Comparison

Trancy vs zeroStudy

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

Head to head
About

Trancy

Transform your favorite YouTube videos, podcasts, and web articles into interactive language lessons. This app offers AI-powered bilingual subtitles, instant translation, and speaking practice with pronunciation feedback to make learning engaging and effective.

Highlights
  • AI bilingual subtitles
  • Real-time translation
  • Speaking practice with AI feedback
  • Vocabulary saving and context
  • Immersive listening drills
  • Sync YouTube subscriptions
Features
Read full description

Turn YouTube & Podcasts into Your Personal Language Classroom Tired of boring textbooks? Trancy transforms the content you already love — YouTube videos, podcasts, and web articles — into powerful language learning tools with AI-powered bilingual subtitles, real-time translation, and speaking practice. 【AI BILINGUAL SUBTITLES】 - Watch any YouTube video or podcast with side-by-side bilingual subtitles - AI-generated subtitles for videos without captions - Instant AI summaries to grasp key ideas quickly 【SMART VOCABULARY & TRANSLATION】 - Tap any word for instant translation and context - Highlight and save new words automatically - Sync your personal YouTube subscription channels for continuous learning 【SPEAKING & LISTENING PRACTICE】 - Sentence-by-sentence shadowing with speed control - AI speech evaluation to improve your pronunciation - Immersive listening drills that build real comprehension 【WHY LEARNERS CHOOSE TRANCY】 - Learn from real-world content, not scripted dialogues - Practice speaking with AI feedback anytime, anywhere - Build vocabulary naturally through context — not flashcards - Support 10+ languages - Chosen by 600,000 users Start learning smarter today — download Trancy and turn every video into a lesson. 【SUPPORT】 Questions? Visit https://www.trancy.org/chat Terms of Service: https://manual.trancy.org/en/legal/terms-of-service Privacy Policy: https://manual.trancy.org/en/legal/privacy-policy

About

zeroStudy

Features
Read full description

Turn the YouTube videos you already enjoy into a language-learning routine. zeroStudy brings interactive subtitles, vocabulary capture, and spaced repetition together, so watching, understanding, and remembering flow in one place. LEARN WITH YOUTUBE • Paste a YouTube link and watch without leaving zeroStudy. • Follow interactive subtitles as the video plays. • Select a word or phrase to understand and save it in context. • Continue recently watched videos and track your daily immersion progress. REMEMBER WITH REINFORCE • Review vocabulary with spaced repetition at the right time. • Use active recall to build durable memory. • Hear pronunciation and revisit the original sentence. • Add your own words and phrases manually, with optional AI Auto Fill. • Track your streak, retention, and learning progress. KEEP YOUR LEARNING CONNECTED Your vocabulary and progress stay synced across zeroStudy. The optional Chrome extension gives you another way to collect vocabulary while watching on desktop, but it is not required to use the iPhone app. Watch what you enjoy. Save what matters. Reinforce what you want to remember. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Trancy4 screens
zeroStudy3 screens

Verdict

The call

The clearest difference is in-app purchases: zeroStudy at none against Trancy's 4. zeroStudy also leads on update cadence (daily vs monthly). On price, ads, device support and iOS requirement 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. Trancy sells 4 in-app purchases, starting at $3.99 per month. zeroStudy asks for nothing beyond the download.

UpkeepUpdate frequency

Trancy ships an update monthly, zeroStudy daily. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Trancy versus zeroStudy: the parameters behind the verdict, then further details
ParameterTrancyzeroStudy
PriceFreeFree
Rating4.5 (224 ratings) — better—
Positive reviews67.2% of reviews—
Number of ratings224 — better—
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size25 MB41 MB
Age rating4+4+
DeveloperL2D LIMITEDJIA JIUN Ku

In-app purchases

4 purchases

Trancy

Subscriptions4
  • Trancy monthly3 Days trial$3.991 Month
  • Trancy Premium + AI 月订3 Days trial$8.991 Month
  • Trancy Premium - Yearly7 Days trial$29.991 Year
Show 1 more
  • Trancy Premium + AI 年定7 Days trial$73.991 Year
None

zeroStudy

No in-app purchases

Questions

Is Trancy free?
Trancy is free to download, with in-app purchases available.
Is zeroStudy free?
zeroStudy is free to download, with no in-app purchases.
Do Trancy or zeroStudy have ads?
Neither Trancy nor zeroStudy shows ads.
Which is updated more often, Trancy or zeroStudy?
Trancy ships an update monthly, and zeroStudy daily. Most recently, Trancy was updated on October 24, 2026 and zeroStudy on October 14, 2026.

Other comparisons