One Habit

One Habit is an Android app where an AI coach helps you build one habit at a time, in Sinhala and English.

For people who use the app

Privacy policy
What the app keeps on your phone and what leaves it.
Delete your data
How to remove everything the app has saved.

Google Play setup answers

These pages list the answers to give in Play Console, under Policy > App content.

Data safety
Which data types to declare, and why.
Content rating
Answers for the rating questionnaire.
Target audience
Which age group to pick.
Other declarations
Ads, app access, health apps and the rest.

Privacy policy

App: One Habit (com.syigen.onehabit) · Developer: Syigen · Effective: 15 November 2026

The short version

There is no One Habit account. You never sign up or log in.
Your plan, your daily log, your health-check answers and your full chat history stay on your phone, in an encrypted database.
When you chat with the coach, a small part of the conversation is sent over the internet to an AI model so it can write a reply.
The app has no ads and no analytics, and we do not sell data.

What stays on your phone

Your profile: language, quiet hours and notification limit
Your habit goal, starting level and plan
Your daily log: what you did and how it felt
Your answers to the health-check questions
Your full chat history

We cannot see any of this. It is never uploaded to us.

What leaves your phone

The coach is an AI. To write a reply, the app sends a request through our gateway server to a third-party AI model provider. A request can contain:

The last few messages of the open chat, including what you just typed
A short summary of your plan and progress
If the health check asked for a gentle plan, only that result ("keep very gentle"), not your answers
A random ID the app creates when it is installed. It is not linked to your name, phone number, Google account or any other identity

If you type something about your health in the chat, such as "my knee hurts", that message is part of the request.

The app does not send your name, contact details, location, contacts, photos or files.

How this data is used

Chat content and the summary are used only to write the coach's reply. Our gateway passes the request on and does not store it. Its logs hold only counts and error codes, never message content.
The random ID is used only to limit how many requests one phone can send, to stop abuse. It is kept in the gateway's memory for about one hour and is not saved.
The AI model provider processes the request for us to produce the reply. The provider may keep requests for a limited time under its own terms, for example to detect abuse.

We do not use your data for advertising, we do not build a profile of you, and we do not sell or rent data to anyone.

Health information

One Habit is a habit coach. It is not a medical service and does not diagnose or treat any condition. The health check is a few yes or no questions used only to keep your plan gentle. If you have a health concern, please talk to a doctor.

Notifications

Reminders are scheduled on your phone. They do not come from a server.

Google Drive backup (planned for a later version)

A later version will let you back up to your own Google Drive. It will be optional and off by default. The backup file is locked on your phone with a password you choose before it is uploaded, so neither Google nor we can read it. Google sign-in will be used only for this backup.

Security

The database on your phone is encrypted.
Requests to the gateway are sent over an encrypted connection (HTTPS).

Keeping and deleting data

Data on your phone stays there until you delete it. The "My data" screen lets you view and delete anything. Uninstalling the app removes all of it. See Delete your data.

Children

One Habit is made for adults aged 18 and over. It is not directed at children, and we do not knowingly collect data from children.

Changes to this policy

If this policy changes, the new version will be posted on this page with a new date.

Contact

Questions about privacy: contact@example.com

Delete your data

One Habit has no account and keeps your data on your phone, so you can delete it yourself at any time.

Delete inside the app

Open One Habit.
Open the My data screen.
Choose what to delete: one project, or everything.

Deleted data is removed from the phone. It cannot be brought back.

Delete everything by uninstalling

Uninstalling the app removes its database from your phone.

Data outside your phone

We do not keep a copy of your chats, plans or logs, so there is nothing for us to delete on our side. The random ID used for the request limit is cleared from the gateway's memory after about one hour.

Need help?

Write to contact@example.com.

Data safety answers

Play Console > Policy > App content > Data safety. Answers match the app as built today: no ads, no analytics, no crash reporting, no account.

