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It interesting
Response from developer
Hey, Thank you! :D We're glad to hear you're enjoying the product!
Un petit manque!
Il n’y a pas d’aide dans l’app mais tout le reste est parfait! Merci pour la gratuité!
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About
This application guides users in mixing nail gel polish colors to create custom shades. It helps determine the proportions of base and specific colors for desired nail art effects, supporting multiple color combinations and providing visual previews.
✓Guides mixing of base and specific gel polish colors
✓Displays physical color effect previews
✓Supports code identification for color combinations
✓Calculates gel volume for desired number of nails
✓Offers multi-language support and online tutorials
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What's New in O
5.0.7
February 28, 2026
Update SDK version.
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FAQ
What is O-pens used for?
O-pens is a nail color guide program designed for mixing color gel polish. It helps users determine the correct proportions of base colors and specific gel polishes to create a wide variety of custom nail colors for nail art.
How does O-pens help with color mixing?
O-pens uses a rotating scale to indicate the extrusion volume of gel polish. This allows users to mix base colors and specific colors in precise proportions to achieve desired nail shades.
Can O-pens show me what the mixed color will look like?
Yes, O-pens supports the display of color effects using physical photos. This feature allows for one-click selection of color mixing guidance, giving you a visual preview of the resulting shade.
Does O-pens support mixing multiple colors?
Yes, O-pens supports the guidance for mixing two or more base colors or specific colors of gel polish. It also supports code identification for different base color combinations.
Can O-pens tell me how much polish I'll need?
O-pens supports the choice of the number of nails that can be applied with the mixed color gel. This helps in estimating the required volume of mixed polish.
Is O-pens available in other languages?
Yes, O-pens supports multi-language selection, making it accessible to a wider range of users. It also provides online tutorials to assist users.
What devices does O-pens support?
O-pens is supported on iPhone and iPod devices. It is rated for users aged 12 and above.
How often is O-pens updated?
The latest version of O-pens is 5.0.7, last updated on February 28, 2026. This indicates a relatively recent update, suggesting ongoing development and support.
