Publishing press releases, effective or not?

Hello, I am launching several products and I am trying to improve SEO. Is publishing press releases still effective? It looks like I am losing money doing that without getting any return.

I posted for many apps I created, and doesn't seem to have much effect yet, It might take some time.

Photo Vault https://ift.tt/2SjE4To

Moodify https://ift.tt/39ap2Fv

pDrive https://ift.tt/2t1d6p3

pBookmark https://ift.tt/2Q04po0

Bitcoin4Photos https://ift.tt/2sf3lnc

Secure Calendar https://ift.tt/2MtKfAi

MyPodium https://ift.tt/364vM60

pNotes https://ift.tt/39eVlmJ

SatsHI https://ift.tt/2Zqi36S

BitPatron https://ift.tt/2rwBHSf

pForms https://ift.tt/2QnCcpT

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Comments URL: https://news.ycombinator.com/item?id=21887968

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