Online poker sites that are legitimate and have passed through third-party scrutiny are NOT rigged. But some players won't believe this, and feel they are being cheated over issues such as: Too many bad beats. More pots being won by depositing players (to encourage new players)
Poker apps provide the same security as desktop poker clients. Apps must still meet tight regulations from each jurisdiction's gaming commission. Poker apps also include geolocation software to make sure every player is within the state offering legal online poker.