Hi everyone, I’m experiencing a strange issue with image display in my app. Images are uploaded through a form, saved in a Google Drive folder, and the relative path is correctly written to the Google Sheet. The image shows up initially, but after a sync, it disappears from the app view. What’s od…

Is the folder that the images are stored in owned by the same person who owns the app?

Hi jako1345, Based on the symptoms you described, where images disappear after a sync, this often points to a File System Permission or Ownership conflict on the server side (especially if you are using a custom backend or a specific cloud storage integration). When a file is uploaded, the system …

Adding to the point of File Ownership: The ideal practice is to ensure that images are uploaded using the same system user that runs the application environment. Many developers create a separate ‘upload user’ for security reasons, but this often leads to permission conflicts after syncing. If the…

Thanks for the reply. Yes all owned by the app owner. The interesting thing is it will show back up after 3-4 refreshes.

One other thing to add it looks like 9 times out of ten it shows fine on mobile app but not on desktop

Have you tried clearing your cache?

Hi jako1345, Thanks for clarifying that! If it works fine on mobile but fails on desktop—and eventually appears after a few refreshes—it means the file is definitely there, but we are likely dealing with an AppSheet Image Proxy or a Sync Latency issue rather than a storage permission problem. Sinc…

One more thing to consider: we might be hitting Google Drive’s API Rate Limits or IP-based quotas. Google Drive isn’t a dedicated CDN; it has strict limits on how many times a file can be “fetched” via an external proxy in a short window. When you sync, the data hits your Google Sheet almost instan…

Images disappearing after sync

AppSheet AppSheet Q&A

Steve January 21, 2026, 2:37pm 5

I’m gonna guess either a bot, or someone who doesn’t use AppSheet. Either way, this post is irrelevant to AppSheet.

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Images disappearing after sync

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