knockOut Study vs HanziTube
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
knockOut Study
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You've done the streaks. You've drilled the vocab lists. You still freeze when someone speaks to you. knockOut builds lessons around your vocabulary ā not a preset curriculum. AI. Comprehensible input. Real progress. HOW IT WORKS You pick your words. The AI generates full lessons around them ā reading passages, listening exercises, context-rich content built for your level and interests. As you read and listen, you naturally encounter new words and concepts. knockOut tracks them. Next session, those words come back ā woven into new content, reinforced through context. Not dumb buttons. Not drilling. The language builds itself into you, the way it's supposed to. WHAT MAKES IT DIFFERENT ⢠Lessons built around your vocabulary, not ours ⢠New AI-generated content every session ⢠6-level mastery system ā not streak counters ⢠No gamification. No fake progress. ⢠Works for any language, any level Serious learners. The kind who've been burned by apps that turned language learning into a mobile game. If you want an app that congratulates you for opening it, this isn't it. If you want to actually speak the language ā start here. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privcay policy: https://knockoutstudy.com/privacy-policy.html
HanziTube
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Learn Chinese from videos you already want to watch. HanziTube turns YouTube and Bilibili videos into a focused Chinese study loop with synced subtitles, pinyin support, translations, saved vocabulary, fill-in-the-gap practice, and flashcard review. Instead of moving into separate practice content, you can study directly from real videos, songs, vlogs, interviews, and other Chinese media. What you can do in HanziTube: ⢠Open YouTube and Bilibili videos for Chinese study ⢠Study with synced Chinese subtitle cards ⢠Read Chinese with optional pinyin and English support ⢠Hide pinyin on words you already know ⢠Tap subtitle lines while following the video ⢠Save useful words and sentences for later review ⢠Practise sentence recall with fill-in-the-gap exercises ⢠Review saved vocabulary with spaced repetition flashcards ⢠Keep your study progress synced across devices when signed in HanziTube is built for learners who want more reading and listening practice from real content, not just textbook examples. It works especially well for learners using Chinese videos for immersion, shadowing, subtitle reading, and vocabulary building. Free and Pro: The app includes a free experience, with Pro unlocking expanded study features such as unlimited saves and full deck access. Best for: ⢠Chinese learners using YouTube or Bilibili as study material ⢠Reading and listening practice with real audio ⢠Vocabulary capture from real-world content ⢠Reducing reliance on pinyin over time ⢠Building a tighter watch-to-review habit Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: knockOut Study at 15.5 against HanziTube's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. knockOut Study sells 3 in-app purchases, starting at $8.99 per month and HanziTube sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
knockOut Study ships an update every 5 days, HanziTube weekly. Both last shipped on October 5, 2026.
| Parameter | knockOut Study | HanziTube |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days ā better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone, iPad |
| Requires iOS | 15.5 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 306 MB | 59 MB |
| Age rating | 4+ | 12+ |
| Developer | MAKSYM KHAMAD | Bas van Dijk |
In-app purchases
knockOut Study
- knockOut Pro Monthly$8.991 Month
- knockOut Pro Monthly$73.901 Year
- knockOut Pro Life$99.99
HanziTube
- Monthly Pro$2.991 Month
- Yearly Pro3 Days trial$24.991 Year









