Spring

Name: Spring
Rating: 1.9375 (16 reviews)
Author: Catalyst Lab

Catalyst Lab

★ 1.9 (16 ratings)

⬇ 1,000+ downloads

Est. actual: 1,578

Free

Released: May 30, 2017

No in-app purchases

No ads

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +4 installs — 300% faster than the week before (+1) · 0/day since Oct 9
🏆Among Health & Fitness apps top 28% by installs gained this week (585 peers growing)
⭐Rating steady at ★ 1.94 since Oct 9
🛠Updates dormant · updated 134 days ago

Installs since launch

+11 installs · 0 ratings since Oct 9

Update history

79.4.2 Jul 1, 2026 · seen Oct 17, 2026

STELLAR: progress fix

Only the current version so far — new entries appear as the app ships updates.

Spring is a health & fitness app by Catalyst Lab with 1,000+ downloads (about 1.6K estimated). +4 installs in the last 7 days. Rated 1.9 from 16 ratings. Released May 30, 2017. Install growth, rank history, SDKs and ad networks.

From the store listing: “Spring study app”