Why an alert might not fire
The handful of iOS limits that can delay an alert — and how the backstop covers the gaps.
Everyday Cue schedules your alerts carefully, but a few things outside the app — all part of how iOS manages battery and attention — can hold one back. Here's the short list, roughly in order of how often it's the cause.
Quick diagnostic — start here
Work through these in order. Most missed alerts trace back to the first two or three checks.
Check 1: Did notification permission get turned off?
- Yes (no alerts of any kind from Everyday Cue) → go to iOS Settings › Notifications › Everyday Cue and turn on Allow Notifications.
- No → continue to Check 2.
Check 2: Was a Focus or Do Not Disturb mode active?
- Yes → Focus silenced or delayed the alert. Enable the Critical Alert option on that reminder to break through Focus in the future (see Manage notifications).
- No → continue to Check 3.
Check 3: Is Low Power Mode on?
- Yes → Low Power Mode throttles background work. iOS may bunch up or delay notifications until it's off. Disable it in iOS Settings › Battery, or just open Everyday Cue to force an immediate reschedule.
- No → continue to Check 4.
Check 4: Is Background App Refresh disabled?
- Yes → iOS can't run Everyday Cue's scheduling cycles in the background. Go to iOS Settings › General › Background App Refresh and enable it for Everyday Cue.
- No → continue to Check 5.
Check 5: Do you have many reminders with multiple alert offsets?
- Yes (more than a few dozen upcoming alerts) → Everyday Cue can only hold 60 alerts in the iOS queue at once. Near-term alerts get priority; far-future ones wait. Check the Dashboard Alerts tab to see what's queued and what isn't.
- No → continue to Check 6.
Check 6: Is Notification Summary turned on for Everyday Cue?
- Yes → iOS is batching your alerts and delivering them at a scheduled digest time instead of immediately. Go to iOS Settings › Notifications › Scheduled Summary and remove Everyday Cue, or mark reminders as Critical to exempt them.
- No → continue to Check 7.
Check 7: Has Everyday Cue been closed for a long time?
- Yes → iOS may not have run a scheduling cycle recently. Open Everyday Cue — it reschedules everything immediately. If dormancy is an ongoing concern, enable the calendar backstop.
- No → check Manage notifications for advanced settings, or contact support.
1. Notification permission is off
Symptom: No alerts arrive at all — not just one specific reminder.
Cause: iOS requires explicit permission to deliver notifications. Permission can be revoked from iOS Settings at any time, silently disabling all alerts.
Fix: Go to iOS Settings › Notifications › Everyday Cue and confirm Allow Notifications is on. You can also check from inside Everyday Cue at Settings › Permissions.
Example: You install a new iOS update and the system resets notification preferences. Everything was working before; now nothing comes through.
2. A Focus or Do Not Disturb is on
Symptom: An alert you expected never arrived, or arrived much later.
Cause: Focus modes — including Do Not Disturb, Sleep, Work, and Personal — can silence or delay notifications. iOS may hold the alert until the Focus ends, or drop it entirely depending on your Focus settings.
Fix: For reminders that genuinely can't wait, open the reminder, tap Edit, and enable Critical Alert. Critical alerts use an iOS system entitlement that bypasses all Focus modes and Silent mode. Use this sparingly — it's intended for deadlines where missing the alert would cause real harm.
Example: Your phone is in Sleep Focus overnight. A bill-due alert scheduled for 9 AM fires silently into Notification Center instead of waking you. With Critical Alert enabled, it breaks through.
3. Low Power Mode
Symptom: Alerts arrive late or in batches rather than on time.
Cause: Low Power Mode tells iOS to throttle background processing across the system. Everyday Cue's scheduling cycles may be delayed or skipped, causing alerts to bunch up rather than fire precisely.
Fix: Disable Low Power Mode in iOS Settings › Battery. If you regularly use Low Power Mode, consider enabling the calendar backstop — it relies on the iOS Calendar system rather than Everyday Cue's background cycles, so it isn't affected in the same way.
Example: You plug your phone in at night after Low Power Mode had been on all day. Several alerts arrive at once as iOS catches up.
4. Background App Refresh is disabled
Symptom: Alerts stop firing reliably, especially after longer gaps between opening the app.
