Privacy Policy — Pool Monitor

Last updated: June 29, 2026

Pool Monitor (“the app”) is a read-only monitoring tool for cryptocurrency mining pools. This policy explains what the app does with your information.

The short version

Pool Monitor does not collect, sell, or share your personal data. There is no account, no analytics, no advertising, and no tracking. Everything the app stores stays on your device (and, if you enable it, your private iCloud).

What the app stores

• Mining-Dutch API key — stored in the iOS Keychain on your device. If you enable iCloud Keychain, Apple syncs it privately between your own devices. The developer never receives it.
• Bitcoin payout addresses (for CKPool and public-pool.io) and your preferences (selected coins, alert settings, refresh interval) — stored in app settings on your device, and optionally mirrored to your private iCloud key-value storage so your setup follows you across your devices.

Who the app talks to

The app sends your API key / addresses only to the mining pools you choose, to retrieve your own stats: Mining-Dutch (mining-dutch.nl), CKPool (*.ckpool.org), and public-pool.io. It also fetches public, non-personal market data for context: coin prices from CoinGecko (api.coingecko.com) and Bitcoin network difficulty from blockchain.info. No data is sent to the app’s developer.

Notifications

The app uses local notifications (generated on your device) for offline miners, found blocks, and payouts. These are not push notifications and do not involve any server.

Data deletion

Remove your API key/addresses in Settings, or delete the app, to erase all stored data from the device. iCloud copies are removed via your iCloud account.

Children

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

Changes

Any updates to this policy will be posted at this URL with a new date.

Contact

Questions about this policy or the app? Open an issue at github.com/shiftingeden/PoolMonitor/issues.