📈Last 7 days+4 installs — 300% faster than the week before (+1) · 0/day since Oct 7
🏆Among Tools apps bottom 43% by installs gained this week (859 peers growing)
🛠Updatesactively updated · updated 27 days ago · every ~24 days (3 updates tracked)
Installs since launch
+6 installs
since Oct 7
Update history
6.9.0Oct 15, 2026 · seen Oct 26, 2026
• Choose Chlorine or Salt for each pool or spa.<br>• Record salt readings with equipment-specific targets and unit-aware salt recommendations.<br>• View applicable salt values in shared readings, monthly PDFs and graphs.<br>• Restored TDS input and added optional ORP readings.<br>• Compact calculator controls, live LSI indicator and accessible Save/Cancel actions.<br>• Improved account navigation
6.7.0Oct 13, 2026 · seen Oct 16, 2026
Manage eligible accounts with multiple facilities and up to three pools/spas per facility.<br>Choose facility and pool/spa for readings, PDF logbooks and graphs.<br>Owners manage shared facility/member credits and Selected or All facility access.<br>Existing subscriptions, history and eligible offline work are preserved.<br>Updated Help explains facilities, members and subscriptions.<br>Improved A
5.8Aug 27, 2026 · seen Oct 7, 2026
Updated for Android 16 compatibility and improved overall stability.
Pool Chemical Logbook is a tools app by Pool By Engineer Inc. with 100+ downloads (about 170 estimated). +4 installs in the last 7 days. Released Sep 14, 2025. Install growth, rank history, SDKs and ad networks.
From the store listing: “Pool/spa records, facility reports and a free chemical calculator.”