Best apps like 사이 - 최애가 해주는 일정 관리

10+ similar apps compared and reviewed

4.5 avg rating
10 free apps
Updated August 2026

Whether you want more options like 사이 or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
📊 Productivity
4.0(62 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to 사이

Lock Screen Calendar: CoreTask#1

Lock Screen Calendar: CoreTask by Seongkyun Lim

Focus on What Matters Most
Editor's Choice
📊 Productivity
5.0(17 ratings)
FreeIn-App Purchases
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This app helps you manage your time and overcome procrastination by organizing tasks based on importance and urgency. It offers a focus timer to help you complete tasks efficiently and reduce stress.

Flick - 플릭#3

Flick - 플릭 by Yunjae Kim

Worth Considering
📊 Productivity
5.0(1 ratings)
Free
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This app helps you remember important tasks that don't have strict deadlines. It allows you to easily record, mark as complete, and prioritize your to-dos. View your completed tasks and access them via widgets on your home and lock screens.

More apps like 사이

4
App Block, Study: LockChest
App Block, Study: LockChest
App Block, Study: LockChest
Take back stolen focus & time
Free

This app helps you regain control of your screen time by blocking distracting applications and websites. It offers multiple modes to manage your usage, including instant blocking, scheduled blocking, and daily limits, promoting a healthier digital lifestyle.

Block distracting apps and websitesInstant blocking timerScheduled app blocking
📊 Productivity
(25)
free with in-app purchases
5
MODA: Todo & Routine Planner
MODA: Todo & Routine Planner
MODA: Todo & Routine Planner
Never Forget a Todo or Routine
Free

Organize your day with a friendly planner that helps you manage tasks, build habits, and track your progress. Save important lists, plan weekly and daily activities, and jot down quick notes. Features include routines with stickers and statistics to monitor your achievements.

Yearly BookmarksMonthly TodosWeekly Todos
📊 Productivity
(1)
free with in-app purchases
6
Routineday Daily Habit Tracker
Routineday Daily Habit Tracker
Routineday Daily Habit Tracker
Simple Todo & Routine Planner
Free

Build healthy habits and manage your daily tasks with this flexible planner. It allows you to track progress, journal your experiences, and set routines that fit your unique lifestyle, whether daily or on a custom schedule.

Flexible routine schedulingCustomizable to-do listsDaily journaling and notes
📊 Productivity
(7)
free with in-app purchases
7
Timing - Grid Time Tracker
Timing - Grid Time Tracker
Timing - Grid Time Tracker
by (주)날다
Free

This app helps you understand how you spend your time by tracking your activities. It provides insights into your habits and allows you to reflect on your day to reclaim control over your schedule. Designed with mindfulness principles, it offers a gentle approach to time management.

Effortless timer start/stopLive Activity for quick trackingHome screen widgets
📊 Productivity
(1)
free with in-app purchases
8
Daycrush: Remind Planner To-do
Daycrush: Remind Planner To-do
Daycrush: Remind Planner To-do
Burnout-Management To-do App
Free

This app helps users manage burnout by analyzing lifestyle issues and stress sources. It offers tools for organizing to-do lists, habits, and schedules, along with a focus timer and background sounds to improve daily productivity and well-being.

Daily burnout analysis and identificationAI-powered psychological counselingTo-do list and habit organization
📊 Productivity
(2)
free with in-app purchases
9
MyTurn - One turn a day
MyTurn - One turn a day
MyTurn - One turn a day
One turn a day
Free

This app offers a unique board game-style approach to tracking daily routines and to-do lists. Users can visualize progress, record their mood, and review monthly statistics. It also includes backup functionality to save routine history.

Board game-style routine trackingDaily mood recordingTo-do list with racing twist
📊 Productivity
(12)
free with in-app purchases
10
들락 (Dlock)
들락 (Dlock)
들락 (Dlock)
by Seonhyo Kim
Free

Start your day with 5 minutes of reading to combat dopamine addiction. AI scores your literacy daily and ranks you nationally. Begin your journey to a clearer mind today.

5-minute daily reading sessionsAI literacy scoringNational ranking
📊 Productivity
(0)
free