志成 汤 is an indie developer with 4 apps on the App Store. Ranked #817 (top 2%) out of 32,693 developers on IndieRank. Primary category: Education. 144 total ratings with 4.7★ average.
How is this calculated?
IR Rate Breakdown
Review Score615
log10(144 + 1) x 300 x (4.7 / 5) — Review count x Rating quality
Update Recency0
— — Days since last update (max 300)
Portfolio160
min(4, 5) x 40 — Active app count (max 5) (max 200)
Total775
Formula:
IR Rate = log10(reviews+1) x 300 x (rating/5) + activity + portfolio