Retro

Summary active Updated Aug 30, 2026

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Location San Francisco, California
Founded 2023
Latest Stage Series A
Total Raised $21M+

Investors

Dylan Field series-a (2026)
Thrive Capital series-a (2026)
BoxGroup series-a (2026)
Conviction series-a (2026)

Founders

Nathan Sharp Co-Founder
Ryan Olson Co-Founder

About

Retro is a friend-focused photo-sharing app built by former Instagram employees Nathan Sharp and Ryan Olson, operating under the corporate name Lone Palm Labs 1. Launched in 2023 as a personal photo journal, the app has expanded to let users privately share photos of their week with friends, create shared albums, and view recap features 1. Retro has generated more than 7 million downloads since launch, and in-app spending grew over 460% in the 180 days prior to the funding disclosure 1.

Disclaimer: This is a lean profile built from initial round coverage and may be expanded as more information becomes available.

Funding History

Date Round Amount Lead Co-investors
2026-08-28 Series A $21M+ Thrive Capital Dylan Field, Scribble Ventures, BoxGroup, Imaginary Ventures, Coalition, Conviction, Copper, Positive Sum 12

The SEC filing under Lone Palm Labs is dated August 19, 2026, and indicates the funding itself closed in December (prior to the August 2026 disclosure) 1. PitchBook estimated the post-money valuation at over $100M 1.

What Investors Say

No independently sourced investor quotes available at this time.

What Founders Say

Co-founder Nathan Sharp on the app’s positioning against algorithmic feeds: “People will still want to see more of their friends.” 1

Sources


  1. TechCrunch, “Friend-focused photo-sharing app Retro snags $21M,” August 28, 2026, accessed August 2026. https://techcrunch.com/2026/08/28/friend-focused-photo-sharing-app-retro-snags-21m/

  2. Techmeme, “Filing: Lone Palm Labs, the startup behind friend-focused photo sharing app Retro, raised a $21M+ Series A from Thrive Capital and others,” August 28, 2026, accessed August 2026. https://www.techmeme.com/260828/p