Peak Time (2023)

It is similar but instead of individual trainees the competition is for Idols who have lost their group due to the pandemic or have disbanded due to problems with idol companies, but even idols who want to prove their skills to the world and rookie idols who need a fame booster.

It is also kpop survival show. There are contestants that make the show fun with judges who work with them/train them to be better versions of themselves.

Both are from JTBC.
GOF is more on the vocal side then Peak time.
One is be female only the other male only.
Peak time highlight exsisting groups, while GOF create one.

In both survival shows already debuted idols are competing for more recognition. Both are also trying more to encourage competitors than to bring them down.

Survival shows for already debuted boy idol groups that are looking for more recognition. Production and producers attitude towards competitors is very different, though.

Similar concept survival shows for already debuted boy idol groups that are looking for more recognition.

Both are group survival shows.
Some groups where on both shows.
One is made for Japan the other more for getting spotlight in some asian countries.

If you like idol survival shows with wholesome + positive atmospheres, invested + helpful judges, talented + supportive contestants, and you don't like drama or evil editing then you should consider watching the other!

(Peak Time is about putting a spotlight on already debuted groups who are struggling and need exposure while Idol Producer is about seeing trainees grow and eventually debut.)

both are survival shows aiming to create more popularity to the contestants to either promote as their own group (peaktime) or create a new vocal group with the contestants (buildup). both have amazing quality performances as well.