Apps like Game Master Helper

Here are some great alternatives to Game Master Helper by MobileMarketResearch :
Game Master's Toolkit 5e
Game Master's Toolkit 5e
★4.6
Behind the Tables
Behind the Tables
★4.7
Dungeon Roller - RPG Generator
Dungeon Roller - RPG Generator
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d20 Character Sheet
d20 Character Sheet
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D20 Complete Reference
D20 Complete Reference
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Fantasy Dice - 3D Dice Roller
Fantasy Dice - 3D Dice Roller
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Complete Reference for DnD 5
Complete Reference for DnD 5
★3.4
Endless RPG Solo Tools for D&D
Endless RPG Solo Tools for D&D
★3.7
Game Master Journal
Game Master Journal
★3.9
eRpgTools
eRpgTools
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Quest Portal VTT
Quest Portal VTT
★3.5
Dungeon World Helper
Dungeon World Helper
★4.2
TTRPG Encounter Generator
TTRPG Encounter Generator
★4.3
GameMaster Dice
GameMaster Dice
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Rollplay - Character Sheet
Rollplay - Character Sheet
★3.4
D&D 5e Character Keep
D&D 5e Character Keep
★4.4