Best apps like O-pens

2+ similar apps compared and reviewed

4.0 avg rating
2 free apps
Updated July 2026
O-pens
O-pens
Guangzhou Taiji Electronic Co., Ltd.

O is great, but it's not the only option. Explore 2+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to O

Kapci Smart Mix#1

Kapci Smart Mix by KAPCI Coatings

Editor's Choice
💼 Business
4.0(3 ratings)
Free
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Access a vast database of car refinish colors and paint mixing formulas directly from your mobile device. Search by manufacturer, color code, or group to find the perfect match and adjust mixing quantities.