Most developers plan their week in a notes app or a Jira board — and by Tuesday, the plan is already dead. I've tried dozens of planning systems over the years. What actually stuck wasn't a system — it was a set of lightweight Mac apps that make planning feel effortless instead of like a chore.
Here are 7 apps I use every Sunday evening (or Monday morning, let's be real) to set up my week.
1. Fantastical — The Calendar That Doesn't Fight You
Fantastical is the best calendar app on Mac, period. Natural language input means I can type "standup every weekday at 9:30am" and it just works. The menu bar widget gives me a quick glance at what's coming without opening a full window.
What makes it great for weekly planning: the week view is gorgeous and shows time blocks clearly, so I can visually slot in deep work sessions between meetings.
Price: Free tier available, $4.75/mo for premium
2. Things 3 — Tasks That Actually Get Done
Things 3 is hands-down the most thoughtfully designed task manager on the Mac. The "This Evening" and "Upcoming" views let me plan my week in layers — big goals up top, daily tasks sorted underneath.
I drag items between days during my Sunday planning session. The keyboard shortcuts make reorganizing tasks absurdly fast. No subscription, no bloat, just a clean app that stays out of the way.
Price: $49.99 (one-time)
3. Raycast — The Glue Between Everything
Raycast is the launcher that replaces Spotlight, and honestly, it replaces about 5 other apps too. I use it to quickly create calendar events, open project folders, search notes, and trigger shortcuts — all without leaving the keyboard.
For weekly planning specifically, I have a Raycast script that opens my planning note, calendar, and task manager side by side in one keystroke. That one shortcut eliminated 90% of the friction that kept me from actually planning.
Price: Free (Pro available at $8/mo)
4. TokenBar — Know What Your AI Week Will Cost
TokenBar sits in my menu bar and shows real-time token usage across every LLM API I'm hitting. Since I plan which AI-heavy tasks to tackle each week, glancing at TokenBar during planning lets me budget my API spend alongside my time.
Last month I caught a runaway agent that burned through $40 in tokens over a weekend — wouldn't have noticed without this. If you're using Claude, GPT, or any API-based model regularly, it pays for itself in a day.
Price: $5 (lifetime)
5. Obsidian — The Weekly Review That Compounds
Obsidian is where my actual weekly planning lives. I have a simple template: what I shipped last week, what I'm shipping this week, and what's blocking me. The backlinks mean each weekly note connects to project notes, meeting notes, and ideas automatically.
The daily notes plugin lets me review the week at a glance. Over months, these weekly reviews become an incredibly useful personal changelog. No other notes app makes this kind of compounding knowledge feel natural.
Price: Free for personal use
6. Monk Mode — Protect the Plan From Yourself
Monk Mode is the app that makes my weekly plan actually survive contact with reality. It blocks social media feeds at the content level — so I can still use Twitter or Reddit for work, but the infinite scroll feeds are gone.
I activate it Monday through Friday during work hours. The difference is staggering: without feeds pulling me away, my planned deep work blocks actually happen. It's the only blocker I've found that understands you need the platform, just not the feed.
Price: $15 (lifetime)
7. Numi — Quick Math for Sprint Planning
Numi is a calculator-notepad hybrid that lives in a small window on my desktop. During weekly planning I'm constantly doing rough math: "if this feature takes ~3 days and I have 2 meetings on Tuesday, that leaves..." Numi lets me type that out in plain English and get answers inline.
It sounds simple, but having quick math next to your planning notes removes one more reason to context-switch. I also use it for estimating API costs, invoice amounts, and sprint velocity.
Price: Free
The Actual Routine
Here's what my Sunday/Monday planning looks like in practice:
- Open everything — Raycast shortcut opens Obsidian, Fantastical, and Things 3 side by side
- Review last week — Scroll through daily notes in Obsidian, check what shipped
- Check the budget — Glance at TokenBar for API spend, review any cost surprises
- Block time — Drag deep work blocks into Fantastical, accounting for meetings
- Set tasks — Move this week's tasks into Things 3, assign days
- Activate focus — Turn on Monk Mode for the work week
- Quick math — Use Numi for any estimates or capacity planning
Total time: about 20 minutes. The ROI is the rest of the week actually going according to plan.
Why This Works
The common thread across all these apps: they're lightweight, they don't demand attention, and they each do one thing well. I've tried all-in-one planning tools (Notion, Linear, ClickUp) and they always end up becoming the project instead of supporting it.
Small, focused tools that compose well > one giant app that tries to be everything.
What's in your weekly planning stack? I'm always looking for new tools to try.
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