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Moodwren privacy policy

Last updated November 7, 2026. This policy covers the Android app Moodwren: Mood Diary with Lock (com.tinyfair.moodwren) published by Tinyfair on Google Play.

The short version

The app works on your phone. We do not have accounts or servers, and we never receive your diary entries, moods, photos or personal details. Data leaves your phone only for ads, purchases, crash reports and anonymous usage statistics (Google), for backup files you choose to save, and for a small settings file the app downloads from our website, as described below.

Data that stays on your phone

Diary entries and moods
Your entries, moods, tags, photos and settings are saved in the app on your phone. Photos you add are copied into the app's own storage.
PIN and fingerprint
Your PIN is stored only as a salted hash. Fingerprint checks are done by Android; the app never receives your fingerprint.
Backup files
A backup file is created only when you ask for it, encrypted with a password you choose, and saved where you pick with the Android file picker. We never receive it.
Purchases
Handled by Google Play; we never see your payment details.

Settings file from tinyfair.my.id

When it starts, the app downloads a small settings file from https://tinyfair.my.id/config/moodwren.json (the minimum app version and which ad formats may appear). The request sends no personal data and no identifier. Like any web request, our web host sees your IP address in its standard server logs; we do not use it to identify you or link it to anything else.

Backups

Backup files are made only when you ask for one (or, with Pro, on the weekly schedule you turn on). The file holds your entries and photos, is encrypted with a password you choose, and is saved with the Android file picker to the place you pick, such as your phone, an SD card or Google Drive. We never receive the file or the password, and we cannot recover a backup if the password is lost. Android Auto Backup may also include the app's data in your Google account backup if you have it turned on; your PIN is stored there only as a salted hash.

Ads (Google AdMob)

The free version shows ads from Google AdMob: banner ads on the journal list, the calendar and the statistics screens, sometimes a full-screen ad after you save an entry (never in your first session), and a video ad only when you choose to watch one for 24 hours of Pro. There are no ads on the lock screen, in the editor, during setup or when the app opens. Ad content is limited to no higher than the PG rating, and dating, social casino and similar ads are blocked. To show and measure ads, Google may collect your device's advertising ID, an approximate location from your IP address, information about ad interactions, and diagnostics. Your entries, moods and photos are never passed to the ad SDK. In the European Economic Area, the United Kingdom and Switzerland the app asks for your consent first, and you can change it later under Settings, Privacy choices. You can reset or delete your advertising ID in your Android settings. See how Google uses information from apps that use its services. Pro removes all ads.

Crash reports (Firebase Crashlytics)

If the app crashes or hits a serious error, it sends a crash report to Firebase Crashlytics, a Google service that helps us find and fix the bug. A report contains the error and where it happened in the code, the app version, the device model, the Android version, and a random installation ID that is not linked to you, your Google account or your advertising ID. It never contains your diary entries, moods, tags, photos or anything that identifies you. Reports are kept for 90 days. See Firebase privacy and security.

Usage statistics (Google Analytics for Firebase)

To learn which features people use and where the app can be better, the app sends a few usage events to Google Analytics for Firebase, such as that an entry was saved, a quick mood was logged, a backup was made, or the Pro offer was shown or Pro was bought. Events never contain what you write, your moods, your tags, your photos or anything you type. Firebase adds the app version, device model, Android version, country, a random app instance ID and, when ad consent allows it, your advertising ID. Collection follows your choice (Google Consent Mode). We do not use Google signals, we do not send a user ID, and we do not sell this data. In the European Economic Area, the United Kingdom and Switzerland, statistics are only collected if you allow it in the consent form (Settings, Privacy choices lets you change this). Data is kept for 14 months. See Firebase privacy and security.

Purchases (Google Play)

Pro is sold through Google Play Billing as a yearly subscription with a 7 day free trial, a monthly subscription (you can cancel either anytime in Google Play) or a one-time purchase. We do not see your payment details; Google Play tells the app only whether Pro is active.

Permissions

Notifications, for the daily reminder with mood buttons and the optional backup reminder. Biometric, to unlock with your fingerprint or face if you turn it on. Photos are chosen with the Android photo picker and backups are saved with the Android file picker, so no storage, camera, location, microphone or contacts permission is needed. Google's ad and purchase libraries add the advertising ID, network state and billing permissions. Internet is used for ads, purchases, crash reports, usage statistics and the settings file described above, never for your diary.

Children

Moodwren is meant for adults (18 and over). It is not directed at children and we do not knowingly collect information from them.

Your choices and deleting data

Moodwren has no account and keeps no data on our side. You can delete a single entry inside the app. To delete everything Moodwren stores (your entries, moods, photos, PIN and settings), uninstall the app or clear its storage in Android settings (Apps, Moodwren, Storage). Backup files you saved yourself stay where you put them until you delete them. If you use Android backup, Android may include this app data in your Google account backup. For ad and statistics data, use Settings, Privacy choices in the app or your Android advertising ID settings. Questions: support@tinyfair.my.id.

Changes and contact

If this policy changes, the new version will be posted on this page with a new date. Questions: support@tinyfair.my.id.