The question gets asked as though one of the two is more honest, and it is worth answering plainly, because the answer is no. A wheel and a name picker are two ways of drawing the same conclusion on screen. Neither of them decides anything.
Where the winner actually comes from
Every giveaway tool worth using picks first and animates second. The result is computed, then the wheel is told which slice to stop on — because the alternative, letting a physics simulation in a browser determine who gets a prize, would make the outcome depend on frame rate, on whether the tab was in the background, and on a random number generator you cannot inspect anyway.
So the spinning is a replay. That is not a scandal and it is not hidden; it is how a raffle drum works too, in the sense that the ticket that was going to come out was already in there. But it does mean an argument of the form "the wheel is more random" has nothing behind it. The randomness lives in the draw, and the draw is upstream of anything you can see.
What each one is actually good at
The wheel is legible. Someone who joined the stream forty seconds ago understands a wheel instantly, because they have seen one at a school fair, on a game show and in every prize draw ever televised. It shows the whole field at once, which makes "your name is on there" a visual fact rather than a claim, and the deceleration gives the room a few seconds to hold its breath in.
The picker — the vertical reel, the thing that scrolls names past a line — is worse at spectacle and better at scale. It does not care how many entrants there are. It shows the roster moving, lands on one, and reads clearly at any size, including on the phone of someone watching in portrait.
The number where the wheel stops working
This is the part that decides it in practice, and it has an actual value: sixty. Past about sixty names, a wheel is a ring of slivers with text too small to read, and the thing that made it good — everyone can see their own name on it — is gone. It looks like a wheel and functions as a decoration.
Kloot caps the wheel at sixty slices and, left on its default, switches to the reel above that automatically. Under the cap the wheel shows every entrant. Over it, if you insist on the wheel anyway, you are seeing a subset with the winner’s slice included — which is honest about what it can draw, and is exactly why the default flips rather than quietly rendering a wheel nobody can read.
What your viewers are really asking
When someone in chat says "this is rigged", they are not making a claim about the animation. They are saying they have no way to check. Adding a flashier spin does not answer them; it answers the people who already believed you, who were not the problem.
The answer that works is a receipt. The draw commits to a seed before entries close, publishes it afterwards, and lists the entrants as fingerprints rather than names — so anyone can recompute the same winner from the same inputs and nobody learns who else entered. That is a different kind of thing from a wheel: it is checkable after the stream, by someone who does not trust you, without your help.
So which one should you use
If you routinely draw from fewer than sixty entries, use the wheel. It is the better moment, it is instantly understood, and at that size it genuinely shows everyone. If your giveaways draw hundreds, use the reel and stop apologising for it — a wheel with four hundred names on it is not showing anyone anything.
And if you are growing through that range, leave the choice on automatic. A quiet Tuesday draws forty people and gets a wheel; the stream after a raid draws three hundred and gets a reel. Making that judgement live, while a room waits, is not a good use of the ten seconds before a draw.
Several winners changes the answer
One more thing worth weighing, because it catches people out with bundles of keys. A spin takes about seven seconds, which is exactly right once and is a ten-minute segment twenty times over. If you are drawing a batch, you want the winners to come out of one continuous moment rather than a queue of identical animations, and that is a property of how the draw is set up rather than of which animation you chose.
It changes the wheel-versus-reel calculation too. A reel that lands repeatedly reads as one event; a wheel spun twenty times reads as an admin task being performed on stream. So if bundles are your normal prize, that is a point for the reel independent of how many people entered.
The part both of them share
Whichever animation you pick, the moment after it lands is the one that matters. A name appearing with nothing around it reads as an admin action. The same name landing with the prize beside it, held on screen long enough to be screenshotted, is the clip that gets posted — and a giveaway that produces a clip has done something a giveaway that produces a line of text has not.
That is worth more attention than the wheel-versus-picker question ever deserved. The choice between the two is a legibility decision with a number attached. The reveal is the part people remember.