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One finger. Any tank you can imagine.

A paludarium builder made for your phone.

Open on your phone Free. Add it to your home screen

Every piece can be one of a kind.

What you draw grows the way it would in nature. Or pick a ready-made one.

Draw it

9 stones, 6 woods, each grown the way it forms.

Or pick

Stones, wood, plants and moss, all real size.

Four steps, one finger.

  1. 1Draw a stoneDraw a ring and it grows. Wrong shape? Draw it again.
    1. Draw a ring, a stone grows
    2. Draw again to regrow it
    3. Turn the bedding
    4. Swipe straight through to split it
    5. Pick its age: older weathers rounder
  2. 2Draw the woodDraw a line, it grows. Don't like it? Roll again.
    1. Draw a line, the wood grows its own way
    2. Roll the dice for three more takes
    3. Tap a branch to prune it
  3. 3Make it a setBrush moss and tie plants onto a stone or wood. They move as one.
    1. Brush on moss (4 kinds)
    2. Tap to tie on a plant: anubias, java fern, bromeliad…
  4. 4Into the tankPlace it, move it, let them move in.
    1. Drop the set in, drag it into place
    2. Add a tree frog, a betta, guppies
    3. Last frame: the finished Mountain Bay

Every tank is a recipe.

Open one on your phone and keep building.

White SandWhite sand under a manzanita tree.
Misty WoodDriftwood and a wall of moss.
Watch builds on Instagram

More is on the way.

Want early access, a feature, or to work with us? Write to us.

vowcard@gmail.com

Questions

Is it phone only?

Yes, on purpose. Every tool is made for one finger.

Do I need internet?

Only the first time. After that it works offline.

Is it free?

The first version is free.

iPhone or Android?

Both. It runs in your phone browser; add it to your home screen.

Start with a demo tank, or an empty one.

Open on your phone

Demo tank · Palubox

Mountain Bay

A stacked slate cliff, one spider-wood root bridging to the other bank, moss on every ledge.

Open this tank on your phone You get your own copy. Change anything.

What's in it

  • StoneSlate, hand-drawnLayered, one bedding direction× 21
  • WoodSpider woodOne stroke, an arch× 1
  • LifeTree frogs and guppies2 frogs, 8 guppies× 10
  • PlantFernTucked into cracks× 8
  • VinePothos vineDrawn down the wall
  • WallCork bark wallRight side, brushed on
  • BedFine sand, flatWater about a third up

How it was built

  1. 1Tall tank, black backdrop, flat fine sand.
  2. 2Brush the bark wall up the right side.
  3. 3Stack slate from the bottom up, bedding aligned.
  4. 4Draw one spider-wood root across to the left bank.
  5. 5Moss on the ledges, ferns in the cracks, vines on the wall.
  6. 6Bring the water up.