Boom Sports (formerly Boom Fantasy) vs Underdog
Both cover NFL, CFB, NBA, CBB, WNBA and MLB and more. Here's where they differ.
Key differences
- Boom Sports (formerly Boom Fantasy) covers NASCAR and Tennis, which Underdog doesn't.
- Underdog also offers best ball.
| Contest types | Pick'em, Peer-to-peer pick'em, Prediction market | Pick'em, Peer-to-peer pick'em, Best ball, Prediction market |
|---|---|---|
| States | — | 35 |
| Sports | NFL, CFB, NBA, CBB, WNBA, MLB, NHL, Golf, NASCAR, MMA, Soccer, Tennis, Esports | NFL, CFB, NBA, CBB, WNBA, MLB, NHL, Golf, MMA, Soccer, Esports |
| Minimum age | 18+ | 18+ |
| Min deposit | — | $10 |
| Payouts | PayPal, Venmo, ACH / bank transfer, Debit card | PayPal, Trustly (online banking), Venmo, Debit card, Paysafe, Apple Pay |
| New-user offer | Up to $30 in free entries (one $10 Pick & Spin and two $10 Pick'Em) after a first deposit and $5 of cash entries | New customers play $5, get $50 instantly; sign up with code UDPROMO (Underdog's App Store listing instead advertises a Gimme Pick plus up to $1,000 in bonus funds on a first deposit) |
| Canada | No | Yes |
| Founded | — | 2020 |
| Owner | Boom Shakalaka, Inc. (private) | Underdog Sports Holdings, Inc. (private); IG Group Holdings plc (LSE: IGG) agreed Jul 30, 2026 to acquire 100%, pending US regulatory approvals |
| Visit Boom Sports (formerly Boom Fantasy)(opens in a new tab) | Visit Underdog(opens in a new tab) |
The table is built from each listing's published details. See the Boom Sports (formerly Boom Fantasy) and Underdog profiles for their sources and check dates.