Water Quality & TDS calculator icon

Water Quality & TDS calculator

Multi Purpose Calculators

⬇ 1,000+ downloads

Est. actual: 1,024

Free

Released: Aug 12, 2025

IAP: $0.99 - $199.99 per item

Contains ads

Signals

3 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +38 installs — 21% slower than the week before (+48) · 4/day since Oct 9
🏆Among Productivity apps top 19% by installs gained this week (579 peers growing)
🛠Updates dormant · updated 455 days ago

Installs since launch

+86 installs since Oct 9

Update history

1.0422 Aug 12, 2025 · seen Oct 18, 2026

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

Water Quality & TDS calculator is a productivity app by Multi Purpose Calculators with 1,000+ downloads (about 1K estimated). +38 installs in the last 7 days. Released Aug 12, 2025. Install growth, rank history, SDKs and ad networks.

From the store listing: “Estimate TDS from EC, water hardness, salinity & RO Passage instantly!”