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Troubleshooting Sync Issues

When data is missing on one device, and why it is rarely sync

3 min readUpdated Sep 3, 2026

Start here, because it changes what is worth trying: ClapDiet does not sync

between devices. There is no second copy of your data on your phone to be

reconciled with the one on your account. Every screen reads your account when

you open it, and every entry is written to your account when you save it.

The one thing that waits is on the web: food and water you log in the web app

while offline are saved in that browser and sync once you reconnect. Until then

they show as waiting to sync, and only that browser has them.

Apart from those, there is nothing that can be stuck, half-finished or out of

order. When

something is missing on one device, it is almost always one of three things,

and none of them is sync.

How this works

The three causes, in order of likelihood

1. A different account

By a wide margin the most common. It is easy to end up with two accounts

without noticing — signing up with an email address on one device and with

Google or Apple on another creates two separate accounts that look identical

from the outside.

Check the email address shown under Settings > Profile on the web, or

Settings > Account in the app, on each device. If they differ, that is

your answer: sign out on the device showing less, and sign back in with the

other address.

2. The screen has not reloaded

Screens hold what they loaded for a few minutes so that moving back and forth

does not re-fetch constantly. If you changed something elsewhere in the last

few minutes, pull down to refresh — or leave the screen and come back.

3. You are looking at a different day

Daily totals are worked out in your account's timezone. If that timezone is

wrong, entries can appear on the day either side of the one you expect. Check it

under your profile.

When nothing loads at all

That is a connection problem rather than a data problem. The mobile app cannot

detect that you are offline, so it shows an error or an empty screen instead of

saying so — see Offline mode, which also

explains what the web app keeps while you are offline, and why anything you

logged in the mobile app without a connection is not waiting to be uploaded.

New device, nothing there

There is no initial sync to wait through. Sign in and your data is there

immediately. If it is not, go back to cause 1 above — it is the account, not the

transfer.

The same entry twice

If you logged something on two devices within a minute of each other, you have

two entries rather than one merged one. Delete the one you do not want. You will

never be asked to resolve a conflict, because there is no second version to

conflict with.

Things that will not help

Worth naming, because they are the reflexes:

  • Reinstalling. There is no local database to rebuild.
  • Clearing the app's data. Same reason. It signs you out and changes
  • nothing else.

  • Waiting, unless the entry is food or water logged offline in the web app:
  • only those are queued, and they arrive once that browser is back online.

    Nothing else is queued, so nothing else arrives later.

    Signing out and back in is the one classic move that does help, and only

    because it resolves cause 1.

    Still missing

    Email support@clapdiet.com rather than re-entering it, and say what is missing,

    roughly when you entered it, and on which device. We would rather find out where

    it went.


    Related Articles:
  • Syncing Across Devices
  • Common Issues
  • Tagssyncproblemsnot syncingmissingdata
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