Pricing
Free for one tank. Pro when you want more.
Free, for good
- One tank, with its water log.
- Your cycle's finish-date range and the day to confirm it.
- The first-90-days path.
- Every toxicity warning: the free-ammonia calculator, and ammonia and nitrite alerts.
- Backup: export your tanks to a file and import them again.
We never put a fish-health warning behind the paywall.
Pro adds
- More tanks, each with its own log.
- Full history and trends.
- Calendar and notification reminders for retests, water changes and medicine doses. The due list in the app stays free.
- The dosing calculator and the medicine label calculator. Conditioner doses stay free.
Cycle Pass
$9 once
90 days of Pro to get you through the cycle.
Pre-order Cycle PassOne payment of $9. It doesn't renew. Upgrade to yearly within the 90 days and the $9 comes off: your first year is $40, then $49 a year. Pre-orders: the 90 days start at launch.
Yearly
$49 a year, about $4/month
Renews every year at $49 until you cancel. We email you 15 to 45 days before it renews.
Monthly
$6 a month
Renews every month at $6 until you cancel.
Lifetime
$149 once
One payment of $149 for Pro for as long as TankTrue runs. It never renews.
30-day money-back, and one-click cancel
Every plan comes with a 30-day money-back guarantee: email hello@tanktrue.com within 30 days of paying and we refund you in full.
Cancel any time, in one click, with the link in your receipt and renewal emails; you keep Pro to the end of the paid period.