Category guide

A check-in is a publication, not a log entry

People describe checking in as keeping a record, which makes it sound private and reversible. It is neither by default. The word covers at least two different products, and the difference between them is decided by four questions that no interface ever asks out loud.

One word, at least two products

A check-in can mean a rating — the drink is the subject, the record is a judgement about it, and the value of the archive is that it tells you what to order next time. It can also mean a marker — the occasion is the subject, the drink is only a label, and the value of the archive is that it tells you where the year went.

Both are called checking in, and the interfaces look nearly identical: a photograph, a name, a button. The archives they produce answer different questions, and neither answers the other's.

This matters most when a product changes shape underneath the word. A rating archive that grows a map, or a marker archive that grows a score, has quietly become the other thing, and the counter on your profile now means something different than it did when you started filling it.

The four questions

None of them is visible from the button. Each has a consequence that is easy to state and hard to reverse after launch.

QuestionIf yesIf no
Is there a daily ceiling?Totals describe posting, and a heavy evening is under-represented on purposeTotals look like consumption and will be read that way
Is a drink category required?Alcohol-free occasions cannot be recorded at allEvery derived figure — streaks, totals, comparisons — stops being a measure of drinking
Was the audience chosen?Exposure is bounded by a list you built and can pruneAnyone with a link, an account or a search box is in it
Can the record be withdrawn?The artefact goes; its notifications and replies have already landedThe archive is permanent and the decision to post was final at the time

Four ways a check-in reaches further than you meant

Each is common, each is invisible from the composer, and each is worth checking once rather than discovering later.

  • A link that renders without an account — a preview card in a chat app is the usual first sign
  • A profile page that shows counts, cities or a friend list to someone who is not connected to you
  • Reactions and comments that are visible to everyone who can see the post, which is a wider set than your own connections
  • Photographs carrying location metadata, which travels with the file unless the app strips it before upload

Why no product is named here

It would be easy to write this page as a list of apps with their behaviours beside them, and it would be wrong, because we have not used most of them. Our editorial policy says no claim about another product is published without first-hand use and a date, and a description of someone else's export screen or privacy default is exactly such a claim.

So this page describes shapes. The four questions can be answered about any product in a few minutes by anyone holding it, including ones that did not exist when this was written — which is more durable than a table that goes stale the first time somebody ships a release.

What this page does not do

Named so the silence is not read as an answer.

  • Recommend a product, or rank the ones that exist. That requires first-hand testing with dates, and it is not done here.
  • Give guidance about alcohol consumption. Nothing on this page is health advice and none of these systems measures a dose.
  • Explain any one product's rules. Drink Buddy's own ceiling, catalogue and visibility model each have their own page.
  • Cover check-ins in the venue or travel sense, which share the word and almost nothing else.

Questions

What does checking in a drink mean?

It means publishing a small record of a drink — usually a photograph, a name and a time — to an audience. The common mental model is a private log, but in most products the act has readers, which is the part the word hides.

Is a check-in the same as tracking how much I drink?

No. A check-in count measures how often you published, not how much you consumed. In a product with a daily ceiling the two cannot even be close, and in one without a ceiling they are easy to confuse.

Can you check in something that is not alcohol?

That depends entirely on the product, and it is one of the four questions worth answering first. If the catalogue treats water and coffee as ordinary entries, the app still works on an evening you are not drinking.

Does deleting a check-in undo it?

It removes the record. It does not recall the notifications it sent, the replies it collected or anything anyone saved, so publication and withdrawal are not symmetric.