Alternatives
Both are free, so this is not a comparison about money. Sleeper fills a room with real people in seconds. RotoAlpha fills it with the people you actually draft against.
Every Sleeper feature below was checked against their own mock draft page on August 12, 2026. Check it yourself.
Sleeper Mock Drafts are free, fast, and better than ours at the thing most people want from a mock: a full room of real drafters, right now, on a phone, in the app your league may already play in. RotoAlpha has none of that. No native app, no lobby of strangers, and no connection to your Sleeper league.
The reason to run a RotoAlpha mock instead is narrower and, in the right league, worth more. Its opponents are built from your league’s own past drafts, so you are rehearsing against the manager who always reaches at quarterback and the one who empties his budget on running backs, rather than against drafters in general.
Free on desktop, iOS and Android, with no paid tier for mock drafts. RotoAlpha’s mock drafts are free as well, with no account required to run one, and the rival tendency report is free permanently for one league. There is no trial running out on either side.
RotoAlpha does sell a Football 2026 Season Pass at $39 for the season, which covers the paid side of the product rather than mock drafts. Access ends February 7, 2027 and nothing renews.
They run one of the largest fantasy platforms there is, and we are a first-season web app. Here is where that shows, specifically.
These tools are good at different halves of the same job. Get your reps in a live room on Sleeper, where there are real people to read and a queue that never empties. Then work out what the particular people in your league are going to do, which is the part a public lobby cannot teach you.
Nothing needs migrating or connecting to try the second half. Paste your league’s past draft results, which works no matter where you play, and a free account keeps them.
If you want to mock against real people at any hour, Sleeper is genuinely hard to beat and RotoAlpha does not try. They have the user base to fill a room instantly and a shareable draftboard your friends can join.
RotoAlpha is the better answer when you want to practise against the specific managers in your league rather than against strangers or a generic A.I. It builds those opponents from your league’s own draft history.
Yes. Free on desktop, iOS and Android, with no paid tier for mock drafts. RotoAlpha’s mock drafts are free too, with no account needed to run one, so price is not the thing to decide on here.
The difference is what the opponents are modelled on and what you keep afterwards. The Football 2026 Season Pass at $39 exists for the paid side of the product, not for mock drafts.
No. Platform sync was stood down in August 2026, so RotoAlpha connects to no platform at all, Sleeper included. Your past draft results come in by paste or CSV, which works regardless of where you play.
That is the clearest advantage Sleeper has here: their mock happens inside the app your league may already use, on the same draftboard you will use on the night.
On RotoAlpha, yes, and the auction calculator prices the full pool for your exact budget and roster shape with no signup. Sleeper’s mock draft page lists redraft, keeper and dynasty modes.
Probably. They are good at different halves of the same preparation. Use Sleeper to get reps in a live room against real people, and use RotoAlpha to work out what the particular people in your league are going to do. Neither requires giving up the other.
No account needed to start one. Paste your past drafts when you want the opponents to sound like the people you know.