SumOne: For Relationships
SumOne: For Relationships is made and published by sandfox. AppBrain is an independent app data site and isn't affiliated with sandfox. The app name, icon, screenshots and description belong to sandfox and are shown as published on the App Store.
AppBrain's verdict
EstablishedLoved by usersTop 10- Rating on App Store
- 4.88
- 18,551 ratings
- Last updated
- October 24, 2026
- Size
- 254.9 MB
Users love it: 4.9 stars from 18,551 ratings. Its best ranking is #10 in Top Grossing, Lifestyle in South Korea.
User feedback
Ratings and reviews on the App StoreComments on SumOne: For Relationships for iOS
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Store listing
By sandfox, from the App StoreDescription by sandfox Written by the developer, not by AppBrain. Click to read.
Will you join us and start your own journey?**
Get together with the one who makes your heart flutter, create a space to raise a new friend together, and discover something about each other every day!
● SumOne’s main features!
[A daily discovery]
Every day at a time of your choice, SumOne gives you and your partner a question - ranging from deep and introspective to cute and surprising! It’s a chance for you to share more about who you truly are, learn about your partner’s heart and soul, and strengthen your bond!
[A new companion]
Welcome EggMon on your journey! This sweet little egg is fascinated by Love and can't help but be interested in your relationship! Help it grow and hatch into a surprising new form by sharing your honest answers on the Daily Question!
[Interior]
With the pebbles (in-app currency) you collect together within the app, you can buy various items to decorate little EggMon’s room!
Head over to the shop and select your items from the various themes available.
Keep your eyes peeled for the seasonal themes only available for a limited time!
● There's so much more!
- [Send each other cute notes]
Get a Memo and stick it up on the Main Screen! Your partner will be delighted to read your thoughts of the day
- [Discover EggMon’s past]
EggMon kept a diary of his quest for Love. Get a new page and read it together!
- [Birth Certificate]
It is clear that EggMon is here to stay…How about officially registering its cute nickname?
- [Emotion Tracker]
Every time you answer a question, you can select and share how you’re feeling that day. At the end of the month, our little helper (and EggMon’s best friend) Hakoo will gather it all and share the record of your love with you!
- [The most important day]
Keep track of your anniversary! We count the days since you decided to be together.
- [Have it all on your home screen]
Use our Memo or Anniversary widgets to keep a cute reminder of your love right on your screen!
Make new memories and deepen your ties with your partner with SumOne!
Contact us : [contactus@monymony.co]
Mobile: +82 103255561
Instagram : @sumone.global
Homepage : [https://www.sumone.co/en/]
End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 254.9 MB
- Content rating
- Everyone
Technologies used by SumOne: For Relationships
Releases
Updates seen on the App Store- Version
- 3.1.9
- Launched
- December 2019
No changelog data
Alternatives
Similar apps and more from sandfoxAlternatives to SumOne: For Relationships
Rankings
App Store top charts- Highest rank
- #10
- Chart
- Top Grossing
- Lifestyle
- Country
- South Korea
App Store Rankings for SumOne: For Relationships
Top rankings
| Rank | Country | Category | List |
|---|---|---|---|
| 10 | South Korea | Lifestyle | Top Grossing |
| 70 | Japan | Lifestyle | Top Grossing |
| 73 | South Korea | Lifestyle | Top Free |
Ranking history in South Korea
About the app and developer
About SumOne: For Relationships
SumOne: For Relationships is a lifestyle app developed by sandfox.
What is the rating of SumOne: For Relationships?
SumOne: For Relationships is rated 4.88 out of 5 stars, based on 19 thousand ratings.
Is SumOne: For Relationships free?
SumOne: For Relationships is free. The app size is 254.92 MB. The latest version available is 3.1.9. The last update was on October 24, 2026.
What are the requirements for SumOne: For Relationships?
The app has a content rating of Everyone. The app has been available on the App Store since December 2019.
Developer information for sandfox
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