iPhone tower · floor

How to block a number on Android, and the three differences

The instruction for how to block a number on Android is four taps, and it is below. The reason this floor is longer than four taps is that the same job on the two big phone systems produces different results — and each company documents its own behaviour in its own help pages, which is where the comparison below comes from.

Note where all three live: inside the Phone app, behind a More menu, rather than in the system settings. On the other platform the equivalent controls sit in Settings, so the habit does not carry across.

That single sentence is worth the visit on its own. If the calls bothering you show a number, this setting does not touch them: it acts on callers who withhold theirs. Google states the limit plainly, and the setting’s name does not.

Those three are not opinions and they are not benchmarks. Each is a line from the manufacturer’s own help page, and each has a practical consequence. If somebody blocked needs to be able to leave you a message, Android with visual voicemail on will not let them. If you might later want a record that a blocked number tried to call, Google says Android’s call history will not have it — and Apple does not publish an equivalent statement, which is a gap rather than a reassurance. And if what you want is quiet from unfamiliar numbers rather than from withheld ones, the setting that does that is the one on the other platform.

Two version notes Google puts at the top, not the bottom. “Some of these steps only work on Android 6.0 and up.” And the fake call detection feature has a longer list of conditions: Android 12 or higher, the apps Phone by Google, Contacts and Google Messages all installed, and RCS turned on in Google Messages. Android is not one phone, and a feature described in a guide may simply not exist on the handset in your hand — which is a reason to check the version before concluding something is broken.

There is one more thing worth knowing about the button you actually press, because it is doing two jobs at once. Google labels it Block / report spam — blocking is for you, reporting is for everybody. The Messages side documents what a report contains, and the detail is reassuring in a specific way: for a message sent with RCS, the report includes an identifying RCS Message ID, and for a group conversation an RCS Group ID, but “the content of the message isn’t shared with Google”.

That is a fair description of the trade, and it is the same shape as on the other platform: blocking changes what reaches you and nothing else, while reporting is the part that can act on a pattern rather than on one number. Neither is a substitute for the other.

The floors below take it three ways: the blocking routes themselves, what the settings do and do not catch, and the same problems on the other system.

What this tower will not do

It will not tell you the two platforms do the same thing differently only in the menus. On voicemail, on call history and on what “unknown” means, the outcomes differ — and both companies say so in writing.

It will not describe one Android. Google states version requirements at the top of its own page, and a feature can simply be absent from the handset you are holding.

And it will not recommend a call-blocking app. Every route on this floor is one Google already documents in the app you already have. What holds instead is simple: the three blocking routes, the note that a blocked number’s calls are declined automatically, the visual-voicemail behaviour, the meaning of the Unknown setting, the missing call history and the version requirements are quoted from Google’s Phone app and Messages help; the iPhone comparisons are quoted from Apple. Sources below.