Both sites put through the same seven checks
Zonko vs 1uckyduck
Zonko scores 52 against 47. Its biggest edge is terms honesty, ahead by 30 points.
The short answer, in three questions
- Which one do we rate safer overall?
- Zonko
- Total Trust Score Zonko 52 · 1uckyduck 47
- Which one is easier to cash out from?
- Tie
- Redemption reliability Zonko 50 · 1uckyduck 50
- Which one have we proved more about?
- Neither yet
- Cashouts that landed Zonko 0 · 1uckyduck 0
On total trust, Zonko leads by 5 points. The factor table below shows where that lead comes from, and where 1uckyduck is stronger.
What separates these two
The widest scored gap is terms honesty: Zonko leads by 30 points.
- No-purchase entry route differs: Zonko has no documented route on file, 1uckyduck via Mail-in postcard.
Choose Zonko if terms honesty 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 | Zonko | 1uckyduck | Edge |
|---|---|---|---|
| Redemption reliability | 50 | 50 | Tie |
| KYC fairness | 50 | 50 | Tie |
| Terms honesty | 60 | 30 | Zonko by 30 Widest lead |
| Playthrough | – | – | Not scored yet |
| Track record | 50 | 50 | Tie |
| Player reviews | 50 | 50 | Tie |
| Support | 50 | 50 | Tie |
What we actually tested
We have not opened an account here yet. The score comes from public evidence instead.
- 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. Zonko: we have not tried a cashout here yet. 1uckyduck: 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.
We may earn a commission when you click a Visit link. Commissions never affect any score. How the links work
Where to play each
Zonko accepts players in 39 of the states we track, 1uckyduck in 37. Confirm your own state before signing up. See the state tracker →
The practical differences
Start with what the branding hides: both casinos are operated by Mamba Limited. You are not choosing between two companies, you are choosing between two storefronts of one, so the deciding factors are the terms and the evidence on this page, not the logo.
1uckyduck's redemption minimum is $100. We have not confirmed Zonko's yet, so treat that side as unverified rather than equal.
We have a documented no-purchase entry route for 1uckyduck (mail-in postcard) but none confirmed for Zonko yet. That is a documentation gap on our side, not proof the route is missing.
Zonko: redemption minimum not confirmed yet. payout methods not confirmed yet. operated by Mamba Limited.
1uckyduck: minimum redemption $100. payout methods not confirmed yet. operated by Mamba Limited.
Score movement in the last 90 days
Zonko: Jul 7, 2026: Terms honesty none to 60
1uckyduck: no score changes in the window.
Every adjustment is logged publicly. The change log has the full history with reasons.
Zonko vs 1uckyduck: common questions
Which scores higher, Zonko or 1uckyduck?
Zonko leads 52 to 47 on our 7-factor trust audit, a gap of 5 points. The gap is widest on terms honesty, where the lead is 30 points.
Have we been paid by Zonko or 1uckyduck?
Neither side has paid us a cashout yet, so a clean record here means not tested yet, not proven safe. Zonko: we have not tried a cashout here yet. 1uckyduck: we have not tried a cashout here yet.
Which has faster redemption, Zonko or 1uckyduck?
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 50 out of 100.
Which gets better player reviews?
It is a wash on player reviews. Both score 50 out of 100 on our reviews factor.
Where can I play Zonko and 1uckyduck?
Zonko accepts players in 39 of the states we track, 1uckyduck in 37. Confirm your own state before signing up. Check your state
Full evidence: Zonko review + score history · 1uckyduck review + score history · how scoring works · casinos that actually paid
Availability varies by state. Check yours before signing up with either.