📈Last 7 days+5 installs — 50% slower than the week before (+10) · 1/day since Oct 7
🏆Among Tools apps bottom 48% by installs gained this week (1237 peers growing)
🛠Updatesquiet · updated 57 days ago
Installs since launch
+20 installs
since Oct 7
Update history
1.0.4Sep 16, 2026 · seen Oct 15, 2026
Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.
Only the current version so far — new entries appear as the app ships updates.
Pipe Schedule NFPA 13 Sizing is a tools app by ZkDev with 10+ downloads (about 43 estimated). +5 installs in the last 7 days. Released Sep 7, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “NFPA 13 branch line, cross main and riser sizes. Steel, CPVC, schedule 40.”
