1. Tap Buy now / Add to Cart for this $0.99 digital unlock (no shipping).
2. After payment, click BJCounter.html on your order confirmation to download immediately.
3. Open BJCounter on your phone.
4. Tap Enter unlock key, paste the key from your receipt, and tap Unlock with key.
5. Practice mode is a 3-day trial, then stays unlocked on this device. You can save a couple of copies from an unlocked device. Lite Learn mode stays free either way.