Sphinx Lock: Vocab App Blocker

Sphinx Lock: Vocab App Blocker

Study to unlock your apps

0 ratings
1 review
Free
In-App Purchases

Details

Released
September 16, 2026
Updated
November 7, 2026
Sphinx Lock: Vocab App Blocker screenshot #1 for iPhone
Sphinx Lock: Vocab App Blocker screenshot #2 for iPhone
Sphinx Lock: Vocab App Blocker screenshot #3 for iPhone
Sphinx Lock: Vocab App Blocker screenshot #4 for iPhone
Sphinx Lock: Vocab App Blocker screenshot #5 for iPhone
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About

This app requires users to answer vocabulary questions to access other applications. It supports Japanese and Chinese language exams, with a free tier and premium subscription options. Users can also learn words via widgets.

✓Vocabulary quizzes to unlock apps
✓Supports JLPT and HSK exams
✓Widget for on-the-go learning
✓Adaptive learning for missed words
✓Daily usage caps and rule tightening
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What's New in Sphinx Lock

1.0.2

November 7, 2026

- New Lifetime pass — pay once, keep Pro forever - The yearly plan is no longer sold. If you bought it, you've been moved to Lifetime at no extra cost. Please turn off auto-renew so you aren't charged again - Free now covers 100 new words, counted from zero again in this update.After that, quizzes use words you've learned and unlocking still works - Home and Lock Screen widgets are now free — see your next quiz words in passing

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Subscriptions & In-App Purchases

Pro Monthly

monthly Pro subscription

$3.991 Month
How to cancel Sphinx Lock subscription ⁉️

User reviews

아이디어도 참신하고 좋아요!

다 좋아여 근데 프로 결제 옵션 중에 가격 좀 있더라도 영구적인게 있었으면 좋겠습니당

Response from developer

[반영완료] 제안해 주신 영구 소장(평생 이용) 결제 옵션이 이번 업데이트에 새롭게 추가되었습니다! 한 번 결제하면 추가 구독료 없이 평생 이용하실 수 있는 플랜입니다. 서비스 출시 초기에 저희 앱을 믿고 연간 결제를 해주셨던 분들께 감사의 마음을 담아 해당 영구 프로 옵션으로 무상 업그레이드를 진행해 드렸습니다. 소중한 의견 내주셔서 정말 감사드리며, 앞으로도 더 좋은 서비스로 보답하겠습니다. 즐거운 하루 되세요! ------------------------------------------------ 안녕하세요 누9세5님!! 저희 앱 좋게 봐주셔서 정말 정말 감사합니다~!! 앱을 만들면서 '내가 잘 만들고 있는 게 맞나' 싶을 떄가 있는데, 이런 따뜻한 응원과 피드백을 들으니 정말 개발할 맛이 나고 큰 힘이 됩니다. 남겨주신 소중한 의견 덕분에 확신을 얻어서 바로 평생소장권 옵션 추가 작업에 들어가 보려고 합니다. 빠르게 준비해서 다음 업데이트에 꼭 반영하도록 하겠습니다. 앱을 아껴주시고 기분 좋은 에너지를 주셔서 진심으로 감사드립니다!

Developer apps

FAQ

What is Sphinx Lock's learning methodology?

Sphinx Lock uses a spaced repetition system where words you miss will reappear until mastered. Words answered correctly twice in a row are removed to avoid repetition of known vocabulary.

How does Sphinx Lock track user progress?

The app tracks which words you've learned and which ones you struggle with. Quizzes adapt to focus on words you need to review, ensuring efficient vocabulary acquisition.

Does Sphinx Lock offer certifications?

Sphinx Lock itself does not offer certifications. However, it directly supports learning for official exams like the Japanese Language Proficiency Test (JLPT) and Hanyu Shuiping Kaoshi (HSK).

What are the pricing details for Sphinx Lock Pro?

Sphinx Lock Pro is available as a monthly subscription for $3.99 or a one-time Lifetime pass. This unlocks all 16,748 vocabulary words.

Can I cancel my Sphinx Lock Pro subscription?

Yes, subscriptions can be managed and canceled through your device's app store settings. You will retain access to Pro features until the end of your current billing period.

How often is Sphinx Lock updated?

The app was last updated on November 7, 2026, with version 1.0.2. This indicates a recent update, suggesting ongoing development and support.

What devices does Sphinx Lock support?

Sphinx Lock is currently supported on iPhone devices. The age rating is 4+, making it suitable for a wide range of young learners and adults.

Does Sphinx Lock have ads?

No, Sphinx Lock does not contain advertisements. The app is free to download and use, with optional in-app purchases for premium features.