俊杰 张 is an indie developer with 1 apps on the App Store. Ranked #2711 (top 8%) out of 32,752 developers on IndieRank. Primary category: Games. 9 total ratings with 4.9★ average.
How is this calculated?
IR Rate Breakdown
Review Score293
log10(9 + 1) x 300 x (4.9 / 5) — Review count x Rating quality
Update Recency0
— — Days since last update (max 300)
Portfolio40
min(1, 5) x 40 — Active app count (max 5) (max 200)
Total333
Formula:
IR Rate = log10(reviews+1) x 300 x (rating/5) + activity + portfolio