Paragon CRT® Lens Calculator

Name: Paragon CRT® Lens Calculator
Author: CooperVision Inc

CooperVision Inc

⬇ 1,000+ downloads

Est. actual: 4,828

Free

Released: Aug 29, 2021

No in-app purchases

No ads

Signals

3 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +5 installs — 37% slower than the week before (+8) · 1/day since Oct 7
🏆Among Medical apps top 35% by installs gained this week (140 peers growing)
🛠Updates dormant · updated 541 days ago

Installs since launch

+20 installs since Oct 7

Update history

1.2.1 May 21, 2025 · seen Oct 15, 2026

Various UI improvements and bug fixes.

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

Paragon CRT® Lens Calculator is a medical app by CooperVision Inc with 1,000+ downloads (about 4.8K estimated). +5 installs in the last 7 days. Released Aug 29, 2021. Install growth, rank history, SDKs and ad networks.

From the store listing: “The Paragon CRT® Lens Calculator is a free app designed to calculate CRT lenses.”