EMMO Corp.

Productivity is the main category at about 22.2% of apps, while the portfolio spans 6 categories. This is a relatively diversified portfolio strategy.

Productivity

2 apps · 22.2%

Photo & Video

2 apps · 22.2%

Health & Fitness

2 apps · 22.2%

Lifestyle

1 apps · 11.1%

Finance

1 apps · 11.1%

• The primary category Productivity accounts for 22.2%. Long-tail categories can reduce single-category risk.
• The diversification score is about 0.81 (0=highly concentrated, 1=highly diversified), useful for comparing developers.

The full portfolio has about 51.6K public ratings, a mid-sized public review base. It includes 8 free apps and 1 paid apps.

Apps

9

Total ratings

51.6K

Free / paid

8 / 1

• By review volume, the leading apps include: "EMMO - 日记与笔记", "Smile Todo - Time Management", "Prodrafts - Infinite Notes".
• Free apps dominate, which often points to a utility entry point plus subscription or upgrade model.

Weighted by rating volume, the portfolio averages about 4.85 stars; the simple average is 4.85 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

4.85 ★

Simple avg

4.85 ★

• 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): "提词器Pro - 口播，直播&短视频录制", "Logus – Solo Vlog Journal", "计算器 EMMO - 新版专业的科学计算器". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "EMMO - 日记与笔记", while the newest or most recent listing signal is "Logus – Solo Vlog Journal". The span is a proxy for long-term iteration capacity.

Span

6 years+

• Earliest record in this dataset: 2020 (EMMO - 日记与笔记).
• Newer app signal: 2026 (Logus – Solo Vlog Journal).

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 4.85 stars vs. the leading app "EMMO - 日记与笔记" 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.