Douglas (Hangzhou) Technology Co., LTD

Games is the main category at about 16.7% of apps, while the portfolio spans 6 categories. This is a relatively diversified portfolio strategy.

Games

1 apps · 16.7%

Productivity

1 apps · 16.7%

Photo & Video

1 apps · 16.7%

Social Networking

1 apps · 16.7%

Sports

1 apps · 16.7%

• The primary category Games accounts for 16.7%. Long-tail categories can reduce single-category risk.
• The diversification score is about 0.83 (0=highly concentrated, 1=highly diversified), useful for comparing developers.

The full portfolio has about 4.0K public ratings, a small public review base. It includes 6 free apps and 0 paid apps.

Apps

6

Total ratings

4.0K

Free / paid

6 / 0

• By review volume, the leading apps include: "Pool Empire - 8 Ball & Snooker", "Photo to PDF Converter Tool", "PicTidy: Photo Gallery Cleaner".
• 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 4.67 stars; the simple average is 4.72 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

4.67 ★

Simple avg

4.72 ★

• The weighted and simple averages are close, suggesting reputation is relatively balanced across apps.
• 1 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): "找搭子，来「泡泡苏打」- 都市青年同频兴趣交友！", "小在乎-情侣密友查看实时位置&家人分享提醒", "PicTidy: Photo Gallery Cleaner". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "Pool Empire - 8 Ball & Snooker", while the newest or most recent listing signal is "FishMeteo - Fishing forecast". The span is a proxy for long-term iteration capacity.

Span

13 years+

• Earliest record in this dataset: 2012 (Pool Empire - 8 Ball & Snooker).
• Newer app signal: 2025 (FishMeteo - Fishing forecast).

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: 6 categories show whether a main-category plus extension structure matches your resources.
• Compare reputation structure: weighted 4.67 stars vs. the leading app "Pool Empire - 8 Ball & Snooker" 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.