Most frequency advice lowballs it because it assumes the bottleneck is quality, that you can only make so many good posts before they start getting worse. Take that constraint away, which is exactly what a real content pipeline does, and the question changes completely. When quality is a solved constant, the number of good posts you can produce is no longer the limit. The only two limits left are how much a single account can post before the platform reads it as spam, and how many accounts you run. Everything below that ceiling is free reach you are leaving on the table.
So the per-account number is set by the platform's tolerance, not by your production capacity, and you push each account right up to the edge of what still looks human. Instagram: roughly three to five reels a day per account before the cadence starts to look mechanical, plus stories all day long, five to fifteen, since stories carry almost no spam risk. TikTok has by far the highest tolerance, comfortably five to ten a day per account and often more, so it is where you post the hardest. YouTube Shorts takes three to five a day happily and punishes gaps more than volume. X and Facebook tolerate very high raw counts but weight each post less, so post constantly there without expecting it to be where reach compounds.
Every one of those numbers assumes all-day, every-day, because with quality off the table, consistency and spacing become the whole game. Do not dump your daily count in one block, spread it across the day so the account reads as a person who lives on the app, not a scheduler that fires at noon. And never take a day off, because gaps reset the algorithm's confidence faster than volume ever builds it. A steady heavy drumbeat, spaced out and never interrupted, is what maxes reach when the content itself is a non-issue.
The real unlock is that the per-account ceiling barely matters, because frequency is a fleet-level lever. One account is capped by spam tolerance no matter how much content you have. The fleet is not: ten accounts each posting at their individual ceiling is fifty-plus posts a day, every one on an account that looks perfectly normal on its own. You scale total volume two ways at once, by pushing each account to its spam limit and by adding accounts, and the second lever has no ceiling at all. This is why the whole strategy is horizontal, more accounts, not more posts per account.
So the playbook when quality is constant: push every account to just under its spam ceiling and no further. Three to five a day on IG Reels and Shorts, five to ten-plus on TikTok, stories all day, spaced across the clock, never a day skipped. The instant a cadence starts looking mechanical on one account, you have found that account's ceiling, so stop there and open another account instead. Max each account to the edge of human, then multiply by the fleet. That is the entire equation once content is no longer the thing holding you back.