COUPPLY is a multi-functional couple app for couples and married couples. Chat, schedule, TODO, and memo all in one. Privacy is protected by secure E2E encryption.

Latest Version

Version
Update
Sep 9, 2025
Developer
Category
Google Play ID
Installs
500+

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COUPPLY 日本発、カップル夫婦向け多機能アプリ APP

Make information sharing more convenient and fun for couples and married couples.
Packed with features to reduce everyday misunderstandings and strengthen your bond!

Have you ever had these problems?

"Chat apps make it hard to manage multiple topics..."
"Sharing schedules and tasks isn't working properly, leading to more misunderstandings..."
"I keep forgetting anniversaries and special days, which leads to arguments..."
"Using multiple apps is tiring and tedious..."
"I'm worried about privacy issues with overseas apps, so I can't share safely..."

For those of you who feel this way, the answer is finally here.
COUPPLY will transform your couple and married life!

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\6 Reasons to Choose COUPPLY/
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1. [Industry First! Threaded Chat]
Organize your conversations with the first threaded chat app for couples. Divide conversations by topic—parenting, housework, travel plans, and more—so important topics don't get lost. You can easily find the topic even when you come back to it later!

2. [Everything in One App]
Chat, shared calendars, shared reminders, to-do lists, notes, menstrual cycle management, anniversary/event/memorial management...all in one app. Eliminate the hassle of switching between multiple apps. Create an account just once and enjoy seamless access to all features!

3. [Privacy is Our Top Priority]
We use E2EE (end-to-end encryption), which is rare among couples' apps. Even the developers cannot see the contents, so your data (text, images, and videos) is completely protected. Developed and operated by a Japanese company, you can use it with confidence.

4. [Expert-Supervised Features to Deepen Your Relationship]
A virtual couples therapist, "Penry-chan," supports your conversations. Features incorporating expert knowledge subtly support your relationship and foster a deeper connection.

5. [Packed with Features to Keep You Enjoying It]
Earn points using the app and increase your "Couple Rank." Earn points through daily missions and unlock treasure chests filled with items to enhance your app experience. It's even more fun to nurture your relationship.

6. [Almost all features are free!]
We want all couples to live happily ever after, so we've made almost all features free! We've also minimized intrusive ads.

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\COUPPLY Main Features/
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[Threaded Chat]
Organize conversations by topic. Stay on top of important topics and return to previous discussions at any time.

[To-Do List]
A simple list feature that lets you share tasks between you and your partner. Create lists by topic, such as "Restaurants to Visit" or "Weekend Shopping."

[Notes]
Securely share text, images, and videos. Travel plans, family contact information, and more are encrypted for safe storage.

[Calendar]
Separately register "Together Schedule," "Your Schedule," and "Your Partner's Schedule." Your expected period, anniversaries, and to-do list dates are all displayed together, so you can get all the information you need at a glance.

[Period Sharing]
Based on your period records, predict your period, ovulation, and fertility dates. Understanding your partner's biorhythms can help reduce misunderstandings.

[Anniversary Management]
Register special dates in the app so you can celebrate them without forgetting. You can also choose monthly or yearly, making it a great option for couples with many anniversaries!

[Family Event and Memorial Service Notifications]
Register your birthday, wedding anniversary, or death anniversary as anniversaries to automatically receive notifications for family events and memorial services like shrine visits, silver wedding anniversaries, and third anniversaries. Not only can you manage events for couples and children, but you can also keep track of important days for your parents and relatives.

[Meeting Up Feature]
Privacy-first location sharing. Your location is only visible when you choose to share, so you don't have to worry about being constantly monitored. This makes meeting up smoother.

[Conversation Support]
Virtual couples therapist "Penry-chan" supports your conversations. Open the door to deeper, richer communication.

[Fun Features]
Earn points using the app and increase your couple rank. Find items from treasure chests to enjoyably nurture your relationship.

All of these features are available for free! Upgrade to PRO for even more convenience.

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From student couples to dual-income couples, from newly romantic couples to long-time partners, enrich and deepen your relationship.

COUPPLY - A Japanese couples' app that makes your everyday life happier.

*More features for recording memories, such as albums and diaries, will be added in the future!

Terms of Use: https://coupply.co.jp/terms
Privacy Policy: https://coupply.co.jp/privacy
App inquiries: mail@coupply.app
Official Twitter: @COUPPLY_JP
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