Air Apps Systems

Productivity is the main category at about 24.3% of apps, while the portfolio spans 12 categories. This is a relatively diversified portfolio strategy.

Productivity

9 apps · 24.3%

Utilities

8 apps · 21.6%

Health & Fitness

6 apps · 16.2%

Reference

3 apps · 8.1%

Photo & Video

3 apps · 8.1%

• The primary category Productivity accounts for 24.3%. Long-tail categories can reduce single-category risk.
• The diversification score is about 0.85 (0=highly concentrated, 1=highly diversified), useful for comparing developers.

The full portfolio has about 659.4K public ratings, a large public review base. It includes 37 free apps and 0 paid apps.

Apps

37

Total ratings

659.4K

Free / paid

37 / 0

• By review volume, the leading apps include: "Translate Now - AI Translator", "Calculator Air: AI Math Solver", "QR Code Reader，Barcode 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 4.67 stars; the simple average is 4.16 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

4.67 ★

Simple avg

4.16 ★

• 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.

• Low-rating watchlist (at least 80 ratings and below 4.0 stars): "Speech Air - Text to Audio" 3.9★. Use App Store Connect exports or third-party data for semantic review analysis.
• Thin rating samples (under 50 ratings): "PDF Air - Editor and Converter", "Tasks Air - To Do List Planner", "Cycle Air - Period Tracker". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "Hello AI - Chatbot Assistant", while the newest or most recent listing signal is "Calorie Tracker Air". The span is a proxy for long-term iteration capacity.

Span

6 years+

• Earliest record in this dataset: 2016 (Hello AI - Chatbot Assistant).
• Newer app signal: 2023 (Calorie Tracker Air).

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: 12 categories show whether a main-category plus extension structure matches your resources.
• Compare reputation structure: weighted 4.67 stars vs. the leading app "Translate Now - AI Translator" 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.