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No. Renaly is a nutrition and lab tracking tool. It doesn’t diagnose, treat, cure, monitor or prevent any disease, and it isn’t a substitute for professional medical advice.

Never change your diet, fluid intake, medication or dialysis routine because of something Renaly showed you. Talk to your nephrologist or renal dietitian first.

The defaults come from published kidney guidelines — KDIGO, KDOQI, the UK Kidney Association and the AUA — plus common renal dietitian practice. Renaly adjusts them for your CKD stage, dialysis type and weight.

They are starting points, not prescriptions. If your care team gave you different numbers, go to You → Limits, switch on “limits from my care team” and enter theirs. Renaly then calculates every verdict against your numbers instead of the defaults.

Entering a lab result never changes a limit on its own. Nothing moves your targets except you.

Your diary, labs, medications, dialysis sessions and profile stay in the app’s private storage on your device. There’s no Renaly account and no server copy.

Four things do use the internet, and each is set out in the privacy policy: barcode lookups send only the barcode number to Open Food Facts; family sharing uploads a snapshot that is encrypted on your phone before it leaves; purchases go through Google Play; and optional usage analytics send app events that never contain health values, food names or lab results.

Yes. The 12,400-food database is stored on your phone, so search, portion sizes and verdicts all work with no connection — which matters in supermarket basements.

Barcode lookups for packaged products and the photo features need the internet.

Renaly is available worldwide on Google Play, in English, German, Spanish, French, Portuguese (Brazil), Japanese, Indonesian and Turkish.

One exception: cloud plate-photo logging isn’t offered in the EEA, the UK or Switzerland. Everything else works everywhere.

Not yet. Renaly is Android only at launch. If that changes it’ll be announced here first.

In the app under You → Subscription, which opens Google Play, or directly at play.google.com/store/account/subscriptions.

Cancelling stops the next charge and you keep Plus until the period you already paid for ends. It doesn’t delete your data — and deleting your data doesn’t cancel your subscription. Refunds are handled by Google under Play’s refund policy.

Add it as a custom food: search → Add a custom food, then enter whatever the label gives you. Leave a nutrient blank if the label doesn’t state it — Renaly will treat it as unknown rather than zero. It’ll be there next time you search.

If you cook the same thing often, combine the ingredients into a saved meal and log the whole plate in one tap.

It will sometimes — it’s estimating foods and portions from a picture. You can edit the quantity, swap the food, or remove any item before you save.

The nutrient figures never come from the photo. Once the item is right, the numbers behind it come from the food database, so correcting the item corrects everything downstream.

Android is aggressive about suspending apps. Check that notifications are allowed for Renaly, that Alarms & reminders is permitted in Android settings, and that battery optimisation is set to unrestricted for Renaly.

Please treat reminders as a convenience, not a safety net. Renaly is not a monitoring service and can’t guarantee a notification is delivered.