TDDD vs Must
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TDDD
Easily manage your tasks with this straightforward to-do list application. Get timely reminders and organize your tasks with customizable categories. Sync your data across devices for seamless access.
- Easy to-do addition
- Customizable categories with colors and emojis
- Scheduled notifications
- Lock settings
- iCloud syncing
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[Super simple to-do management] - It's very easy to add a to-do. - You never forget what to do because it sends you notifications at a set interval. - You can decorate categories with 32 colors and emojis. - Lock settings are also available. - iCloud syncing is possible, so don't worry if you change devices.
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: Must at none against TDDD's 2. Must also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). TDDD's advantage is update cadence (every 5 days vs every 2 months) and review sentiment (100% vs 90%). On price, rating, ratings volume 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. TDDD sells 2 in-app purchases, starting at $0.99 per year. Must asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for TDDD against 4.0 for Must. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of TDDD's written reviews are positive against 90% of Must's.
TDDD ships an update every 5 days, Must every 2 months. The most recent releases landed on August 20, 2026 and August 26, 2026 respectively.
| Parameter | TDDD | Must |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 4.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 90.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | SEUNG YEOP YEOM | Jichan Hwang |
Customer experience
TDDD
Must
In-app purchases
TDDD
- Annual plan$0.991 Year
- Lifetime plan$2.99
Must
No in-app purchases
