Comparison

POLY vs BLNST Basic Law & NSL Exam

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

Head to head
About

POLY

Read full description

POLY:U:WAY helps you find and navigate to the places you want to go in the University, and provides location-based news and notifications at PolyU campus. Install now and enjoy your visit at PolyU.

About

BLNST Basic Law & NSL Exam

Prepare for the Basic Law and National Security Law Test with exam-style questions, detailed explanations, and mock exams. Track your progress and review missed questions for efficient, accurate revision. Study offline with multiple language options.

Highlights
  • Hundreds of exam-style questions
  • Detailed legal article explanations
  • Mock exam mode
  • Wrong-question review
  • Bookmark important questions
  • Progress statistics
  • Offline access
Features
Read full description

Preparing for the BLNST (Basic Law and National Security Law Test)? This app gives you everything you need to pass with confidence. Many Hong Kong government, disciplined-services and public-sector positions now require a pass in the Basic Law and National Security Law Test. We turn the entire syllabus into hundreds of exam-style multiple-choice questions, each with a clear explanation and a reference to the exact article of the law — so you don't just memorise answers, you understand them. KEY FEATURES • Hundreds of exam-style questions covering the Basic Law and the Hong Kong National Security Law • Detailed explanations citing the specific legal article behind every answer • Mock Exam mode that mirrors the real test format and timing • Wrong-question review — automatically collect and re-practise the questions you miss • Bookmark important questions for last-minute revision • Practice modes: quick 10-minute practice, custom practice, and full mock exams • Progress statistics to track your accuracy and spot weak areas • Multi-language: Traditional Chinese, Simplified Chinese, English, or bilingual question display • Works offline once questions are downloaded WHY THIS APP The BLNST is pass-or-fail, and the questions are drawn directly from the text of the law. Our questions are written to match the real exam's wording and difficulty, and every explanation points you back to the source article, so your revision is accurate and efficient. 100% ad-free — a clean, distraction-free study environment. Start free, then unlock unlimited practice with Pro. Note: This app is an independent study aid and is not affiliated with or endorsed by the Government of the Hong Kong Special Administrative Region.

Screenshots

POLY4 screens
BLNST Basic Law & NSL Exam4 screens

Verdict

The call

The clearest difference is in-app purchases: POLY at none against BLNST Basic Law & NSL Exam's 3. BLNST Basic Law & NSL Exam's advantage is update cadence (every 3 days vs every 2 months). 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. BLNST Basic Law & NSL Exam sells 3 one-off in-app purchases. POLY asks for nothing beyond the download.

UpkeepUpdate frequency

POLY ships an update every 2 months, BLNST Basic Law & NSL Exam every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
POLY versus BLNST Basic Law & NSL Exam: the parameters behind the verdict, then further details
ParameterPOLYBLNST Basic Law & NSL Exam
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.1 — better15.6
Further details — not scored
Size54 MB69 MB
Age rating4+4+
DeveloperThe Hong Kong Polytechnic UniversityPickmy AI

In-app purchases

None

POLY

No in-app purchases

3 purchases

BLNST Basic Law & NSL Exam

One-time3
  • Pro 90天優惠$8.99
  • 10分鐘BLNST (90天)$9.99
  • 10分鐘BLNST (180天)$9.99

Questions

Is POLY free?
POLY is free to download, with no in-app purchases.
Is BLNST Basic Law & NSL Exam free?
BLNST Basic Law & NSL Exam is free to download, with in-app purchases available.
Do POLY or BLNST Basic Law & NSL Exam have ads?
Neither POLY nor BLNST Basic Law & NSL Exam shows ads.
Which is updated more often, POLY or BLNST Basic Law & NSL Exam?
POLY ships an update every 2 months, and BLNST Basic Law & NSL Exam every 3 days. Most recently, POLY was updated on October 25, 2026 and BLNST Basic Law & NSL Exam on October 31, 2026.

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