Pillar (acquired by Acorns) | 592 followers on LinkedIn. Pillar was a fintech startup that helped people get out of debt. Acquired by Acorns in March 2021. | Pillar was founded in 2018 to help people get out of debt. Raised $7M from the world's top VCs and built one of the most popular student loan apps in the US. Acquired by Acorns in 2021.