Hunting Tools – Privacy Policy

Effective 12 October 2026

Hunting Tools is a set of field tools for hunters: it measures the straight-line distance between two points using your device's GPS receiver, shows the wind and where your scent drifts, gives the weather forecast with sun and moon times, keeps the places of your hunting ground (stands, feeders and the like) and a log of your hunts. Sun and moon times are calculated on the device. This policy explains what the app does with your data. The short version: everything you save stays on your device, and the app sends no personal data to the developer or anyone else. The only network traffic is the download of map tiles, of weather data for an approximate location and, in Czech, of hunting-ground borders for the map area shown.

Data the app uses

• Precise location (GPS). The app reads your position to compute the distance between the start point and your current position or the end point. Location is processed only on the device.
• Stand. A stand you place on the wind map is stored locally on the device until you remove it or move it.
• Marked points. The points of the current measurement are stored locally on the device so a measurement survives the app being restarted. They are overwritten by the next measurement.
• Saved measurements. Measurements you save under a name, with their points, are stored locally on the device until you delete them.
• Places. The places you save (name, type, position, note and the winds that suit a stand) are stored locally on the device until you delete them.
• Hunt log. The hunts you log are stored locally on the device until you delete them: date and time, place and position, hunting method and ground, notes, the weather at the hunt, and what you record (game seen, shot or found, where it was, and details such as weight or tag number). The details you enter for kill reports (your name, and your hunting grounds with their holder and your permit number) are stored locally too.
• Photos. Photos you attach to a record in the hunt log (taken with the camera or picked from your gallery) are copied into the app's private storage, reduced in size. The originals in your gallery are not changed. The copies are deleted with their record.

All of this is removed when you clear the app's data or uninstall it. If Android backup is turned on for your device, Android includes the app's data, except the photos, in your device backup to your own Google account, as it does for other apps.

Sharing

Kill reports and the spreadsheet export of the hunt log leave the device only when you choose to share them. The app hands them to the Android share sheet, and you pick the app or person they go to. A backup of the app's data (hunts with their photos, places, hunting grounds, measurements and your name) is written only when you ask for one, to the file you pick in the system file picker; where you keep that file is up to you.

Sharing with your hunting ground (optional)

The app can connect to a sharing server so that the members of a hunting ground see each other's places, kills and sightings, and who is out at which stand. This is off until you create an account and join a group. The app's default server, api.huntingtools.net, is operated by the developer (Tomáš Stejskal, Czech Republic, the contact below) on a server in the European Union; the developer is then the controller of the data you send to it. You may enter another server instead, for example one run by your hunting club, which is then responsible for that data.

When you use it, the app sends to that server: the username, password and display name you choose, and an e-mail address if you give one (it is used only to send you a link when you ask for a password reset, and is shown to nobody); the places you mark as shared (name, type, position, note, winds); for hunts you mark as shared, the game seen, shot or found with its species, class, weight, tag number, position, place and note, the time, and the photos attached to it (the reduced copies the app keeps); and, while such a hunt is on, your presence (the place's name and position, and when the hunt started and ended). The other members of your group see this data under your display name; photos are served only to signed-in members of the group. Your hunt notes, the weather and shot distances are not sent. A random identifier of the phone is part of the ids of the records it sends.

You can stop sharing a place or a hunt at any time; the record is then marked deleted on the server and its photos are removed from it. Removing a photo from a shared record removes it from the server too. Leaving a group or signing out removes the group's data from your phone; your own shared places stay as local places. The server keeps deleted records marked as such so that the other phones learn of the deletion; the group's manager can delete a group with all its data.

Deleting your account. In the app, under Sharing, "Delete account" removes your account and the records you shared from the server at once; a group you manage passes to another member and the places you shared stay with their hunting ground. See how to delete your account. The server's operator keeps no copy beyond its backups, which are overwritten within 30 days. You can also write to the contact below to have your account deleted or to receive the data stored about you.

The developer's server keeps server logs (IP address, request and time) for up to 14 days to protect the service, and nothing else about you. It uses no analytics and shares the data with nobody; it is hosted by a hosting provider in the European Union that processes it on the developer's behalf.

Data the app does not collect

• No tracks or routes are recorded. The app stores only the positions you save yourself: measurements, places and hunts.
• Nothing is sent to the developer unless you use sharing. The app contains no analytics, advertising or crash-reporting libraries.
• No account, name, e-mail address or device identifier is collected without sharing. An account exists only once you create one yourself (see above).

Map tiles (OpenStreetMap)

The map is drawn from tiles downloaded from the OpenStreetMap tile servers, operated by the OpenStreetMap Foundation. To fetch a tile the app requests the map area currently shown, which reveals your approximate location and your IP address to that server, in the same way as any web map. Tiles are cached on the device. No account or identifier is sent. See the OpenStreetMap Foundation privacy policy.

Wind and weather forecasts (Open-Meteo)

The wind and weather tools download forecasts from Open-Meteo (open-meteo.com). To get the forecast for your position or your stand, the app sends that location snapped to a grid of about 2 km (0.02° of latitude and longitude). For the wind arrows it requests a regular grid of points covering the map area shown, which is not tied to your exact position. For the hunt log it requests the weather at the hunt's position, snapped to the same grid, for the hour the hunt started, also for past dates. As with any web request, Open-Meteo also sees your IP address. No account or identifier is sent. See the Open-Meteo terms and privacy information.

Czech hunting grounds (NLI)

When the app runs in Czech, it can show the borders of Czech hunting grounds (honitby) from the public register kept by the Národní lesnický institut (NLI). Border tiles and the names of the grounds in view are downloaded for the map area shown, and when you pick a hunting ground the position you tapped or the name you typed is sent to NLI's service. As with any web request, NLI sees your IP address. No account or identifier is sent. The register's contact details of the ground's representatives are not stored by the app; only the ground's name, code, area, holder and user are kept with your list of hunting grounds, together with its border so it shows offline. NLI states that the borders come from the hunting authorities and are not legally binding.

Background location

While a measurement is in progress the app runs a foreground service, shown as a persistent notification, so that it can keep receiving GPS updates when the screen is locked. The service stops as soon as the measurement is finished or reset. Location is never accessed when no measurement is running and the app is not on screen.

Permissions

• Location (precise) – required to measure distance, to show the wind and weather at your position, and to save a place or a hunt where you stand.
• Notifications – used only for the measurement-in-progress notification.
• Foreground service (location) – keeps measuring while the screen is locked.
• Internet – downloading map tiles, weather data and hunting-ground borders, and, if you use it, the sharing server.

Children

The app is not directed at children and collects no personal data from anyone.

Changes

If this policy changes, the updated version will be published at the same address with a new effective date.

Contact

Questions about this policy can be sent to the developer at tom.stejskal@gmail.com.