Wherever you buy — the App Store, soon Google Play, or right here in your browser — your access works the same everywhere afterwards, with the same account.
For iPhone and iPad. Purchase directly through your Apple account, billed by Apple as usual.
The Android app is finished and already running — it's just waiting on Play Store approval.
For PC, Mac, or any device with a browser — no app needed. Pay by card, PayPal & more, right here.
The one-time purchase gives you 2 AI requests per day for each of the 3 AI features forever (EQ assessment, your own questions, photo ID). With a subscription you get 5 per day for each of the 3 features, for as long as it's active — ideal if you have multiple tanks or want to ask more often.
All four tiles lead to the same subscription page on Gumroad — please select your preferred billing period (monthly, quarterly, every 6 months, or yearly) from the dropdown menu there.
After purchase you'll get an email to set your password. With that one account you can then log in across all three variants — no matter where you originally bought.
Log in at aquameter.info/app — all tanks, all readings, right in your browser.
Get the app from the App Store and sign in with the same account.
Once available on Google Play: get the app and sign in with the same account.