Why aren’t my Google Tasks syncing on iPhone?

What “synced” actually means for Google Tasks

Google Tasks is account-bound. Lists and tasks live with your Google account, then surface in the Tasks app, the Gmail side panel, and (for dated items) Google Calendar when that Tasks calendar is enabled.

If phone A and phone B use different Google accounts, they will never share a list. The same is true if you signed into Tasks with a work account and into Gmail with a personal one. Before you chase network settings, confirm the account name at the top of Tasks matches the account you expect in Gmail and Calendar.

Sync is also not instant in every surface. A new task on iPhone should appear elsewhere within a short refresh window. If Calendar still hides the Tasks calendar, dated tasks will look “missing” even when the Tasks list itself is fine. That is a surface setting, not a broken account.

A practical fix checklist on iPhone

Work top to bottom. Most stalls are account, connectivity, or a stale sign-in.

1. Confirm the Google account. Open Tasks and note which account is active. Open Gmail or Settings → Google Account on the other device and match the email exactly.
2. Check the network. Switch between Wi-Fi and cellular, or open any other Google app to prove the device can reach Google. Airplane Mode leftovers and captive Wi-Fi portals cause quiet sync failures.
3. Force a refresh. Pull to refresh in the Tasks list. Close the app from the app switcher, reopen it, and wait a few seconds. On another device, refresh Tasks or Gmail the same way.
4. Sign out and back in. In the Google Tasks app, remove the account or sign out, then sign in again. Stale OAuth tokens are a common reason edits stop leaving the device.
5. Review Google Account permissions. On the web, open Google Account permissions and confirm Tasks (or any third-party Tasks client you use) still has access. If you revoked it earlier, re-authorize.
6. Rule out the wrong list. Tasks can land in a different list than the one you are viewing. Open each list once, or use search if your client supports it, before assuming sync failed.
7. Check Calendar separately. In Google Calendar, enable the Tasks calendar for that account if you expected due dates on the day grid. Tasks without dates will not appear there.

If nothing moves after a fresh sign-in on a working network, try creating a one-word test task on the web at tasks.google.com, then watch for it on iPhone. That tells you whether the problem is phone-local or account-wide.

Why sync feels worse offline

Stock Google Tasks on iPhone is limited without a connection. You can open what was already cached, but create and edit behavior is thin, and there is little clarity about what is waiting to upload. People often keep typing on a train, assume everything saved, then discover the change never left the phone.

That is different from a true offline-first client: local edits stay on the device, queue when the radio drops, and push when you are back online. If your day includes tunnels, flights, or flaky office Wi-Fi, that queue matters more than another list color.

When a better Google Tasks client helps

Keep Google as the source of truth if Gmail and Calendar are your home base. What you want on iPhone is clearer sync behavior on top of that same Tasks API.

ETasks is a native Google Tasks app for iPhone, iPad, and Apple Watch. It syncs lists, tasks, subtasks, titles, notes, due dates, completion, and list order two ways with Google. It is offline-first: you can create, edit, and complete tasks with no signal, then let changes queue and sync when you reconnect. If something looks stuck, use Sync Now in the account area, confirm you are online, and check that Google still grants Tasks access.

ETasks only requests the Google Tasks scope, the same class of access Google’s own Tasks app uses. It does not need Gmail or Calendar scopes for your tasks to keep showing up in those Google surfaces. Prefer local-only? Skip Google sign-in and use the app on-device; sync starts whenever you connect an account later.

For a fuller product picture (alarms, widgets, sharing, Watch), see the FAQ or compare page. For sync stalls that still will not clear, support is the right next step.

Quick answers

Why aren’t my Google Tasks syncing on iPhone? Usually a mismatched Google account, no network, a stale sign-in, or revoked app permissions. Confirm the account, refresh, then sign out and back in.

Do Google Tasks sync across iPhone, web, and Android? Yes, when every client is on the same Google account. Different accounts never share lists.

Will due dates show in Google Calendar after sync? Dated tasks can, if the Tasks calendar is enabled for that account. Date-less tasks stay in Tasks only.

Does stock Google Tasks work well offline? Support is limited. An offline-first client that queues edits is more reliable when connectivity drops.

Can ETasks fix a broken Google account? No app can repair a revoked or wrong account. ETasks can make day-to-day sync clearer with a queue and Sync Now once the correct account is authorized.