BULL.B TECHNOLOGY LIMITED

Education is the main category at about 85.1% of apps, while the portfolio spans 10 categories. This is a highly concentrated portfolio strategy.

Education

63 apps · 85.1%

Reference

3 apps · 4.1%

Utilities

1 apps · 1.4%

Food & Drink

1 apps · 1.4%

Finance

1 apps · 1.4%

• The primary category Education accounts for 85.1%. Long-tail categories can reduce single-category risk.
• The diversification score is about 0.27 (0=highly concentrated, 1=highly diversified), useful for comparing developers.

The full portfolio has about 369 public ratings, a small public review base. It includes 73 free apps and 1 paid apps.

Apps

74

Total ratings

369

Free / paid

73 / 1

• By review volume, the leading apps include: "Fireplace Bluetooth Source Pro", "易經塔羅牌", "Guinness Perfect Pint Challenge".
• Free apps dominate, which often points to a utility entry point plus subscription or upgrade model.

Weighted by rating volume, the portfolio averages about 1.20 stars; the simple average is 1.80 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

1.20 ★

Simple avg

1.80 ★

• The weighted and simple averages differ meaningfully, indicating that high-review apps strongly shape perception.
• 70 apps have no public rating data, so long-tail performance is underrepresented.

The iTunes Search API does not provide review text. This card uses low star ratings with enough review volume as a proxy, and separately highlights apps with thin samples.

• Low-rating watchlist (at least 80 ratings and below 4.0 stars): "Fireplace Bluetooth Source Pro" 1.2★. Use App Store Connect exports or third-party data for semantic review analysis.
• Thin rating samples (under 50 ratings): "Guinness Perfect Pint Challenge", "T+ Wallet-Essential Crypto Hub", "易經塔羅牌". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "TRUE COLORS.", while the newest or most recent listing signal is "元朗游泳會". The span is a proxy for long-term iteration capacity.

Span

12 years+

• Earliest record in this dataset: 2014 (TRUE COLORS.).
• Newer app signal: 2026 (元朗游泳會).

These takeaways are based on public metadata and are useful for competitor research or portfolio planning. Deeper conclusions require downloads, revenue, and review text.

• Study the category mix: 10 categories show whether a main-category plus extension structure matches your resources.
• Compare reputation structure: weighted 1.20 stars vs. the leading app "Fireplace Bluetooth Source Pro" and its review volume.
• For similar tools, prioritize review mining on lower-rated apps to find functional gaps; this requires store reviews or third-party data.