Support
Contact
For help, bug reports or suggestions, write to [email protected].
Nivela is built by one person: I reply as soon as I can, usually within a few working days. To report a problem, please include your device model, iOS version and app version, plus a description of what you were doing.
Never send your health data by e-mail. I don't need your glucose readings to diagnose a problem.
Frequently asked questions
Where is my data stored?
On your device, in an encrypted database. There is no account, no server and no developer database: your data is never sent to me and I cannot read it. Details are in the privacy policy.
How do I make a backup?
In Settings you'll find the local backup (encrypted on device) and, if you turn it on, a backup to your own personal iCloud Drive — also encrypted, with a key held in your iCloud Keychain.
How do I export data for my doctor?
From Settings you can export to CSV or generate a PDF summary. You share the file yourself, with whoever you choose: the app never sends it anywhere.
I changed device: how do I get my history back?
If you had iCloud backup enabled, restore from iCloud on the new device (same Apple ID, with iCloud Keychain on). Alternatively, import a backup file you exported earlier.
I forgot the passphrase of an exported backup
If you encrypted an export file with a passphrase and forget it, that file is not recoverable: the passphrase is stored nowhere and there is no way around it. That is the cost of real encryption.
How do I lock the app?
In Settings you can enable the lock with a passcode or biometrics (Face ID / Touch ID).
Is Apple Health sync required?
No. It is optional and stays off until you enable it; the app works fully without it. If enabled, it only reads and writes blood glucose values.
How do I delete all my data?
You can delete individual readings in the app, or uninstall Nivela: the data lives only on your device and is removed with the app. Note that any backups in your own iCloud Drive and any files you exported and shared remain wherever you put them.
Is Nivela a medical device?
No. It is an informational self-monitoring tool: it does not replace the diagnosis, treatment or advice of a physician. Always consult your doctor for any decision about your health.
Privacy
For questions about the processing of personal data, write to [email protected]. The full text is in the privacy policy.