For years, Apple’s Calendar app has been the default choice for iPhone users, not because it was particularly great, but because it was there.
It did the basics—scheduled events, synced across devices, sent notifications—but anyone looking for serious productivity tools quickly realized they needed a third-party app like Fantastical or Google Calendar.
Apple just made a bold move to change that by integrating Reminders into Calendar in iOS 18. On the surface, it sounds like a game-changer.
In reality, it might not be enough to lure back power users who’ve already moved on. Allow me to explain.
The Feature Apple Users Have Been Begging For
If you’re like me, your day isn’t just meetings and appointments—it’s also packed with tasks, deadlines, and reminders.
Until now, Apple forced users to toggle between Calendar and Reminders to get a full picture of their day.
With iOS 18, scheduled reminders now appear inside the Calendar app, giving users a unified view of everything they need to do. This long-overdue feature immediately makes Apple’s ecosystem feel more cohesive.
I was initially excited to try it. Like many iPhone users, I’ve built my workflow around Apple’s built-in apps, partly for convenience and partly because I prefer not to clutter my phone with unnecessary downloads.
The idea of having my to-dos and events in one place made perfect sense. But after a few days of use, I realized Apple’s solution isn’t as seamless as it seems.
Also: Your iPhone’s Reminders app can now show reminders like a Kanban board—here’s how it works
The Frustrating Limitation That Could Ruin It
Here’s the problem: Apple forces you to show all scheduled Reminders in Calendar—or none at all.
There’s no option to filter specific lists, which means everything from your grocery shopping list to that vague “someday” task list gets dumped into your daily schedule.
Suddenly, my Calendar wasn’t just a clean overview of meetings and deadlines—it was a cluttered mess of half-baked to-dos I didn’t need to see alongside work appointments.
If you organize tasks into different lists—one for work, one for home, and one for errands—this is an instant dealbreaker.
A simple filtering option would fix this, but Apple hasn’t included it (yet). So, instead of helping me feel more organized, this new feature actually made my schedule more chaotic.
Also: 10 brilliant Apple Reminders features that I use every day to get my life together and reduce stress
Does This Mean You Can Finally Ditch Third-Party Apps?
This update might be enough to prevent casual users who rely on Calendar and Reminders for basic scheduling from seeking alternatives.
However, Apple’s integration still falls short for anyone who needs serious task management.
Calendar apps like Fantastical and Google Calendar let you view tasks and events in one place. They also offer natural language input, better customization, and cross-platform syncing that Apple’s closed system simply can’t match.
Apple has a habit of rolling out new features that feel half-finished, only to refine them years later.
So, while this integration is a step in the right direction, it still lacks the polish needed to make Calendar a true all-in-one planning tool.
If Apple really wants to compete with third-party apps, it needs to offer more flexibility. Until then, don’t delete your favorite calendar app just yet.