Lavabuild
an idle volcano you can't rush
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
an idle island builder for the long Sunday afternoon
The island wakes when you give it work.
Lavabuild is an idle island builder that rewards patience over urgency. You draw buildings from a small hand of cards and place them on a volcanic-stone grid. The orchards take time. The fishery takes longer. The lighthouse takes weeks of real sunsets — and the keeper does not appreciate being rushed.
There is a hand. There is an island. There is the slow accumulation of gold while you do something else.
What you'll feel: the moment your first volcanic vent connects to a kelp farm and the production curve quietly bends. The first prestige reset and the bittersweetness of starting over with better cards. The way an island arranges itself, over weeks, into something that looks like a place.
Day and night. Four seasons. Weather. Every building, every tree, every cloud drawn in real-time code at 60fps — no sprites, no imported assets, every shape on the screen earned by the GPU.
This is not an action game. It is not a hyper-casual idle that pings you every six minutes. It is not for someone who wants to finish.
It is for the long Sunday afternoon when you want something steady to come back to.
Ratings & Reviews
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The developer, MARION MORANETZ, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- MARION MORANETZ
- Size
- 1.8 MB
- Category
- Simulation
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Marion Moranetz