Hot Tub Chemical Calculator

Name: Hot Tub Chemical Calculator
Author: PatchMedia

PatchMedia

⬇ 10+ downloads

Est. actual: 36

Free

Released: Aug 13, 2026

IAP: $7.99 per item

No ads

Signals

3 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days +8 installs — 33% slower than the week before (+12) · 1/day since Oct 7
🏆Among House & Home apps top 24% by installs gained this week (123 peers growing)
🛠Updates quiet · updated 90 days ago

Installs since launch

+20 installs since Oct 7

Update history

1.0.0 Aug 13, 2026 · seen Oct 23, 2026

Meet Hot Tub Chemical Calculator, a private local-first water care log. Record pH, alkalinity, sanitizer, hardness, temperature, dose inputs, notes, and treatment outcomes. Review trends, calculate transparent volume-aware alkalinity and calcium-hardness estimates, and manage recurring care with optional reminders. Export CSV; Pro adds multiple tubs, custom targets and products, longer trends, PDF

Only the current version so far — new entries appear as the app ships updates.

Hot Tub Chemical Calculator is a house & home app by PatchMedia with 10+ downloads (about 36 estimated). +8 installs in the last 7 days. Released Aug 13, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Hot tub calculator: dose estimates, water logs. Optional one-time Pro.”