📈Last 7 days+2 installs — 50% slower than the week before (+4) · 0/day since Oct 7
🏆Among Tools apps bottom 20% by installs gained this week (758 peers growing)
🛠Updatesquiet · updated 46 days ago
Installs since launch
+10 installs
since Oct 7
Update history
2.1.0Sep 25, 2026 · seen Oct 15, 2026
New purchase screen with price and Restore. Improved calculation engine and many bug fixes.
Only the current version so far — new entries appear as the app ships updates.
Perfect Structure - RC Design is a tools app by BlackSea Labs with 10,000+ downloads (about 20K estimated). +2 installs in the last 7 days. Released Jan 5, 2018. Install growth, rank history, SDKs and ad networks.
From the store listing: “Design and optimize reinforced concrete columns and beams easily with this app.”
