Best apps like O2 Calendar

9+ similar apps compared and reviewed

3.7 avg rating
9 free apps
Updated July 2026

Looking for something like O2 Calendar? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to O2 Calendar

Calunar: Lịch âm Bính Ngọ 2026#1

Calunar: Lịch âm Bính Ngọ 2026 by Hung Nguyen

Editor's Choice
📊 Productivity
3.9(7 ratings)
Free
Calunar: Lịch âm Bính Ngọ 2026 screenshot 1
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This app provides a fast and convenient way to view the lunar calendar, offering a unique interface. It allows users to see lunar dates directly from their home screen or lock screen via widgets, create lunar-based reminders, and view monthly lunar calendars. It also includes helpful features like quick lunar date calculations and inspirational quotes.