Best Of

Best DFS Lineup Optimizers (2026)

An optimizer is software, not a sportsbook — legal in all 50 states and the single biggest time-saver in DFS. Here's how the leading tools stack up for projections, multi-entry building, and late swap.

  1. 1
    DraftKings4.7
    Best contest selection to deploy your builds into
    Play $5, get $50 in DFS bonus
    Get promo code →Read review
  2. 2
    PrizePicks4.5
    Best for prop-style pick'em research
    First deposit matched up to $100
    Get promo code →Read review
  3. 3
    Underdog Fantasy4.5
    Best for best-ball drafters
    Up to $250 in bonus cash
    Get promo code →Read review
Best DFS Sites & Apps (2026)Best Sportsbook Promos & Bonuses (2026)Best New & Emerging Betting Apps (2026)