Apps like d20 Attack Calculator

Here are some great alternatives to d20 Attack Calculator by Hapero.fi :
CritDice - Dice Roller
CritDice - Dice Roller
★4.7
RPG Dice Roller - Original
RPG Dice Roller - Original
★4.6
Dicely: RPG & Board Game Dice
Dicely: RPG & Board Game Dice
★4.1
Roll Tracker - Dice D20
Roll Tracker - Dice D20
★3.8
Roll My Dice: Custom Dice
Roll My Dice: Custom Dice
★4.7
RPG Dice Roller
RPG Dice Roller
★4.8
Dragon's Tear Tavern Mobile
Dragon's Tear Tavern Mobile
★4.7
Mighty Dice
Mighty Dice
★4.6
Risk Battle Simulator
Risk Battle Simulator
★4.6
WH40K: Dice Companion (Pro)
WH40K: Dice Companion (Pro)
★4.5
DnDice - 3D RPG Dice Roller
DnDice - 3D RPG Dice Roller
★4.3
Xd6 - Dice Roller
Xd6 - Dice Roller
★3.8
d20 Character Sheet
d20 Character Sheet
★3.8
RPG Dice 3D
RPG Dice 3D
★4.1
Roll the Dice & Coin Flip
Roll the Dice & Coin Flip
★4.4
Delve: through the dungeons
Delve: through the dungeons
★3.3