Spanalyse

Starcol Ltd

In-app purchases

About this app

Stop guessing with your hot tub chemicals. Spanalyse tells you exactly what to add and how much.

PRECISE DOSING, NOT GUESSWORK
Enter your test strip readings and get exact amounts: "Add 47g pH Minus" not vague advice that leaves you doing maths.

BUILT FOR UK HOT TUBS
Works with the tubs you actually own. Lay-Z-Spa, Intex, Canadian Spa, Wave and more. We know the volumes so you don't have to measure.

YOUR CHEMICALS, YOUR BRANDS
Select the products you use. Fi-Clor, Blue Horizons, Clearwater, HTH. We calculate based on what's actually in your shed.

TRACK YOUR WATER HEALTH
Log every test and watch your water improve over time. See patterns, catch problems early, spend less on chemicals.

FEATURES
- Exact dosing for pH, chlorine and alkalinity
- UK hot tub model database with preset volumes
- Multiple chemical brand support
- Test history and trends
- Water change reminders
- Party Mode for pre-guest shock treatments
- First Fill Wizard for new water

NO MORE
- Cloudy water surprises
- Overdosing and wasting chemicals
- Forum advice that contradicts itself
- Spreadsheets and calculators

Download Spanalyse and take the stress out of hot tub ownership.

What’s new

What's new in v1.2.2
Fixed an issue where the app could show a loading spinner for too long.
Your Pro status now syncs more reliably.
Updated to use modern Android display APIs for edge-to-edge support. Resolved Play Store warnings about deprecated APIs.
The app now works in landscape mode on large screen devices.
Added server-side subscription tracking so your Pro status stays accurate even when the app is closed. Improved error recovery throughout the app.