9 Best Time Blocking Apps in 2026: AI Schedulers vs Planners
The best time blocking app depends on how you plan. We compared 9 apps, from AI auto-schedulers to calm daily planners, and show who each one is for.
Open Sunsama Team · · Updated · 12 min read
The best time blocking app for most people is Open Sunsama. It is an open-source daily planner with time blocking that works with any AI agent. Your data stays yours, you can self-host it, and it has a public API.
We build Open Sunsama, so we put it first — here is why, and where others fit better.
Akiflow is best if your tasks come from many tools. Motion and Reclaim are best if you want AI to fill your calendar, and Sunsama is best for a calm, guided plan each morning.
For simple needs, a phone app like TimeBloc or Google Calendar with Todoist is enough. Below you get a comparison table, a short review of each app, and a guide to help you choose.
Key takeaways
- Best overall: Open Sunsama. It is keyboard-first, you can self-host it, and Claude, ChatGPT or Cursor can plan your day over MCP.
- Best for tasks from many tools: Akiflow. It pulls tasks from email, Slack and your project tools into one list, then you drag them onto your calendar.
- Best AI auto-scheduling: Motion for projects, Reclaim for protecting focus time and habits.
- Best for mindful daily planning: Sunsama. Its morning and evening rituals keep your day realistic.
- Best for calendar power users: Morgen. It joins many calendars and adds an AI planner.
- Best visual phone planners: TimeBloc and Structured.
- Best simple setup: Google Calendar plus Todoist.
The 9 best time blocking apps compared
| App |
Approach |
Best for |
AI and agents |
Platforms |
Price (Sept 2026) |
| Open Sunsama |
Manual, keyboard-first |
Best overall: open source and any AI agent |
MCP for any agent, REST API |
Web, Mac, Windows, Linux, mobile |
Open source; hosted app or self-host |
| Akiflow |
Manual, with AI help |
Tasks from many tools |
Aki assistant, MCP |
Web, Mac, Windows, iOS, Android |
$34/mo, or $19/mo billed yearly |
| Motion |
AI auto-scheduling |
Projects with deadlines |
AI scheduler and chat |
Web, desktop, iOS, Android |
$19/mo, less billed yearly |
| Reclaim |
AI auto-scheduling |
Focus time and habits |
AI planner, MCP |
Web |
Free plan; from $10/seat/mo |
| Sunsama |
Guided manual planning |
A calm, realistic day |
Sunny assistant, MCP |
Web, Mac, Windows, Linux, iOS, Android |
$22/mo, or $17/mo billed yearly |
| Morgen |
Manual, with AI planner |
Many calendars in one view |
AI planner |
Web, Mac, Windows, Linux, iOS, Android |
$30/mo, or $15/mo billed yearly |
| TimeBloc |
Visual timeline |
Planning on your iPhone |
None |
iPhone, Android |
Free; Premium in-app |
| Structured |
Visual timeline |
A simple daily timeline |
AI task input |
iOS, Android, Mac, web |
Free; Pro from $29.99/yr |
| Google Calendar + Todoist |
Manual events |
Light time blocking |
Todoist MCP, Calendar MCP (preview) |
Web, iOS, Android |
Free plans; Todoist Pro is paid |
Prices come from each app's pricing page or app store listing in September 2026. They can change, so check before you buy.
How we compared these time blocking apps
In September 2026 we checked each app's website, pricing page, help docs, changelog and MCP or API docs. We also read hundreds of user reviews, plus threads on Reddit, Hacker News and Product Hunt.
We checked five things for every app:
- How fast you can turn a task into a time block.
- What happens when a day goes wrong and tasks roll over.
- How the app shows meetings and tasks side by side.
- How well the phone app works away from the desk.
- Whether an AI agent can read and change the plan.
We also build and use Open Sunsama every day. We held it to the same five checks and point out where other apps do better.
Open Sunsama is our top pick for time blocking
1. Open Sunsama: best overall time blocking app
Verdict: Open Sunsama is a keyboard-first daily planner whose code you can read, run and extend.
Best for: Most people who want to plan their own day. It fits best if you already ask Claude or ChatGPT to plan, or want to self-host.
Plan your whole day in one place with Open Sunsama
Each morning you pull tasks from the backlog into Today. Then you give each one a slot on the calendar.
Drag tasks from the backlog into Today to plan your day.
What works:
- Your tasks sit on a board of days next to your calendar. You drag a task onto a time slot to block it, then drag the edge to resize it.
- Unfinished tasks roll over to the next day, so a bad day never becomes a wall of stuff.
- A focus mode with a timer tracks actual time, so you can compare planned vs actual.
- Cmd+K opens a command palette, and most actions have a shortcut.
- It syncs with Google Calendar, Outlook and iCloud.
Drag a task onto the calendar, then drag the edge to set how long it takes.
Tasks on the left, time blocks on the right, all in one place.
