Butterworth Filter app icon

Butterworth Filter app

Randle Christian Sink

⬇ 10+ downloads

Est. actual: 19

Free

Released: Jun 4, 2013

No in-app purchases

No ads

Signals

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

📈Last 7 days 0 installs · 0/day since Oct 7
🏆Among Productivity apps bottom 0% by installs gained this week (516 peers growing)
🛠Updates dormant · updated 4204 days ago
🔁Ownership moved between accounts of the same company, from Randle C. Sink to Randle Christian Sink · Nov 5, 2026

Installs since launch

0 installs since Oct 7

Update history

1.0 May 13, 2015 · seen Oct 21, 2026

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

Butterworth Filter app is a productivity app by Randle Christian Sink with 10+ downloads (about 19 estimated). Released Jun 4, 2013. Install growth, rank history, SDKs and ad networks.

From the store listing: “Used to find epsilon (ripple) and order n given Amax, Amin (dB), Wc & Ws (rad/s)”