Apps by Richard Groeneveld
Flippy Do app icon

Education

Flippy Do

Richard Groeneveld

Free download 5.00 · 1 storefront · 3 ratings In-app purchases unconfirmed
Open on Apple

About this app

Flippy Do is an application for practicing converting binary numbers into decimal numbers (base 2 to base 10). Students taking computer science principles often make a Flippy Do out of paper. Look up online how to make the paper version as well. If you want to learn to read binary a Flippy Do is a great place to start!

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
3 ratings
3 Aug 19, 2026 · 3 ratings Aug 19, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 19, 2026 · Free Aug 19, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 19, 2026 · 7:41 PM Free

Screenshots

Flippy Do iPhone screenshot Flippy Do iPad screenshot