Effective October 14, 2026
Privacy Policy
Trip Delta is a travel budget app operated by 独立开发者. This policy describes the current app's handling of trip data and the optional actions that can send information to services you choose.
Information you enter
You may enter trip names, destinations, dates, category budgets, expenses, notes, exchange rates, final posted amounts, and reflections. The app also saves your language choice. These records can reveal personal spending patterns, so take care when exporting or sharing them. The inspected app has no account system, developer backend, advertising, analytics, or automatic cloud sync. Its trip functions do not upload your entries to the operator.
Storage and device backup
Trip records and settings are stored as JSON in the app's private Application Support area on your device. The operating system may include those files in a device backup, depending on your backup settings and platform. A device backup is managed by you and the platform, not by an automatic Trip Delta sync service. If you do not export a backup, uninstalling the app may erase your local records.
Permissions and device features
Trip planning and expense entry do not request camera, location, microphone, or contacts access. When you choose to import or export a JSON backup, the app opens the system file picker or save interface. When you choose to save a review card, the app writes an image to your photo library and may request the relevant photo-add permission on iOS or storage-write permission on older Android versions. When you choose to share a card, the system share sheet opens so you can pick a destination.
Network and other services
The app uses the internet permission on Android for its optional online privacy page. If an HTTPS policy URL is configured and you open that page, a web view requests the page; it does not attach your trip records. The website host may receive ordinary access information such as IP address, browser details, and request time. The operator will confirm the host and its log retention before publishing the website. File providers, photo libraries, device backup services, and apps you choose through the share sheet process the items you send under their own terms. Exchange rates are entered by you; the app does not fetch live quotes.
Retention and deletion
Local trip records remain until you delete an expense or trip, replace all records with an imported backup, or remove the app. Deleting a trip removes it from the current app data. Trip Delta cannot remove copies already present in device backups, files you exported, images saved to Photos, or destinations to which you shared a card. You manage those copies in the relevant service. The app deletes its temporary share image after the share sheet closes.
Children
Trip Delta is a general travel budgeting tool. It does not provide child accounts, targeted advertising, or a way for the operator to receive trip entries through the app. Parents or guardians should supervise a child's use of file export and sharing features as they would other device sharing tools.
Changes and contact
Changes to this policy will be posted on this page with an updated effective date. For privacy or support questions, contact 独立开发者 at yamenayazman@icloud.com.