OptoDrum Downloads & RevenueOptoDrum · App Store
OptoDrum is #16 in Medical Paid in United Kingdom and charting in 15 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
24 Sep 2026Full timeline · 20 events in the last 12 months
- 📈OptoDrum entered the top 10 on iPad · Top Paid All AppsSA
- 📈OptoDrum entered the top 10Top Paid · Medical · CA
- 📈OptoDrum charting in a new countryPoland
- 📈OptoDrum entered the top 100Top Grossing · Medical · AE
- 📈OptoDrum hit #1Top Paid · Medical · AE
- 📈OptoDrum entered the top 10Top Paid · Medical · KR
- 📈OptoDrum entered the top 100Top Grossing · Medical · KR
- 📈OptoDrum entered the top 10Top Paid · Medical · DE
- 📈OptoDrum entered the top 100 in 2 chartsTop Grossing · Medical · DE · Top Paid · Medical · GB
- 📈OptoDrum new best rank in the overall chart: #125Top Paid · All Apps · NL
- 📈OptoDrum charting in a new countryNetherlands
- 📈OptoDrum new best rank in the overall chart: #165Top Paid · All Apps · BR
- 📈OptoDrum entered the top 10Top Paid · Medical · CN
- 📈OptoDrum entered the top 100Top Grossing · Medical · CN
- 📈OptoDrum entered the top 100Top Paid · Medical · AU
- 📈OptoDrum entered the top 10Top Paid · Medical · BR
- 📈OptoDrum entered the top 100Top Paid · Medical · IN
- 📈OptoDrum charting in a new country in 2 chartsIndia · Russia
- 🆕OptoDrum first spotted by AppInsider#97 in Top Paid · Medical · Canada
- 🆕OptoDrum released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Medical PaidOptoDrum at a glance
AI summary written from our chart and store data, 2026-10-31. It can be wrong: check the numbers above.
OptoDrum is a paid medical utility for clinicians that simulates an optokinetic drum on an iPhone to evaluate neurological, otological, and ophthalmological disorders. The app holds the #1 position in the Medical Paid category in the UAE while maintaining top-20 rankings in Australia and Brazil, despite a low user rating of 2.47 stars.
Similar apps: iStethoscope, Epocrates, Medscape
OptoDrum on the App Store
App details
OptoDrum downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where OptoDrum's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
How this is calculated
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | MedicalPaid | #16 |
 United States | MedicalPaid | #63 |
 Japan | MedicalPaid | #81 |
 South Korea | MedicalPaid | #54 |
 Australia | MedicalPaid | #37 |
 China | MedicalPaid | #165 |
 Germany | MedicalPaid | #93 |
 Italy | MedicalPaid | #50 |
| Canada | MedicalPaid | #86 |
 France | MedicalPaid | #109 |
 Brazil | MedicalPaid | #90 |
 India | MedicalPaid | #99 |
 United Arab Emirates | MedicalPaid | #49 |
 Russia | MedicalPaid | #133 |
 Saudi Arabia | MedicalPaid | #145 |
Apps near OptoDrum on the chart
Medical Paid, around #16.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about OptoDrum
From the 17 most recent App Store reviews in the US.
The majority of users report critical functional failures, specifically that double-tap stop commands and page navigation do not work as described. While a few positive reviews mention successful use after updates or for specific therapy needs, most complaints focus on the app being unresponsive, glitchy, and overpriced.
Mostly negative (29% of recent reviews give 4–5 stars). People like it for working reliably, and speed. The main complaints are about crashes and bugs, and price and subscriptions. Recent reviews are more negative than earlier ones.
What people like
- Crashes & bugs: “The freezing issue in fact has been fixed”
- Speed & performance: “What a fast and easy way to assess and correct the optokinetic reflex”
- Updates
- Ease of use: “What a fast and easy way to assess and correct the optokinetic reflex”
Common complaints
- Crashes & bugs: “Doesn't work as described”
- Price & subscription: “Not worth spending money on”
- Speed & performance: “It does not go as fast or as slow as you swipe”
About OptoDrum
• OptoDrum provides five patterns: black stripes, red stripes, mixed colors, symbols, and animals.
• Drag a finger up or down the screen to make the pattern move at the speed of your finger.
• Double tap the moving pattern to make it stop.
• Pinch or zoom the pattern with two fingers to narrow or widen the pattern.
• A left or right finger swipe switches a stopped pattern to the next one in rotation.
Latest updates
More from Linsay Associates, LLC
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