It works with any AI agent. Paste one URL into Claude, ChatGPT, Cursor or any MCP client, then sign in. Your agent can then read your meetings and tasks and add time blocks around your meetings.
An AI agent plans the afternoon over MCP. Tasks and time blocks appear live.
The code is public on GitHub. It uses a non-commercial license: you can read it, run it and self-host it for personal use. Companies need a commercial license.
Limits:
- It has no AI auto-scheduler. You place blocks yourself, or you ask your agent.
- It links to fewer tools than Sunsama or Akiflow. There is no Slack, Asana or Jira sync yet, so you bring those tasks in through the REST API or your agent.
- It is a younger product with a smaller community.
Pick it if: you want full control of your planner, your data and the agent that runs it.
Try Open Sunsama or see how the MCP server works.
AI auto-scheduling apps plan the day for you
These apps take your tasks, deadlines and meetings, then place the blocks for you. When a meeting moves, they move your tasks too. The trade-off is control: some people say the plan feels like a black box.
2. Motion: best for projects with deadlines
Verdict: Motion is the most hands-off time blocking app on this list.
Best for: Busy people and small teams who juggle many tasks with due dates.
What works:
- You add a task with a deadline and a length, and Motion finds the slot.
- When a meeting lands on your block, Motion moves the task for you.
- It also does projects, docs and team views, so some teams use it for everything.
Limits:
- The plan can shift a lot during the day, which some people find hard to trust.
- It does far more than time blocking, so setup takes a while.
- There is no free plan, only a short trial.
Pick it if: you would rather not decide when to do each task.
Visit Motion
3. Reclaim: best for protecting focus time and habits
Verdict: Reclaim guards your calendar more than it plans your to-do list.
Best for: People in meeting-heavy jobs who need to keep time for deep work.
What works:
- You set a weekly goal for focus time, and Reclaim books it around your meetings.
- Habits like lunch or a weekly review find the best open slot on their own.
- It pulls tasks from Todoist, Asana, ClickUp, Jira and Linear on paid plans.
- It connects to Claude over MCP and to ChatGPT.
Limits:
- It lives on the web, with no native phone app.
- It works on top of Google Calendar or Outlook, so you need one of those.
- Reclaim is now part of Dropbox, which some users watch with care.
Pick it if: your main problem is meetings eating the time you need for real work.
Visit Reclaim
Manual daily planners keep you in control
These apps show your task list next to your calendar. You drag each task into a slot yourself. It takes a few minutes each morning, but you always know why a block is there.
Verdict: Akiflow is the fastest way to get tasks from many tools into one plan.
Best for: Founders, managers and anyone whose tasks start in email, Slack and project tools.
What works:
- Its inbox pulls tasks from Gmail, Slack, Notion, Asana, Jira, Todoist and more.
- Keyboard shortcuts and a command bar make planning quick.
- You can block a single task, or make a "slot" and drop a group of tasks into it.
- Aki, its AI assistant, and an MCP connector come with the Pro plan.
Limits:
- There is no free plan, and it costs more than most apps here.
- The phone app is better for checking your day than for planning it.
- With so many sources, the inbox can turn into a wall of stuff.
Pick it if: your tasks are spread across five tools and you want them all in one place.
Visit Akiflow
5. Sunsama: best for mindful daily planning
Verdict: Sunsama is the calmest way to plan a realistic day.
Best for: Knowledge workers who want a guided plan and a clear end to the day.
What works:
- A daily planning ritual walks you through what to do today and how long it takes.
- It adds up your planned hours, so you see when a day is too full.
- It tracks planned vs actual time, and unfinished tasks roll over.
- It links to about twenty tools, from Asana and Jira to Gmail and Slack.
- Sunny, its AI assistant, and an official MCP server let Claude and ChatGPT work with your tasks.
Limits:
- Some users say the daily ritual turns into a 20-minute chore.
- Many reviews call the phone app weak next to the desktop app.
- There is no public REST API, and the code is closed.
Pick it if: you want the app to guide you to a calm day, one day at a time.
Visit Sunsama
6. Morgen: best for people with many calendars
Verdict: Morgen is a clean calendar that brings all your accounts and task lists together.
Best for: People with work and personal calendars across Google, Outlook and iCloud.
What works:
- It joins Google, Outlook, iCloud and Fastmail calendars in one view.
- It pulls tasks from Notion, Todoist, Linear, ClickUp and more.
- Its AI planner suggests a plan, and you adjust it before it goes on the calendar.
- It runs on Linux as well as Mac, Windows and mobile.
Limits:
- The monthly plan costs more than most apps here.
- Its own task list is basic, so it works best with a task app beside it.
Pick it if: your calendars are the mess, not your task list.
Visit Morgen
Simple apps are enough for light time blocking
You don't need a full planner to time block. If you plan a few blocks a day, a visual phone app or your usual calendar will do.
