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The gentle ground rules

Nimbi Terms of Use

The agreement between you and the team that makes the Nimbi app, in as plain words as we can manage.

Effective November 7, 2026

Pip reading a small open book

On this page

  1. Agreeing to these terms
  2. What Nimbi is
  3. Not medical advice
  4. Younger users
  5. Cloud friends, decorations and streaks
  6. Nimbi Plus
  7. Advertising
  8. Your data and backups
  9. Apple Health and weather
  10. Using Nimbi fairly
  11. Nimbi’s art and name
  12. Other companies’ services
  13. Changes to Nimbi
  14. Warranties and responsibility
  15. Applicable law
  16. Updates to these terms
  17. Contact

In short

  • Nimbi is a hydration habit app for your personal use. Its goals and numbers are estimates, not medical advice.
  • Cloud friends, decorations and streaks are in-app rewards with no cash value.
  • Nimbi Plus is optional. Subscriptions renew through your store account until you cancel them.

01Agreeing to these terms

These terms are about Nimbi, the water tracker for iPhone, iPad, Apple Watch and Android, and the website that introduces it. By using them, you agree to these terms. If you do not agree, please stop using them. “We” and “us” mean the team that makes Nimbi.

If you download Nimbi from the App Store, Apple’s Standard End User License Agreement also applies to your use of the app, and Apple is not responsible for Nimbi or its support. If you download it from Google Play, Google Play’s Terms of Service also apply to your download and purchases.

02What Nimbi is

Nimbi helps you notice how much you drink and build a gentle habit around it, with a cloud to fill and an island to grow. It is for personal, non-commercial use. It does not guarantee any particular result, and how much you drink remains your own decision.

03Not medical advice

Nimbi is not a medical device and does not diagnose, treat or prevent any condition. Your daily goal is an estimate from general guidance, using what you enter, and it cannot know your full health picture. Hydration percentages, caffeine, calories and sugar are typical values, and a real drink may differ. Sky Notes are general information, not advice for you personally.

  • Please talk to a doctor before relying on a goal if you are pregnant or breastfeeding, have a kidney, heart or liver condition, take medicine that affects your fluid balance, or have been told to limit fluids. Goals are written for adults, and a child’s needs are different.
  • Drinking far too much water can also be harmful. Never force yourself to reach a number, and listen to your body over the app.
  • Voyages and Daily Breezes are optional. A challenge such as a water-only window is a game, not dietary or fasting advice. Skip anything that does not suit you, and do not take on a challenge for the sake of a reward.
  • Alcohol appears in the app only so that it can be counted accurately. It is not a recommendation to drink.

04Younger users

If you are under the age at which you can agree to these terms where you live, please use Nimbi with a parent or guardian who agrees to them for you. The “Ask an adult” step before a purchase is a simple speed bump, not an age check, so parents should also use the family and purchase controls on the device and store.

05Cloud friends, decorations and streaks

Nimbi, decorations, outfits, badges and streaks are virtual in-app content. They have no cash value, and they cannot be sold, redeemed for money or transferred. You earn them under the rules shown in Nimbi, and those rules may change as the app develops. A festival or seasonal item may only be available at certain times.

06Nimbi Plus

Nimbi Plus is optional and offered where the app shows it, as a monthly or yearly auto-renewing subscription, or as a one-time lifetime purchase. Current prices, any free trial and what is included are shown in the app before you buy. The everyday basics of logging drinks, editing your history, setting goals and reminders, and exporting your data do not require it.

  • Payment is charged to your App Store or Google Play account when you confirm the purchase.
  • Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Your account is charged for renewal within the 24 hours before that period ends.
  • If a free trial is offered and you do not cancel at least 24 hours before it ends, it becomes a paid subscription at the price shown.
  • You can manage or cancel a subscription in your store account settings. Deleting the app does not cancel it.
  • Refund requests are handled by the store you bought from, under its own terms.

If Plus ends, your drink history and progress stay on your device. Plus items, islands and tools are put away until you subscribe again, and the choices you made with them are remembered for when you do. A Voyage or Focus session already under way can finish.

07Advertising

Nimbi may show ads provided by Google AdMob and its partners. We do not create these ads or endorse what they promote, and anything you do with an advertiser is between you and that advertiser. Please do not interfere with ads, or generate fake views or taps. Our Privacy Policy explains the data involved and your choices.

08Your data and backups

Nimbi keeps your data on your device and does not offer accounts or cloud sync, so we cannot restore it for you if it is lost. You are responsible for keeping a backup before you uninstall the app or change devices. “Delete all data” cannot be undone. How we handle information is described in the Privacy Policy.

09Apple Health and weather

Apple Health and local weather are optional, and they depend on your device, your permissions and other companies’ services. They may be unavailable or inaccurate at times. The weather adjustment to your goal is a rough estimate from a forecast, not a measure of how much you actually need.

10Using Nimbi fairly

When using Nimbi or this website, please do not:

  • break the law, or use them to harm or mislead others;
  • copy, resell or redistribute the app or its artwork, music, stickers or wallpapers;
  • reverse engineer the app, except where the law allows it;
  • interfere with the website or try to reach restricted areas;
  • suggest that we have partnered with or endorsed you when we have not.

11Nimbi’s art and name

Nimbi’s name, characters including Pip, paintings, music, sounds, software and this website belong to their owners and licensors. We give you a personal, revocable right to use the app as these terms allow. That includes saving wallpapers for your own device, sending stickers and sharing your cards and reports with friends. Fonts and software components may have their own licenses. You are welcome to share links to this site.

12Other companies’ services

Nimbi relies on services from other companies, including Apple, Google and Open-Meteo, and the website may link to other websites. Those companies set their own terms and privacy practices, and we do not control them.

13Changes to Nimbi

We may add, change or remove features, drinks, clouds, islands and rewards, and we may pause or end the app or this website. Information here about upcoming features or release dates is not a promise that they will happen. Store links and availability vary by country and device.

14Warranties and responsibility

Nimbi and this website are provided “as is” and “as available”. To the extent the law allows, we make no warranties about their accuracy, availability or fitness for a particular purpose, and we are not responsible for indirect or consequential loss, including lost data, profits or opportunities, or for health decisions made using the app. Nothing in these terms removes rights that consumer law does not allow us to exclude.

15Applicable law

The laws of Vietnam govern these terms, and disputes may be brought before a competent court in Vietnam, subject to any mandatory rights you have where you live. If something goes wrong, please write to us first so we can try to put it right.

16Updates to these terms

We may update these terms as Nimbi changes, and we will revise the date at the top of this page. If you keep using Nimbi after a change takes effect, the new terms apply. Where the law requires more notice or consent, we will provide or ask for it.

17Contact

Questions about these terms can go to nexmindltd.support@gmail.com.

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