The games are available for download through Apple's UK App Store and offer real money action.
The Blackjack app features three betting boxes, smooth card and chip animations, high level sound, and customization options.
The Roulette app contains full on casino sound effects, full game history views, customizable cloth, and a 3D wheel and ball movement.
Commenting on the release, Ladbrokes Commercial Director John Pettit said, “Realistic Games continue to provide great mobile content for our customers so we are delighted with the delivery of the Roulette and Blackjack Apps. These are already proving popular with our customers with the Roulette App reaching over 1,000 downloads in one day post launch."
Realistic Games Commercial Director Andy Harris added: “We’re delighted with the quality of the games and feel we’ve created the market leading iPhone Roulette and Blackjack Apps. It now means we can also offer these vital games in Flash, on demand HTML5 on phone and tablet and as stand-alone Apps."