O-pens

by Guangzhou Taiji Electronic Co., Ltd. · Business · Free

On the App Store since March 2017 · Data updated 2026-10-17

App Store

O-pens is made and published by Guangzhou Taiji Electronic Co., Ltd. AppBrain is an independent app data site and isn't affiliated with Guangzhou Taiji Electronic Co., Ltd. The app name, icon, screenshots and description belong to Guangzhou Taiji Electronic Co., Ltd. and are shown as published on the App Store.

AppBrain's verdict

Established

Rating on App Store: 3.00; 2 ratings
Last updated: February 28, 2026
Size: 12.9 MB

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Store listing

By Guangzhou Taiji Electronic Co., Ltd., from the App Store

Screenshots by Guangzhou Taiji Electronic Co., Ltd., from the the App Store listing

Description by Guangzhou Taiji Electronic Co., Ltd. Written by the developer, not by AppBrain. Click to read.

A nail color guide program for nail art, specially designed for color gel mixing pens in red, yellow, blue, black, white base colors and specific color gel polish, by indicating the rotating scale on the color gel mixing pen , controlling the extrusion volume of gel polish so that the base colors or specific colors can be mixed in different proportion to produce a variety of nail colors.

Features:
1. Support two or more base colors gel polish or specific colors mixing guidance.
2. Support the display of the color effect of physical photos, one-click selection of color mixing guidance.
3. Support code identification of different base colors combination and independent color mixing interface guidance.
4. Support the choice of the number of nails that can be applied with the color gel.
5. Support multi-language selection and online tutorial.

Official page on the App Store

Safety and technology

Found in the app by AppBrain

Price: Free
App size: 12.9 MB
Content rating: Medium

Technologies used by O-pens

Releases

Updates seen on the App Store

Version: 5.0.7
Launched: March 2017

No changelog data

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About the app and developer

About O-pens

O-pens is a business app developed by Guangzhou Taiji Electronic Co., Ltd.

What is the rating of O-pens?

O-pens is rated 3.00 out of 5 stars, based on 2 ratings.

Is O-pens free?

O-pens is free. The app size is 12.85 MB. The latest version available is 5.0.7. The last update was on February 28, 2026.

What are the requirements for O-pens?

The app has a content rating of Medium Maturity. The app has been available on the App Store since March 2017.

Developer information for Guangzhou Taiji Electronic Co., Ltd.

Guangzhou Taiji Electronic Co., Ltd.

Address:

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