Apple has recently changed there guidelines where it is now required for all mobile games to disclose their loot box drop rates on all their products.
The guideline -> Here, mentions that,
Its not very clear how developers are required to display all the new drop rates for any lootboxes but a similar crack down has already been regulated in Japan where the gaming regulation there has requested all developers to disclose all drop rates in their mobile games, 2 year ago they took it a step further and required devs to give away any item in the game if a player fails to obtain his / her desired item after spending x amount of dollars in the game.
This news comes as no surprise and was only a matter of time when the regulation was to be enforced in North America or worldwide for that matter.
Lootboxes / Gacha is most commonly used in freemium games where consumable virtual item which can be redeemed to receive a randomized selection of further virtual items. These items can include virtual character, consumable items, power booster, any type of in-game item that can be perceived as value.