7. TimeBloc: best visual planner for your phone
Verdict: TimeBloc turns your day into colored blocks you can see at a glance.
Best for: Students and anyone who plans on their phone and loses track of time.
What works:
- Blocks have colors, icons and tags, so your day is easy to read.
- You build a routine once, and it fills each day's timeline.
- Lock Screen widgets show what is next without opening the app.
- It brings in events from your existing calendar.
Limits:
- There is no real task list or backlog.
- Many features, like more than one routine, need Premium.
- There is no desktop app.
Pick it if: you want a quick, visual plan for the day on your phone.
See TimeBloc on the App Store
8. Structured: best simple daily timeline
Verdict: Structured is a friendly timeline that mixes tasks and events.
Best for: People who want a light, pretty plan across phone and computer.
What works:
- Tasks and calendar events share one timeline.
- It picks an icon for each task, which makes the day easy to scan.
- You can add tasks by voice or photo with its AI input.
Limits:
- The timeline is great for one day but hard to use for a full work week.
- There are no projects or folders for bigger task lists.
Pick it if: you want the simplest possible daily plan.
Visit Structured
9. Google Calendar with Todoist: best simple setup
Verdict: A calendar you already know plus a strong task list covers the basics.
Best for: Light time blocking, or a first try before you pay for a planner.
What works:
- You add a task as an event and color-code it by type of work.
- Todoist handles the task list, with due dates, priorities and durations.
- Todoist has an official hosted MCP server, and Google has a Calendar MCP in developer preview. So an AI agent can reach both.
Limits:
- Tasks and blocks live in two apps, so you copy work back and forth.
- There is no focus timer and no rollover of blocks.
- An agent needs two connectors to plan one day.
Pick it if: you time block a few times a week and want to keep it simple.
Visit Todoist
Which time blocking app should you pick?
For most people: Open Sunsama. You plan a calm day by hand, and any AI agent can help when you ask.
If you have a specific need, start with how you want to plan.
- If your tasks come from many tools, pick Akiflow.
- If you want AI to schedule for you, pick Motion. Pick Reclaim if you mostly want to guard focus time.
- If you want a calm, guided day, pick Sunsama.
- If you juggle many calendars, pick Morgen.
- If you plan on your phone, pick TimeBloc or Structured.
- If you only block a few hours a week, use Google Calendar and Todoist.
Most apps offer a trial. Try your top two for a week each and keep the one you still open on day five.
How to start time blocking in 15 minutes
The app matters less than the habit. Here is a simple way to begin in any time blocking calendar app.
- Brain dump. List every task on your mind in one place.
- Pick three. Choose the three tasks that matter most today.
- Guess the time. Give each task a length, then add half again. Most of us guess low.
- Block around meetings. Put your hardest task in your best energy hours.
- Leave gaps. Keep about a third of the day open for surprises.
- Roll over, don't pile up. At the end of the day, move what is left to tomorrow or the backlog.
Move tasks across days in week view when plans change.
A weekly view helps you spread big tasks across days instead of cramming one day.
The week view shows every block, so you can spot an overloaded day.
For the full method, read our complete guide to time blocking. If you are leaving Sunsama, see our Sunsama alternative page or the Motion vs Sunsama comparison.
Ready to try it? Create an Open Sunsama account, download the desktop app, or connect your agent with the MCP guide for Claude.
Frequently asked questions
What is the best time blocking app?
Open Sunsama is the best overall pick. It is an open-source daily planner with time blocking that works with any AI agent. Akiflow is best if your tasks live in many tools, and Motion or Reclaim if you want AI to fill your calendar.
Is Google Calendar good for time blocking?
Yes, for light use. You can add tasks as events and color-code them. It has no backlog, no rollover and no focus timer, so daily time blocking gets slow.
What is the difference between time blocking and timeboxing?
Time blocking gives each task a slot on your calendar. Timeboxing adds a hard stop: when the block ends, you stop. Most time blocking apps support both.
Should I use an AI auto-scheduler or plan by hand?
Use an auto-scheduler like Motion or Reclaim if your week changes all the time and you trust the app to move tasks. Plan by hand if you want to see and choose every block. Many people find auto-schedulers hard to predict.
Can an AI agent time block my day for me?
Yes. Open Sunsama, Sunsama, Akiflow and Reclaim all offer MCP servers, so Claude or ChatGPT can read your tasks and add blocks. With Open Sunsama you connect one URL and sign in, and the agent sees your meetings, tasks and time blocks together.
Is there an open-source time blocking app?
Yes. Open Sunsama is an open-source daily planner with time blocking, calendar sync and an MCP server. The code is public on GitHub under a non-commercial license, and you can self-host it with Docker for personal use.
What is the best time blocking app for iPhone and Android?
TimeBloc and Structured are built for the phone first. Google Calendar also works well on mobile. Most desktop planners, including Sunsama, Akiflow and Morgen, have mobile apps that are better for checking your plan than for making it.