Comparison

3LINEDIARY vs 우리끼리

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

3LINEDIARY

This app offers a simple journaling experience focused on positivity and mindfulness. Capture daily thoughts with brief entries and optional photos, create multiple private or public diaries, and connect with a supportive community through shared writing and engagement.

Highlights
  • Three-line daily entries
  • Optional photo attachments
  • Multiple private diaries
  • Public diary sharing (anonymous option)
  • Community engagement (likes, comments)
  • Shared diaries with friends/family
  • Customizable reminders
Features
Read full description

A comforting and mindful space. Increase positivity and motivation in your day-to-day life through a simple journaling habit. 3linediary is a leading diary, journal app that enables you to capture your day with three lines of text and one picture. You can create multiple diaries to reflect various aspects of your life. You can make your diary private for your eyes only, or public to share your story anonymously. Read, connect, and engage with people’s touching stories and their various lives reflected in their public diaries. Journal with the people you love - your partner, friends, and family. Join a community organized around shared interests and write collectively — sharing various topics from what’s on your mind to relationship advices, hobbies, KPOP stans, book recommendations, etc. At 3linediary, we believe that writing and sharing your stories is an empowering act of self-love. To take a moment of your day to write something that captures your day may seem like a simple act - but it’s an act of leaving a record of you and cherishing the present-you for the future. Start writing today! ■ This app is recommended for people who … - want to keep a simple record of daily thoughts and feelings - want to feel more gratitude in life - want to relieve stress and anxiety - want to track various goals and habits - want a record of personal milestones - want to write a journal with friends - want to write a diary with their significant other - want to practice creative writing - want to find a community to write with 
 ■ Features: - Pin lock to keep your private diaries protected - Save each diary entry as an image - Set custom reminder notifications on specific days and times. - Write an entry for a past date. - Write more than 3 lines if you feel like writing more. ■ Community - You can make your diary public and still remain anonymous. - Engage and connect with others through comments, likes, and bookmarks. - Read about various lives through people’s public diaries. - Join a community and write together about a shared interest. ■ Shared Diaries - You can write diaries with your friends, family or partner. - Record special memories together. Write to your long-distance friend or partner. ■ 3linediary FRIENDS Subscription (USD $2.99/month) - Download your diaries as a PDF - Choose from thousands of images to go with your diary entry. - Decorate your diary with various stickers. - Capture how you feel with a range of different fonts. - Once you confirm the purchase, the payment will go through your iTunes account. - The price of the subscription includes taxes. - You can turn off auto-renewal at least 24 hours before your subscription period ends. - After your purchase, you can manage your subscriptions in your iTunes account settings and turn off auto-renewal. *Terms and Conditions for Paid Services: https://mywillim.wixsite.com/home/enutilization-paid *Privacy Policy: https://mywillim.wixsite.com/home/enpersonaldata willim Inc. is a startup that aspires to help build a world filled with sincerity. Capture your life in 3 lines. Share your stories with 3linediary. - Business name: willim Inc. - CEO: Bae Joonho - Company Registration Number: 341-81-00628

About

우리끼리

Features
Read full description

남들 시선 신경 쓰지 않고, 진짜 '우리'의 이야기를 남길 수 있는 곳은 없을까? 가족, 연인, 찐친들과 함께 만드는 프라이빗 기록 & 소통 공간, '우리끼리'에 오신 것을 환영합니다. [우리끼리만의 특별한 기능: 우리끼리 재판소] 친구가 약속에 늦었나요? 오늘 점심 메뉴가 고민인가요? 이제 '우리끼리 재판소'에서 해결하세요! 우리끼리 판결: 사소한 갈등부터 중대한(?) 결정까지, 방 멤버들과 함께 투표하고 판결을 내려보세요. 유쾌한 소통: 판결 과정을 통해 우리만의 새로운 추억과 재미있는 에피소드를 만들 수 있습니다. 공정한 결과: 투표로 결정되는 우리만의 룰! '우리끼리'에서는 모두가 판사이자 배심원이 됩니다. [핵심 기능 더보기] 완벽한 프라이빗 그룹 방 누구나 들어올 수 있는 공개 SNS가 아닙니다. 초대된 사람만 들어올 수 있는 우리만의 비밀 공간을 만들어 보세요. 우리만의 순간과 기록 남기기 오늘 하루의 소소한 감정, 잊지 못할 특별한 추억들을 자유롭게 남겨보세요. 눈치 볼 필요 없는 진솔한 소통이 가능합니다. 실시간 알림과 댓글 친구의 새로운 기록이나 재판이 시작되면 실시간 알림(푸시)으로 가장 먼저 알려드립니다. 소중한 소통의 타이밍을 놓치지 마세요. [이런 분들께 추천해요!] 단짝 친구들과의 유쾌한 놀이터가 필요한 분 커플 사이의 사소한 논쟁을 귀엽게 해결하고 싶은 분 가족끼리 메뉴 정하기 등 결정이 어려운 분 우리만의 소중한 일상을 프라이빗하게 보관하고 싶은 분

Screenshots

3LINEDIARY4 screens
우리끼리4 screens

Verdict

The call

The clearest difference is in-app purchases: 우리끼리 at none against 3LINEDIARY's 1. 우리끼리 also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 3LINEDIARY sells 1 in-app purchase, starting at $2.99 per month. 우리끼리 asks for nothing beyond the download.

UpkeepUpdate frequency

3LINEDIARY ships an update fortnightly, 우리끼리 every 2 days. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
3LINEDIARY versus 우리끼리: the parameters behind the verdict, then further details
Parameter3LINEDIARY우리끼리
PriceFreeFree
Rating4.4 (48 ratings) — better—
Positive reviews84.5% of reviews—
Number of ratings48 — better—
Update frequencyFortnightlyEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.614.0 — better
Further details — not scored
Size88 MB43 MB
Age rating12+4+
Developer(주)윌림incheol park

In-app purchases

1 purchases

3LINEDIARY

Subscriptions1
  • ‘Friends' Subscription$2.991 Month
None

우리끼리

No in-app purchases

Questions

Is 3LINEDIARY free?
3LINEDIARY is free to download, with in-app purchases available.
Is 우리끼리 free?
우리끼리 is free to download, with no in-app purchases.
Do 3LINEDIARY or 우리끼리 have ads?
3LINEDIARY shows ads; 우리끼리 does not.
Which is updated more often, 3LINEDIARY or 우리끼리?
3LINEDIARY ships an update fortnightly, and 우리끼리 every 2 days. Most recently, 3LINEDIARY was updated on September 25, 2026 and 우리끼리 on September 20, 2026.

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