Both sites put through the same seven checks
CosmoSlots vs BoomWins
CosmoSlots scores 53 against 49. Its biggest edge is playthrough, ahead by 30 points.
The short answer, in three questions
- Which one do we rate safer overall?
- CosmoSlots
- Total Trust Score CosmoSlots 53 · BoomWins 49
- Which one is easier to cash out from?
- Tie
- Redemption reliability CosmoSlots 60 · BoomWins 60
- Which one have we proved more about?
- Neither yet
- Cashouts that landed CosmoSlots 0 · BoomWins 0
On total trust, CosmoSlots leads by 4 points. The factor table below shows where that lead comes from, and where BoomWins is stronger.
What separates these two
The widest scored gap is playthrough: CosmoSlots leads by 30 points.
Choose CosmoSlots if playthrough is your priority.
Factor by factor
A factor is one of the seven things we score. Edge names the site with the higher score on that factor, and by how much. A tie stays a tie. Where we have not scored a factor on both sides it reads as not scored yet, which is a gap in our work and never a zero for the site.
| Factor | CosmoSlots | BoomWins | Edge |
|---|---|---|---|
| Redemption reliability | 60 | 60 | Tie |
| KYC fairness | 60 | 60 | Tie |
| Terms honesty | 65 | 55 | CosmoSlots by 10 |
| Playthrough | 80 | 50 | CosmoSlots by 30 Widest lead |
| Track record | 35 | 35 | Tie |
| Player reviews | 30 | 30 | Tie |
| Support | 30 | 30 | Tie |
What we actually tested
- Test sessions logged2
- Cashout records0
- Cashouts that landed0
- Last testedAug 18, 2026
- Test sessions logged1
- Cashout records0
- Cashouts that landed0
- Last testedAug 18, 2026
Neither side has paid us a cashout yet, so a clean record here means not tested yet, not proven safe. CosmoSlots: we have not tried a cashout here yet. BoomWins: we have not tried a cashout here yet.
These figures come from the same corpus as the sweepstakes payout study, our running log of every cash-out we request with our own money.
Where to play each
We have not finished mapping state-by-state availability for CosmoSlots or BoomWins yet. The state tracker shows where sweepstakes play is currently live. See the state tracker →
The practical differences
Our records place CosmoSlots and BoomWins in the same sister-site family, so treat this as a choice between two storefronts of one operation rather than two independent companies.
CosmoSlots: redemption minimum not confirmed yet. payout methods not confirmed yet. operator company not confirmed yet.
BoomWins: redemption minimum not confirmed yet. payout methods not confirmed yet. operator company not confirmed yet.
Score movement in the last 90 days
CosmoSlots: Jul 31, 2026: Support 50 to 30 · Jul 31, 2026: Player reviews 57 to 30 · Jun 19, 2026: KYC fairness 50 to 60
BoomWins: Jul 31, 2026: Support 50 to 30 · Jul 31, 2026: Player reviews 57 to 30 · Jun 19, 2026: KYC fairness 50 to 60
Every adjustment is logged publicly. The change log has the full history with reasons.
CosmoSlots vs BoomWins: common questions
Which scores higher, CosmoSlots or BoomWins?
CosmoSlots leads 53 to 49 on our 7-factor trust audit, a gap of 4 points. The gap is widest on playthrough, where the lead is 30 points.
Have we been paid by CosmoSlots or BoomWins?
Neither side has paid us a cashout yet, so a clean record here means not tested yet, not proven safe. CosmoSlots: we have not tried a cashout here yet. BoomWins: we have not tried a cashout here yet.
Which has faster redemption, CosmoSlots or BoomWins?
We have not timed a cashout at either one yet, so this comes from our audit rather than a stopwatch. On redemption reliability they are level at 60 out of 100.
Which gets better player reviews?
It is a wash on player reviews. Both score 30 out of 100 on our reviews factor.
Where can I play CosmoSlots and BoomWins?
We have not finished mapping state-by-state availability for CosmoSlots or BoomWins yet. The state tracker shows where sweepstakes play is currently live. Check your state
Full evidence: CosmoSlots review + score history · BoomWins review + score history · how scoring works · casinos that actually paid
Availability varies by state. Check yours before signing up with either.