JI YAO WENG

Utilities is the main category at about 42.9% of apps, while the portfolio spans 5 categories. This is a relatively diversified portfolio strategy.

Utilities

3 apps · 42.9%

Education

1 apps · 14.3%

Photo & Video

1 apps · 14.3%

Health & Fitness

1 apps · 14.3%

Developer Tools

1 apps · 14.3%

• The primary category Utilities accounts for 42.9%. Long-tail categories can reduce single-category risk.
• The diversification score is about 0.73 (0=highly concentrated, 1=highly diversified), useful for comparing developers.

The full portfolio has about 30 public ratings, a small public review base. It includes 7 free apps and 0 paid apps.

Apps

7

Total ratings

30

Free / paid

7 / 0

• By review volume, the leading apps include: "Measure Tape Lite", "Measure Tape HD Lite", "Floor Plan+ 3D Room Scanner".
• The visible list is free or priced at 0. Monetization may rely on subscriptions, ads, or in-app purchases; verify on the store page.

Weighted by rating volume, the portfolio averages about 2.70 stars; the simple average is 2.88 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

2.70 ★

Simple avg

2.88 ★

• The weighted and simple averages differ meaningfully, indicating that high-review apps strongly shape perception.
• 4 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.

• No app triggered the low-rating plus sufficient-sample threshold.
• Thin rating samples (under 50 ratings): "Measure Tape HD Lite", "Floor Plan+ 3D Room Scanner", "Measure Tape Lite". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "Measure Tape Lite", while the newest or most recent listing signal is "ASO Screenshot AI". The span is a proxy for long-term iteration capacity.

Span

13 years+

• Earliest record in this dataset: 2013 (Measure Tape Lite).
• Newer app signal: 2026 (ASO Screenshot AI).

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: 5 categories show whether a main-category plus extension structure matches your resources.
• Compare reputation structure: weighted 2.70 stars vs. the leading app "Measure Tape Lite" 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.