Step 1: Data collection and security

Question	Answer
Does your app collect or share any of the required user data types?	Yes
Is all of the user data collected by your app encrypted in transit?	Yes
Which account creation methods does your app support?	My app does not allow users to create an account
Do you provide a way for users to request that their data is deleted?	Yes. Link: this file, #/delete-data

Check: "encrypted in transit" is only true if the gateway URL in the release build starts with https://.

Step 2: Data types to tick

"Collected" in this form means "sent off the phone". Chat requests leave the phone, so they count, even though the gateway stores nothing.

Data type	Why
Messages > Other in-app messages	Chat text is sent to the AI to write a reply
Health and fitness > Fitness info	The plan summary and exercise talk are in the request
Health and fitness > Health info	The "keep very gentle" result, and anything the user types about pain or illness
Device or other IDs	The random install ID sent as X-Device-Id for the rate limit

Leave everything else unticked: location, personal info, financial info, photos, audio, files, calendar, contacts, app activity, web browsing, app info and performance.

Step 3: Answers for each ticked type

Question	Messages, Fitness info, Health info	Device or other IDs
Collected, shared, or both?	Collected only	Collected only
Processed ephemerally?	No	No
Required or optional?	Required	Required
Why is it collected?	App functionality	Fraud prevention, security and compliance

Check 1, "Shared": sending data to the AI provider is not "sharing" only if the provider works as your service provider: it processes the data for you and does not use it for its own purposes, such as training. Read the provider's API terms. If they do not say this, tick "Shared" too.

Check 2, "Ephemeral": the gateway keeps nothing, but most AI providers keep requests for some days. That is why the answer above is "No". Change it to "Yes" only if your provider has zero retention.

Later: when Google Drive backup, voice notes or crash reporting are added, come back and update this form and the privacy policy.

Content rating answers

Play Console > Policy > App content > Content rating. The questionnaire wording changes from time to time, so match each question by its meaning.

Start

Question	Answer
Email address	Your support email
Category	All other app types (not a game, not social or communication)

Questionnaire

Topic	Answer
Violence, blood or scary content	No
Sexual content or nudity	No
Bad language or crude humour	No
Drugs, alcohol or tobacco	No
Gambling, real or simulated	No
Can users talk to or share content with other users?	No. The chat is only with the AI coach
Does the app share the user's location with others?	No
Can users buy digital goods?	No
Is it a web browser or search engine?	No
Is it mainly a news or education product?	No

With these answers the expected result is the lowest rating (Everyone / PEGI 3). Google shows the final rating when you submit.

Check: if a question asks about AI-generated content or an AI chatbot, answer Yes. The coach's replies are written by an AI.

Target audience answers

Play Console > Policy > App content > Target audience and content. Play only opens this section after the Ads and App access sections are done.

Question	Answer
Target age group	18 and over only
Could your store listing unintentionally appeal to children?	No

Why 18 and over

The first habit is going to the gym, and the health check is written for adults.
Picking any age group under 13 puts the app under Google's Families policy, which adds strict rules.
It matches the privacy policy, which says the app is for adults.

Keep the listing consistent: do not use cartoon characters or child-like art in the icon and screenshots. Google can reject the "No" answer if the listing looks made for children.

Other declarations

The rest of the App content page. Do Ads and App access first.

Section	Answer
Privacy policy	The public URL of this file, ending in #/privacy
Ads	No, my app does not contain ads
App access	All functionality is available without special access (there is no login)
Advertising ID	No, the app does not use an advertising ID
Health apps	Tick the fitness category under Health and fitness. Leave all medical categories unticked
Financial features	None
Government apps	No
News apps	No

Privacy policy URL: Google needs a public web address that anyone can open, in any country, without a login. A PDF is not accepted. Upload this file to a public host first.

Privacy policy inside the app: health apps must also link the privacy policy from inside the app, for example on the My data or Settings screen.

AI chat: Google's AI-generated content policy expects apps with an AI chatbot to let users report or flag a bad reply inside the app. Check the current policy and add a simple "Report this reply" option if it applies.