Cause: Background App Refresh lets iOS wake Everyday Cue periodically to regenerate and reschedule alerts. Without it, the scheduling queue can run dry — particularly for alerts scheduled far in advance.
Fix: Go to iOS Settings › General › Background App Refresh and make sure it's enabled for Everyday Cue. If system-wide Background App Refresh is off, it takes priority over per-app settings.
Example: You disabled Background App Refresh to save battery. Alerts worked fine for a week (the 60-alert queue covered the near-term window), then stopped as that window emptied.
5. The 64-alert cap
Symptom: Near-term alerts fire correctly, but alerts for reminders further in the future don't arrive on time.
Cause: iOS allows each app a maximum of 64 pending notifications at once. Everyday Cue submits up to 60, leaving a small margin below iOS's limit for in-flight scheduling and the overflow summary. If you have many reminders with multiple alert offsets, the queue fills with near-term alerts and far-future ones have to wait for a reschedule cycle to move them into position.
Fix: Open the Dashboard and tap the Alerts tab. It shows every scheduled alert — including those beyond the 60-alert cap that aren't yet in the iOS queue. If a specific alert isn't listed, check whether the reminder is paused or archived. Opening Everyday Cue periodically (or enabling Background App Refresh) keeps the queue rolling forward so far-future alerts eventually land on time.
Example: You have 30 reminders, each with 3 alert offsets: 7 days before, 3 days before, and the day of. That's 90 potential alerts at once — more than the cap. Everyday Cue prioritizes the nearest ones, so the 7-day-out alert for a reminder scheduled two months away may not be in the iOS queue yet.
The backstop for long quiet stretches
The near-term queue handles most situations well. But if Everyday Cue hasn't run in a long time — weeks, not days — iOS may deprioritize its background cycles, and even the 60-alert queue can go stale.
That's exactly what the calendar backstop is designed for. When enabled, Everyday Cue mirrors your reminders into a private, on-device calendar. The iOS Calendar system then fires alerts independently — even if Everyday Cue hasn't run in weeks. The mirrored calendar is never visible in other calendar apps, and the data stays entirely on your device.
The backstop is opt-in. Enable it in Settings › Calendar Backstop.
Frequently asked questions
Does the alert fire if my phone is off or in airplane mode?
Airplane mode: yes. Everyday Cue's alerts are scheduled on-device, so they fire normally in airplane mode — no network or Bluetooth needed. Phone powered off: no — nothing fires while the device is off, but iOS delivers any alerts that came due during that time once you power it back on (it may drop very old ones rather than deliver a stale alert).
Will alerts stop if I haven't opened Everyday Cue in weeks?
Eventually, yes. iOS may deprioritize scheduling cycles for apps that haven't run recently. Opening Everyday Cue immediately reschedules everything. For extended periods of inactivity, the calendar backstop covers this gap — it uses the iOS Calendar system rather than Everyday Cue's own cycles, so it stays active during long dormancy.
My alert fired but I didn't hear it. What happened?
Check three things: (1) the notification banner style in iOS Settings › Notifications › Everyday Cue — it may be set to None or Banners instead of Alerts; (2) your Focus mode sound settings — some Focus configurations allow the banner but silence the sound; (3) whether the notification was sent to Scheduled Summary rather than immediate delivery. If you need to be sure you'll hear a specific reminder, enable Critical Alert on it — Critical alerts produce sound regardless of Focus or Silent mode.
How do I know which alerts are coming up?
Open the Dashboard and tap the Alerts tab. It shows every scheduled alert, including ones beyond the 60-alert limit that aren't yet in the iOS queue. Check it any time you're unsure what's scheduled.
Can I get an alert to break through Do Not Disturb for a truly critical deadline?
Yes. Open the reminder, tap Edit, and enable Critical Alert. This uses an iOS system entitlement that bypasses Focus modes and Silent mode entirely. Use it sparingly — it's designed for deadlines that genuinely can't be missed.
Does Everyday Cue need an internet connection to fire alerts?
No. Alert scheduling is entirely on-device. Everyday Cue doesn't need an internet connection, an account, or access to Everyday Cue servers to fire a notification. iCloud sync (if enabled) requires connectivity, but that's separate from notification delivery.