One scan. An answer for every person at your table.
Most allergy apps hold one profile. A household is not one person. Kerah checks a product against every set of allergies in your home at once, and tells you which person each finding belongs to.
Per-person verdicts
The same biscuit can be fine for you and blocked for your daughter. Kerah shows both, named, instead of one combined answer that helps nobody.
Fails closed, always
If an ingredient cannot be resolved, the answer is a warning — never a clear. An honest "we could not verify this" is more useful than a confident answer that might be wrong.
Warn or block, your choice
Warn mode shows the risk and lets you decide. Block mode removes unsafe items from plans, swaps and search entirely. For severe allergies, block.
Precautionary labelling included
"May contain" and shared-line warnings are surfaced, not silently dropped — they are the ones that matter most for a severe allergy.
How it works
- 1
Add each person’s allergies once, in their own profile.
- 2
Scan a barcode or photograph the ingredients label.
- 3
See who in your household is affected, by which ingredient, and decide.
Common questions
- Can I set different allergies for different family members?
- Yes — that is the point of the app. Every profile carries its own allergies and dietary rules, and one scan is evaluated against all of them at once.
- What does Kerah do when it cannot read an ingredient?
- It warns. The scanner is deliberately fail-closed: an unresolved ingredient never produces a "safe" result. You are told what could not be read and asked to check the label.
- Is this a substitute for medical advice?
- No. Kerah is a wellness and organisation tool, not a medical service, and it does not diagnose or treat. For diagnosis, testing or an emergency plan, speak to a qualified clinician — and always read the physical label before eating.
- Does it handle children’s school rules too?
- Yes. A child profile can carry school food rules — nut-free, no sesame, and so on — which are applied to lunchbox planning alongside their allergies.
Start with one person, free
Kerah is free to download and free for one person. The Family plan opens it to everyone at home.