이건달력 vs Rostr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
이건달력
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"이건, 달력"은 광고 없이 가볍고 심플하게 사용할 수 있는 일정과 일상 기록 관리 앱입니다. 중요한 일정을 놓치지 않도록 간편하게 정리하고, 하루하루의 일상을 쉽게 기록해보세요. 날짜를 탭하면 일정을 바로 추가할 수 있어 빠르고 편리하게 일정 관리를 시작할 수 있어요. 매일 반복되는 루틴이나 주간 회의처럼 반복되는 일정도 간단하게 설정할 수 있고, “오늘” 버튼을 누르면 언제든 현재 날짜로 빠르게 이동할 수 있어요. 기록하고 싶은 일상이 있다면 메모를 남겨보세요. 일정과 메모를 함께 관리할 수 있어 더 효율적으로 하루를 정리할 수 있습니다. 필요한 일정이나 메모가 있다면 검색 기능을 통해 빠르게 찾아볼 수 있어요. 또한, 한국 캘린더를 지원하기 때문에 공휴일도 함께 확인할 수 있어 더욱 편리합니다. 무거운 기능이나 광고 없이, 꼭 필요한 기능만 담았습니다. 깔끔하고 직관적인 인터페이스로 누구나 쉽게 사용할 수 있어요. "이건, 달력"과 함께라면 일정 정리도, 하루 기록도 훨씬 더 가볍고 즐거워집니다. 오늘도 무탈한 하루 되세요.
Rostr
Easily share work schedules with friends and see when you're both working. Features AI-powered roster scanning, shared calendars, and overlap alerts for spontaneous meetups. Create private groups for small teams and access schedules offline.
- AI Roster Scanning
- Shared Group Calendars
- Overlap Alerts
- Offline Access
- Private Group Creation
- Dark/Light Mode
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Rostr is the simplest way for teams to share work rosters. Built for shift workers, retail staff, healthcare professionals, hospitality crews, and anyone whose schedule changes week to week. If your manager messages a screenshot of next month's roster in the group chat, Rostr is for you. SMART ROSTER SCAN Take a screenshot of your printed or texted roster. Rostr reads it with AI and auto-fills your calendar. No typing, no copy-paste. Works with most common roster formats. SHARED CALENDAR Create a group, invite friends and coworkers, and see everyone's schedule on one color-coded calendar. Monthly and weekly views, light and dark mode. WAGES CALCULATOR Calculate your earnings: hourly rate, overtime, weekend and public holiday differentials. Know your take-home before payday. SHIFT SWAPS Need someone to cover a Saturday? Post a swap on the community wall. The first teammate to accept gets it. No more endless message threads. END-TO-END ENCRYPTED CHAT Direct messages and group chats are encrypted on your device. Even Rostr cannot read them. Voice notes, photos, and replies are all secured. COMMUNITY WALL - Text posts with photos - Polls for team decisions - Shift swap board - Lost and found notices - Likes, comments, reactions SMART NOTIFICATIONS Get notified about shift changes, group announcements, mentions, swap acceptances, and new posts. Quiet when you are off the clock. MULTI-LANGUAGE Available in English, Traditional Chinese, Simplified Chinese, Japanese, Korean and Spanish. FREE WITH OPTIONAL PRO SUBSCRIPTION Rostr is free to use and supported by ads. Subscribe to Rostr Pro (monthly or yearly) to remove ads and unlock unlimited roster scans, unlimited groups, and instant wages calculations. Auto-renewing - cancel anytime in App Store. PRIVACY Rostr never sells your data. Roster screenshots used for AI scanning are processed securely and discarded after extraction. Full privacy policy: https://www.arami.tech/rostr-privacy.html Built by ARAMI TECH LLC. Made for the people who actually clock in.
Screenshots
Verdict
The clearest difference is in-app purchases: 이건달력 at none against Rostr's 2. 이건달력 also leads on ads (none vs shown) and iOS requirement (15.6 vs 18.0). On price, update cadence and device support 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. Rostr sells 2 in-app purchases, starting at $3.99 per month. 이건달력 asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | 이건달력 | Rostr |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Weekly | Weekly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 19 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Hwangro Lee | Arami Tech LLC |
In-app purchases
이건달력
No in-app purchases
Rostr
- Rostr Pro Monthly$3.991 Month
- Rostr Pro Yearly$29.991 Year









