Due

Most reminder apps are polite. They chime once, drop a notification into the pile, and consider their job done. Due, from the small studio Due Apps LLP, is built on the opposite premise: a reminder that can be ignored is a reminder that has failed. It has been prosecuting that argument since 2010, and the app’s longevity is itself instructive — in a category littered with abandoned to-do apps and venture-funded task managers that pivoted into oblivion, Due has quietly iterated across iPhone, iPad, Apple Watch, Mac, and now Apple Vision Pro.

The pitch is narrow by design. Due is not a project manager. There are no boards, no tags, no collaboration features, no AI assistant summarizing your day. It handles exactly two things: reminders that re-alert relentlessly until you act on them, and countdown timers precise to the second. That’s it. With every productivity app sprinting toward feature parity with Notion, this restraint reads as either stubbornness or clarity, depending on your temperament. We’d call it clarity.

The market positioning is equally deliberate. Apple’s own Reminders app has grown dramatically more capable and costs nothing, which means Due survives on a single differentiator: persistence. It also swims against the industry current on business model — a $7.99 up-front purchase, no account, no mandatory cloud, full offline operation, with an optional annual Upgrade Pass gating new features (existing ones keep working if you lapse). The App Store crowd has rendered its verdict: 4.7 out of 5 from 2,781 ratings. That’s a strong signal for a paid utility.

• Persistent Auto-Snooze: The headline act. Reminders re-alert at your chosen interval — every minute, every hour, anything between — until you complete, reschedule, or explicitly dismiss them. Ignoring Due is a decision you have to keep making.
• Natural Language Input: Type “call Jane at 9am tomorrow” and the app parses the task, date, and time in one pass. Combined with customizable preset buttons for common times and postpone intervals, capture takes seconds.
• Precision Timers & Flexible Recurrence: Countdown timers accurate to the second for cooking and laundry duty, plus recurring schedules that scale from “daily” to genuinely gnarly monthly patterns.
• No-Account Architecture: Fully offline by default, with optional iCloud or Dropbox sync. No sign-up, no server dependency, no data leaving your device unless you ask.

The Core Loop: Friction as a Feature

Every reminder app lives or dies on a two-part loop: how fast you can capture a task, and whether the app actually gets you to do it. Due is strong at both, and the second part is where it outpaces much of the competition.

Capture first. The natural language parser is designed to be fast and forgiving, but the real speed comes from the preset time buttons — a grid of your most common times and postpone intervals, fully customizable. Setting a reminder becomes a two-tap reflex: type the task, hit “9:00 AM.” Postponing is even faster: “+1 hour” is a single tap from the notification itself. This matters more than it sounds. Onboarding friction in task capture is the silent killer of productivity systems; if entering a task takes longer than the mental note, you stop entering tasks. Due is built to get you under that threshold.

Then comes the auto-snooze, and this is where you have to understand what Due is actually selling. A normal notification is a request. Due’s notifications are a standing obligation. Set a reminder to take medication with a one-minute re-alert interval, and your phone will buzz sixty times an hour until you comply. That sounds obnoxious — and for the wrong user, it absolutely is. But for anyone whose relationship with notifications has decayed into reflexive swiping, the persistence rewires the interaction. You can’t triage Due into oblivion. You either do the thing, consciously push it to a specific later time, or make a deliberate choice to kill it. The app converts passive forgetting into active deciding, and that’s the entire product.

Where the Model Strains

The discipline cuts both ways. Due’s spartan feature set means it cannot be your only system. There are no subtasks, no notes fields of any depth, no attachments, no shared lists for household coordination. Power users will likely end up running Due alongside Reminders or Things — Due for the time-critical, everything else elsewhere. The app is honest about this positioning, but the $7.99-plus-Upgrade-Pass ask starts to feel steep for a companion app rather than a replacement.

And about that Upgrade Pass: the model is fairer than a subscription — features you’ve paid for never stop working — but the optics are muddy. Buyers see a paid app, then a separate Mac purchase, then an annual pass for new features, and the cumulative impression is nickel-and-diming even when the math is reasonable. Due Apps LLP would do well to communicate this more aggressively at point of sale, because App Store reviews suggest it’s the most common complaint against an otherwise well-liked product.

The recurring-schedule engine deserves specific praise. Most apps handle “every Tuesday” and fall apart at “the last weekday of every month.” Due handles complex patterns without ceremony, and because reminders auto-snooze, a recurring task you miss doesn’t silently evaporate into yesterday — it follows you into today. That single interaction detail fixes the most demoralizing failure mode of recurring to-dos.

Sync, via iCloud or Dropbox, is optional by design. No account creation, no email harvesting, no server-side dependency that dies when the developer does. Shipping a productivity app with zero data collection requirements is a quiet act of defiance, and it should be table stakes.

Due’s design is functional, dense, and unfashionable in the best way. The main list is a chronological stack of what’s overdue and what’s coming; color is used sparingly to flag urgency. It has kept pace with Apple’s platform conventions — modern typography, proper Dark Mode, widgets, watch complications — without chasing trends. Nobody will screenshot this app for a design showcase, and nobody needs to.

As a lightweight utility, Due is built for speed: quick launch, a parser designed to keep up with fast typing, and timers accurate to the second. Full VoiceOver support and broad localization signal an attention to craft that most indie utilities skip. Notification reliability — the one thing this app cannot afford to fumble — is clearly the design’s central constraint, and the architecture is organized around it, no small feat given how aggressively iOS manages background activity.

On iPhone, Due is at home. The entire interaction model — capture fast, get nagged, postpone from the notification — is built for a device that’s always on your person. The notification actions are the app’s real interface; you can go days acting on reminders without ever opening it, which is exactly right. The Apple Watch app extends this to the wrist, where a persistent tap is even harder to ignore, and the iPad version is a competent scale-up rather than a rethink.

The catch: the Mac app is a separate purchase, which stings, and the Vision Pro version is more a statement of platform commitment than something anyone asked for. Android users are out of luck entirely — Due is Apple-exclusive, full stop — so mixed-ecosystem households should look elsewhere.

Due is a fifteen-year-old app with few true rivals, because everyone else keeps trying to build a bigger system while Due keeps perfecting a smaller one. The auto-snooze mechanic sounds like a gimmick and turns out to be the whole ballgame: it’s a notification design built to survive contact with human avoidance behavior. The pricing structure needs a clearer story, and the app’s deliberate narrowness means it complements rather than replaces a full task manager. Judged on its own terms — make forgetting impossible — Due succeeds. We recommend it to the right audience: the chronically forgetful on Apple devices, and almost nobody else.