Thirty Seven, Inc.

A small product studio with deep iOS roots.

We ship our own apps and build for clients across iOS, Android, web, and backend. No buzzwords, just good software.

• 

  ColorCub

  An AI coloring page generator — describe anything, get a printable page in seconds.

  • iOS
  • AI
  • Creativity
• 

  ReShoot

  Convert landscape video to portrait for TikTok, Reels, and Shorts by moving your phone.

  • iOS
  • Video
  • Creativity
• 

  Stitch It

  Combine screenshots into one long image — a whole conversation in a single picture.

  • iOS
  • Android
  • Utilities
• 

  Ereps

  Exercise prescription software with evidence-based rehab protocols and outcome tracking.

  • Web
  • Healthcare
  • Rehabilitation
• 

  Fax It

  Send a fax from your iPhone — no fax machine, no subscription, pay per page.

  • iOS
  • Business
  • Productivity
• 

  HowHigh

  A barometric altimeter for iPhone — track elevation gain and air pressure in real time.

  • iOS
  • Utilities
  • Navigation
• 

  Goose Gifts

  Funny gift ideas for people who are hard to shop for — weird, useful, real products.

  • Web
  • E-commerce

• February 2026

  ReShoot Lets You "Re-Shoot" Any Video Using Your Phone's Motion Sensors

  New iOS app turns landscape footage into polished portrait content without desktop re-editing.

  Read release

• February 2026

  Stitch It! 2026 Product Update

  Updated release with accurate stitching workflow, horizontal support, and correct platform links.

  Read release