Pricing
The catalogs, calculators, and your first tank are free forever. Pro adds the recurring-use tools — tracking, reminders, and more.
Free
Everything you need to plan a tank.
$0 / forever
- All calculators & planning tools
- Full species, plant & equipment data
- Compatibility check
- 1 saved tank
- 1 public tank page
Your current plan
Pro
Track, get reminders, and go ad-free.
$4.99 / month
or $49.90 / year — save 17% (2 months free)
Everything in Free, plus:
- Unlimited saved tanks
- Water & maintenance tracking — history + charts
- Smart maintenance reminders
- Tank-health alerts
- Advanced planners
- Export your data (CSV / JSON / PDF)
- Multiple public tank pages
- Ad-free
Paid plans aren't live yet — the catalog, tools, and your first tank stay free. When Pro launches it will be sold and billed by Paddle, our merchant of record, with a 14-day money-back guarantee.