Sipa: Daily Water Intake

Sipa requires a subscription. Every feature below is part of Sipa Pro — $4.99 per week, auto-renewing. There is no free version.

Most water goals are impossible. Sipa's isn't.

Published intake figures describe your TOTAL water — and about a fifth of that arrives in food: fruit, vegetables, soup, yoghurt. Almost every tracker ignores that line and hands you a number you can't hit. Sipa subtracts it, which is why its goal is lower, and why you actually reach it.

Then it shows you the arithmetic. Every step, every source.

SEE WHERE YOUR NUMBER COMES FROM
Tap once and the whole derivation opens: the adequate-intake value for a body your size, minus the water in your food, plus adjustments for activity and climate. Sources are named — EFSA, the U.S. National Academies — so you can check the working rather than trust us.

DRINK FIRST, EAT LESS
Drinking 500 mL half an hour before a meal is the only hydration habit with a randomised trial behind it. In that trial it cut what people ate at the meal by 13–22%. Sipa gives you three timed windows a day and one nudge before each. Nothing else.

ONE TAP TO LOG
Two cup sizes on the home screen. Tap and the number moves. Nothing to search, type or photograph.

COFFEE AND TEA COUNT
In full. Caffeine is mildly diuretic but nowhere near enough to cancel the fluid you drank. Milk counts at 1.5× because its salts and protein slow how fast it leaves you.

REMINDERS THAT SWITCH THEMSELVES OFF
A habit forms in about four weeks, so Sipa's reminders step down each week and stop after five. If you're already ahead of pace, none fire at all. Silence is the feature.

CONSISTENCY, NOT STREAKS
A missed day costs about fourteen points. It never sends you back to zero, because nothing kills a habit faster than a broken streak.

YOUR OWN EVIDENCE
A ten-second weekly check-in on energy, focus and headaches. After three weeks Sipa compares the days you hit your goal against the days you didn't — your data, with the caveats stated plainly. It won't claim causation it can't show.

SWAPS
Drank water instead of something sugary? Log it and see the calories and sugar you avoided, using the published figures for those drinks.

PRIVATE BY DEFAULT
Your log stays on your phone. No account, no sign-in, no analytics, no ads, no tracking. Optional Apple Health sync writes your water and reads nothing. Export everything to CSV whenever you like.

HONEST ABOUT WHAT IT ISN'T
Sipa is not a medical device and doesn't diagnose or treat anything. Its goal is an estimate, not a prescription. If a clinician has set you a fluid limit, enter it and Sipa will never push you above it.

Available in 35 languages, with metric and US units.

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SUBSCRIPTION
Sipa is unlocked by Sipa Pro, an auto-renewing subscription.

• Title: Sipa Pro
• Length: 1 week, renewing weekly
• Price: $4.99 per week, or the equivalent in your local currency

Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours of the end of that period. Manage or cancel it in Settings, your name, Subscriptions. There is no free trial and no introductory price.

Terms of Use (EULA): https://sipa-privacy.web.app/terms
Privacy Policy: https://sipa-privacy.web.app/privacy