Trazu is a mobile painting app where paint behaves like the real thing: it loads, depletes, mixes when wet, and drags across the grain of the paper. Six mediums (oil, watercolor, charcoal, ink, pastel, plus a basic brush), nine real paper textures, and four study views (value, temperature, saturation, contrast) built into your canvas. 20+ brushes, flood fill, reference import, export. No account, no ads, works offline. Real paint, no mess.
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Maker
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Hi everyone, we're Paintingstack, the studio behind Trazu.
We built Trazu because drawing apps come in two extremes: professional tools like Procreate that bury you in features and a learning curve, or free apps that drown you in ads and lock basic tools behind paywalls. We wanted the middle, an app that respects your time and just lets you draw.
The part we're proudest of is the paint itself. Most apps lay down flat strokes. In Trazu the brush carries a finite load of paint that depletes as you stroke, picks up and mixes with the colors already on the canvas when it's wet, and catches on the tooth of the paper you picked, so charcoal breaks up over the grain and oil drags and blends like the real thing.
Everything runs on your device. No account, no internet, no ads. Free to start with generous limits, and a single one-time Premium unlock (no subscription, $9.99) for unlimited drawings and the four study views.
It's on iOS and Android, in eight languages. We'd love your feedback, especially on how the brushes feel under your finger or pencil.
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how does the pigment mixing actually handle when you're layering wet oil over a partially dried section — does it stay believable or start looking muddy?
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How does the paint mixing actually behave when you layer watercolor over partially dried oil? Does it interact across mediums or stay locked to its own layer?
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How does the paper texture actually affect brush behavior on a phone screen, since there's no real tooth to push against?
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The watercolor medium actually pools and bleeds the way I remember from art class, which caught me off guard in the best way. Having value and temperature study views right on the canvas makes it feel like a real practice tool, not just a toy.
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The paint actually loads and depletes like real paint, which caught me off guard in the best way. Mixing colors on a wet layer feels genuinely intuitive.
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The paint loading and color mixing actually feel right on screen, which I did not expect. Offline and no login is a nice touch too.
how does the pigment mixing actually handle when you're layering wet oil over a partially dried section — does it stay believable or start looking muddy?
How does the paint mixing actually behave when you layer watercolor over partially dried oil? Does it interact across mediums or stay locked to its own layer?
How does the paper texture actually affect brush behavior on a phone screen, since there's no real tooth to push against?
The watercolor medium actually pools and bleeds the way I remember from art class, which caught me off guard in the best way. Having value and temperature study views right on the canvas makes it feel like a real practice tool, not just a toy.
The paint actually loads and depletes like real paint, which caught me off guard in the best way. Mixing colors on a wet layer feels genuinely intuitive.
The paint loading and color mixing actually feel right on screen, which I did not expect. Offline and no login is a nice touch too.