To help troubleshoot some bugs, the Day One Team may need you to submit crash logs from your iOS device.
iOS instructions (for iOS 11 or later)
Navigate to your device Settings > Privacy > Analytics & Improvements > Analytics Data.
Scroll through this list to find Day One events. See screen shot below. The list is alphabetical.
Tap one of these events.
Tap the share icon at the top right.
Email it to support@dayoneapp.com with “Attn: [customer support rep]” in the subject line.


Mac Instructions
Follow these steps to get the crash logs:
Connect your iOS device to your Mac using your iOS connector cable.
Sync your device.
Go to the Mac Finder, then choose the “Go” menu’s “Go to Folder” option. (The keyboard shortcut is Command-Shift-G.)
Copy-and-paste this location into the “Go to Folder” field: ~/Library/Logs/CrashReporter/MobileDevice
Open the folder corresponding to your device.
Select the crash logs for Day One, then CMD-Click the items to pull up the contextual menu.
Select “Compress…” to create a .zip folder.
Email the .zip folder to support@dayoneapp.com.
PC Instructions
Follow these steps to get the crash logs:
Connect your iOS device to your PC using your iOS connector cable.
Sync your device.
The crash log locations vary based on the version of Windows you’re running:
- Windows XP: C:Documents and Settings<USERNAME>Application DataApple computerLogsCrashReporter<DEVICE NAME>
- Windows Vista & Windows 7: Go to C:Users<USERNAME> and manually add “AppData” to the folder path: C:Users<USERNAME>AppData. The complete path is: C:Users<USERNAME>AppDataRoamingApple computerLogsCrashReporter/MobileDevice/<DEVICE_NAME>
- Windows 8: Make sure that you have hidden files and folders enabled in the Folder Options of the Windows Control Panel, then go to: C:Documents and SettingsApplication DataApple computerLogsCrashReporter<your iPhone’s name>
4. Locate the Day One crash logs. The filenames start with “DayOne” and contain a date stamp.
5. Zip all the files starting with “DayOne.”
6. Email the .zip folder to support@dayoneapp.com.