About this app
Replace your bulky optokinetic drum with OKNDrum. OKNDrum is the easy-to-use alternative to a physical optokinetic drum. Our app is used to evaluate neurological, otological, and ophthalmological disorders. To use OKNDrum simply place the iPhone or iPad in front of the eyes to elicit the response. The stripe color, width, speed, and direction can be adjusted easily. OKNDrum features: - 7 Scrolling Speeds - Red or Black Stripe Colors - Adjustable Scroll Direction - Adjustable Stripe Size - Easy-to-hide Menu - Easy-to-follow Instructions Feel free to contact us with any questions or feedback. *** OKNDrum was developed with the help of medical professionals and with the help of research papers. *** OKNDrum IS NOT a substitute for medical support. Consult your doctor for any advice.
Latest release
What’s New
Thank you for downloading OKNDrum. In this update: - Fixed Bugs - Performance Improvements
Audience growth
Ratings growth
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
- First observed Aug 16, 2026 · 6:16 PM $3.99
Screenshots
