Recommendations

They are similar because female lead became beautiful but everything has some price. So if you like one then you might like the other.

They both deal with serial killers and both have that chilling terror that makes the viewer want to hold their breath.

They both are dark-themed psychological thrillers. The concept of both movies is quite similar. They both give a similar after-taste. If you liked 'Forgotten' and haven't watched the Oscar-winning movie Parasite, it's highly recommended.

Twins, take the place of brother to help him when something occurred. Being a beginner in love, she navigates through the life of a boy band member.

Sister takes the brother's place over and embark on the journey of becoming an idol when she was living her own life.

In both female lead wanted to beautiful in order to get a man or true love. However everything has some price.

They are similar because in both female lead wanted to be beautiful and it has come true but it was only temporary.

In both stories female lead is suffering in society because of her outer look, then one day she wish to be beautiful and the wish has come true.

They are similar because in both female lead is strugling in the world where beauty means everything and they became beautiful person on the base magic (ring/wish).

Both have story revolving around game of survival. In movie Survival game is process of surviving through killing and in Animal game through card games.

They are similar because they both take place in some virtual world where peple are trying their best to survive.

If you liked one of them, then you might like the other, they have same cast and they have vampire topic.

A romance that follows an Alien who finds herself stuck on planet Earth after accidentally losing a homing device. She crosses paths with a bossy CEO who suffers from heterosexual amnesia whenever it rains.

FML's both pretend to be their brothers and fall in love with their brothers' band member.
Both involve the music industry specifically bands

both horror comedies
both involve young people trying to solve a mystery
not super gory. safe for kids to watch... probably o_0;;
both, just watch both!