Comparison

Must vs TRIX

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

Head to head
About

Must

Manage all your schedules quickly and easily with this intuitive app. It offers convenient schedule notifications, a dark theme option, and a task monitor to keep track of your to-dos. Organize your tasks systematically using the Eisenhower Matrix and color-coded tags.

Highlights
  • Eisenhower Matrix for systematic task management
  • Convenient schedule notifications
  • Home screen widgets for quick access
  • Customizable color tags for event classification
  • Task monitor with filtering options
  • Dark theme support
Features
Read full description

쉽고 편리한 "must"로 모든 일정을 빠르게 관리하세요. ■ must 앱은, - 쌓여있어 머리 아픈 할 일에 필요 없는 기능은 없앴어요. - 편리한 일정 알림을 받아보세요. - 아이젠하워 매트릭스를 이용해서 체계적으로 일정을 관리할 수 있어요. - 1개의 앱에서 모든 일정을 효과적으로 관리해 보세요. - 다크 테마로 취향에 맞는 갓생을 즐겨보세요. ■ 아이젠하워 매트릭스 & 일정 메모 - 4개의 매트릭스를 마음껏 이용해 보세요. - 사용자 취향에 맞는 분류명/색상으로 설정할 수 있어요. - 새로운 일정을 추가할 때, 다양한 응원 메시지를 확인하는 재미가 있어요. - Task에 대한 세부적인 할 일까지 메모할 수 있어요. ■ 일정 알림 & 홈 화면 위젯 - 편리한 일정 알림으로 여러 일정을 놓치지 마세요. - 홈 화면 위젯으로, 일정을 쉽고 빠르게 확인하세요. ■ 9가지 색상 태그 - 알록달록한 8개 색상과 기본 1개 색상 태그를 설정해 보세요. - 회사, 집, 약속, 경조사, etc... 색상 태그로 다양한 일정을 쉽게 분류해 보세요. ■ 할 일 모니터 - 추가한 모든 일정을 한 눈에 확인할 수 있어요. - 8가지 색상 필터를 사용해서 원하는 분류의 일정만 확인해 보세요. - 남은 할 일, 오늘 할 일 필터를 이용해 보세요.

About

TRIX

Features
Read full description

Too many tasks, no idea where to start? TRIX has the answer. Swipe to prioritize. Pick your Big3. Focus with Pomodoro. One seamless workflow built for ADHD brains - no complex setup required. Brain Dump > Swipe Classification > Big3 Selection > Focus Mode - own your day in four simple steps. --- [BRAIN DUMP] Clear Your Mind Capture tasks the moment they pop into your head. Don't organize - just dump. Collecting everything in one place reduces mental clutter and anxiety. Meeting ideas, grocery lists, tomorrow's report - write it all down. Add tags, notes, and reminders. Find anything instantly with search. [SWIPE TO CLASSIFY] Fast as Tinder Swipe your tasks into the Eisenhower Matrix's four quadrants. Determine importance and urgency intuitively with a single gesture. Swipe up: Urgent Swipe down: Not urgent Swipe left: Important Swipe right: Not important One swipe, one decision. Made a mistake? Undo instantly. [EISENHOWER MATRIX] Priorities at a Glance Classified tasks are automatically placed on a 2x2 matrix - the proven decision-making framework used by President Dwight Eisenhower. Q1 DO: Important + Urgent - Act now Q2 SCHEDULE: Important + Not Urgent - Plan it Q3 DELEGATE: Not Important + Urgent - Hand it off Q4 DELETE: Neither - Let it go Focus your energy only on what truly matters. [BIG3] Just Three Things Today Select the three most critical tasks from your DO quadrant. Research shows three is the optimal number of important tasks per day. No more overwhelm from endless to-do lists. Complete your Big3, earn rewards, and track them right on your lock screen widget. [FOCUS MODE] Pomodoro Timer Tackle your Big3 with Pomodoro. Choose from 4 presets: Quick (10min), Standard (25min), Extended (50min), or Deep Work (90min). Break tasks into micro-steps and check them off one by one. Built-in traffic light system prevents hyperfocus burnout: Green - Yellow - Red signals when to take a break. Especially designed for ADHD-style hyperfocus management. Track your timer on the lock screen with Live Activity. [CALENDAR & REVIEW] Track Your Growth Review completed tasks by date with a heatmap calendar. Analyze weekly and monthly stats: tasks completed, total focus time, quadrant completion rates, and traffic light distribution. Daily Score turns your productivity into numbers. Build streaks and stay motivated. --- More Features - Tags & Search: Organize with tags, find tasks instantly - Micro-Steps: Break big tasks into small checkable steps - Reminders: Per-task notifications + daily Big3 reminder - Auto Carry-Over: Yesterday's unfinished Q1-Q3 tasks move to today - Completed Archive: Browse past achievements, restore if needed - Data Backup: Export/import JSON, sync to Calendar app --- Why TRIX? - ADHD-Friendly UX: Swipe and tap - no complex menus. Minimal cognitive load by design. - Proven Methods: Eisenhower Matrix + Pomodoro Technique in one seamless workflow. - Lock Screen Widgets: Big3 widget + Focus Timer Live Activity - stay on track without opening the app. - Dark/Light Themes: Easy on the eyes, respects your system setting. - Fully Offline: Works without internet. Subway, airplane - anywhere. - Privacy First: All data stays on your device. No servers, no tracking. - Ad-Free: Zero ads. Pure focus experience. --- Perfect for you if: - You have too many tasks and don't know where to start - You struggle with focus or hyperfocus due to ADHD - Other task apps feel too complicated - You want Pomodoro and task management in one app - You want to build a consistent daily productivity routine --- With TRIX, today's priorities become crystal clear. Download now and start by clearing your mind.

Screenshots

Must4 screens
TRIX4 screens

Verdict

The call

The clearest difference is update cadence: TRIX at weekly against Must's every 2 months. Must's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Must ships an update every 2 months, TRIX weekly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
Must versus TRIX: the parameters behind the verdict, then further details
ParameterMustTRIX
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews90.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size52 MB27 MB
Age rating4+4+
DeveloperJichan HwangWooyoung Kim

In-app purchases

None

Must

No in-app purchases

None

TRIX

No in-app purchases

Questions

Is Must free?
Must is free to download, with no in-app purchases.
Is TRIX free?
TRIX is free to download, with no in-app purchases.
Do Must or TRIX have ads?
Neither Must nor TRIX shows ads.
Which is updated more often, Must or TRIX?
Must ships an update every 2 months, and TRIX weekly. Most recently, Must was updated on October 10, 2026 and TRIX on October 13, 2026.

Other comparisons