Alexander Zakharin

Finance is the main category at about 21.4% of apps, while the portfolio spans 8 categories. This is a relatively diversified portfolio strategy.

Finance

3 apps · 21.4%

Lifestyle

3 apps · 21.4%

Utilities

2 apps · 14.3%

Productivity

2 apps · 14.3%

Shopping

1 apps · 7.1%

• The primary category Finance accounts for 21.4%. 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 47 public ratings, a small public review base. It includes 14 free apps and 0 paid apps.

Apps

14

Total ratings

47

Free / paid

14 / 0

• By review volume, the leading apps include: "Mortgage Calculator All-in-One", "TripList: Smart Packing List", "Savings Tracker: Goals & Life".
• 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 4.57 stars; the simple average is 4.57 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

4.57 ★

Simple avg

4.57 ★

• The weighted and simple averages are close, suggesting reputation is relatively balanced across apps.
• 5 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): "SoloEstimator: Invoices & Bids", "Pantry Inventory: Food Tracker", "AI Story Maker for Kids". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "Mortgage Calculator All-in-One", while the newest or most recent listing signal is "Protocol: 100 Days Life Reset". The span is a proxy for long-term iteration capacity.

Span

7 years+

• Earliest record in this dataset: 2019 (Mortgage Calculator All-in-One).
• Newer app signal: 2026 (Protocol: 100 Days Life Reset).

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: 8 categories show whether a main-category plus extension structure matches your resources.
• Compare reputation structure: weighted 4.57 stars vs. the leading app "Mortgage Calculator All-in-One" 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.