3LINEDIARY vs 공유일기
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
공유일기
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당신의 일기장에 소중한 사람을 초대해 보세요. 서로의 기록을 엮어 하나의 추억으로 간직해봐요. 일기장을 만들어 보세요: 나만의 공간 - 자유롭게 당신만의 일기장을 만들어보세요. 친구들과 함께 - 가족부터 친구, 연인까지, 당신이 사랑하는 사람들을 초대하고 함께 일기를 쓰세요. 함께하는 즐거움: 공유하는 기쁨 - 매일의 작은 이야기부터 큰 사건까지, 함께 나누며 소통의 즐거움을 느껴보세요. 서로를 알아가기 - 일상을 공유하며 서로를 더 깊이 이해하고, 관계를 더욱 풍부하게 만들어보세요. 소중한 추억 저장: 기억을 담는 곳 - 함께 쓴 일기는 추억의 보물 상자가 됩니다. 언제든지 돌아보고 웃음 지을 수 있어요. 우리만의 작은 세상: 공유일기는 단순한 일기 앱이 아닙니다. 이곳은 당신과 당신이 소중히 여기는 사람들만의 작은 세상이에요. 매일매일 작성하는 이야기가 모여 특별한 추억을 만듭니다. 함께 기록하며 우리의 관계를 더욱 깊고 의미 있게 만들어보세요. 공유일기로 시작하는 하루하루가 여러분의 삶에 작은 기쁨을 가져다줄 거예요!
Screenshots
Verdict
The clearest difference is rating: 공유일기 at 5.0 against 3LINEDIARY's 4.4. 공유일기 also leads on in-app purchases (none vs 1) and update cadence (every 5 days vs fortnightly). 3LINEDIARY's advantage is ratings volume (48 vs 1) and device support. On price 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
Both are free to download. 3LINEDIARY sells 1 in-app purchase, starting at $2.99 per month. 공유일기 asks for nothing beyond the download.
공유일기 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: 3LINEDIARY has 48 ratings behind it against 1, so its average is the more settled of the two.
3LINEDIARY ships an update fortnightly, 공유일기 every 5 days. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.
| Parameter | 3LINEDIARY | 공유일기 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (48 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 84.5% of reviews | — |
| Number of ratings | 48 — better | 1 |
| Update frequency | Fortnightly | Every 5 days — better |
| Ads | Yes | — |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPod — better | — |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 88 MB | 53 MB |
| Age rating | 12+ | 12+ |
| Developer | (주)윌림 | INHO SHIN |
In-app purchases
3LINEDIARY
- ‘Friends' Subscription$2.991 Month
공유일기
No in-app purchases









