A daily rank tracker answers a question most sites are not asking. Positions wobble on their own, from testing, from personalisation, from the mix of results changing around a page that has not moved at all. Check every day and you will see all of that; check monthly and you will see whether the page is going up or down. Which of those you need depends entirely on what you would do differently tomorrow if the number changed today.
What daily checking is genuinely for
There are three cases where the extra frequency pays. You have just published or heavily changed a page and want to see when it settles. You are in a period of volatility and need to know whether your pages moved with it or against it. Or you are being paid by somebody who wants to see the line, in which case the frequency is a reporting requirement rather than a working one.
What daily checking mostly gives you
Outside those cases it gives you movement you should not act on. A page that reads sixth on Tuesday and ninth on Wednesday has almost never changed; the result set around it has. The practical harm is not the cost, it is that a daily line invites somebody to explain every dip, and the explanations become work that changes nothing about the page.
Weekly, with the date written down, is the usual right answer
For a small site working a few dozen queries, one reading a week, taken from the same source on the same day, gives you every trend you can act on and none of the noise you cannot. What matters far more than frequency is that the readings are comparable: same source, same device, same location, recorded against the keyword and the page rather than kept in somebody's head.
Keep the series, whatever the frequency
Daily and weekly both fail the same way, which is that the numbers live in a tool for ninety days and then are gone, or live in a spreadsheet that gets rebuilt. The value is in the series: this query, this page, these readings, in order. That is the part worth keeping deliberately, and it is what Longtailo Pro holds.
Questions people ask about daily rank tracker
Is daily rank tracking worth paying for?
Only if you would act on a day's movement. Most sites would not, and a weekly reading taken consistently tells them the same story with less noise in it.
Why does my position change every day without me doing anything?
Because the results around you change, and because what is shown varies by person, place and device. Daily variation of a place or two is normal and usually reverses.
Does Search Console give a daily position?
It gives an average position per day, but it is an average over the impressions that day rather than a single check, so it behaves differently from a tracker's reading. Compare like with like.
What does Longtailo do with the readings?
It keeps them: the query, the page it is aimed at, the date and the position you entered, with the history visible, so the trend is a record rather than a memory.