Ivan Covic

Education is the main category at about 37.5% of apps, while the portfolio spans 5 categories. This is a relatively diversified portfolio strategy.

Education

6 apps · 37.5%

Games

5 apps · 31.3%

Lifestyle

3 apps · 18.8%

Productivity

1 apps · 6.3%

Music

1 apps · 6.3%

• The primary category Education accounts for 37.5%. Long-tail categories can reduce single-category risk.
• The diversification score is about 0.72 (0=highly concentrated, 1=highly diversified), useful for comparing developers.

The full portfolio has about 36 public ratings, a small public review base. It includes 16 free apps and 0 paid apps.

Apps

16

Total ratings

36

Free / paid

16 / 0

• By review volume, the leading apps include: "Knife Master Hit", "Izreke i citati", "Vicomat".
• 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 3.61 stars; the simple average is 3.46 stars. The gap shows whether high-volume apps lift or drag the overall reputation.

Weighted avg

3.61 ★

Simple avg

3.46 ★

• 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): "Nauči Njemački Audio lekcije", "CROATIAN 101", "Bojanka". Star ratings can swing heavily until more feedback arrives.

The earliest listed app is "mojSpisak", while the newest or most recent listing signal is "Birthy - Birthday Reminder". The span is a proxy for long-term iteration capacity.

Span

7 years+

• Earliest record in this dataset: 2014 (mojSpisak).
• Newer app signal: 2021 (Birthy - Birthday Reminder).

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 3.61 stars vs. the leading app "Knife Master Hit" 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.