updated on October 16, 2026 and Language Level Check on October 9, 2026.

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