OKN Strips icon

OKN Strips

v2.1

Thomas Alvarez

555 ratings

Report updated Apr 2, 2026

What Is OKN Strips?

OKN Strips is a specialized diagnostic and therapeutic medical application designed to elicit Optokinetic Nystagmus (OKN) for the evaluation of neurological, otological, and ophthalmological disorders. By transforming an iOS device into a portable clinical tool, the app replaces traditional, bulky OKN drums. It also includes supplementary diagnostic features like a Red Desaturation mode and an Amsler grid for comprehensive bedside eye testing. The app is strictly targeted at medical professionals, including neurologists, otologists, and ophthalmologists, who require a reliable, on-the-go diagnostic utility. It positions itself as a professional-grade, low-friction clinical tool with a straightforward one-time purchase model, avoiding the subscription fatigue common in modern medical apps. Recently, the app has shown strong upward momentum, climbing 35 spots to rank #54 Paid in its US App Store category. Its key differentiator is the seamless combination of customizable OKN stimuli and optic nerve evaluation tools (Red Desaturation) within a highly portable, gesture-controlled interface, providing immediate therapeutic and diagnostic value at the point of care.

What users think iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed
Therapeutic Effectiveness
Lack of Instructions... Show more

What does it look like?

What are the key features?

Optokinetic Nystagmus (OKN) StimulusDifferentiator

Moving strips to elicit OKN for neurological, otological, or ophthalmological evaluation

Red Desaturation TestDifferentiator

Diagnostic tool using a colored circle to assess optic nerve function

Amsler GridStandard

Diagnostic grid with adjustable color combinations for macular and central visual field testing

Customizable Strip ParametersStandard

Adjustable speed, color (Red/Black), and width via pinch/zoom gestures

Gesture-based ControlsBasic

Intuitive swipes to reverse direction and multi-touch to toggle UI visibility

What do users think? iIndependent intel reports to help builders create better apps or enhance existing ones. Still in beta, accuracy and relevancy get better every day. For informational purposes only.

Mixed

Recent user voice shows a mixed sentiment. Users appreciate therapeutic effectiveness and adjustable settings, but report lack of instructions and limited movement customization.

What Users Love

Therapeutic Effectiveness

Has corrected my issue with left hand shaking.

I have found amazing relief of pain, when I am consistent to use it 3 times a day!

Adjustable Settings

Different speeds also are a plus as is the ability to change color to red or black.

Tap the screen to make the strips go faster. Level 1 through 5.

Pain Points

Lack of Instructions

Useless to me without instructions on how to use it

There are absolutely no instructions to tell you how to use this app. You click on a screen and stare at a dot in a grid and do what?

Limited Movement Customization

Mine will only display vertical stripes and I need horizontal as well as vertical for mdds symptoms.

I’d like it if the bars could travel left or right and up or down.

Hidden Menu Navigation

If i need to go back to the menu... i can only do so after i quit and close the application

You can get back to main menu from optokinetic by holding down on screen for two seconds

Medium confidence · 18 reviews available

How is it ranked?

ChartRankChange
Paid#5435
No ranking data for this selection.

What are the pros and cons?

Pros

  • High therapeutic and diagnostic effectiveness reported by clinical users and patients.
  • Simple, low-friction one-time pricing model ($3.99) that appeals to utility-seeking professionals.
  • Strong baseline App Store rating (4.6+ stars) and recent upward chart momentum (↑35).
  • Consolidates multiple tools (OKN, Red Desaturation, Amsler) into a single portable application.

Cons

  • Severe lack of onboarding, tutorials, or basic instructions, leading to user frustration.
  • Limited OKN strip movement (only vertical), alienating users who need horizontal or multi-directional testing.
  • Hidden and unintuitive menu navigation that forces users to restart the app to change modes.
  • Stagnant development cycle with the last update occurring in January 2020.

What is the market outlook?

Growth Opportunities

  • Implement horizontal and diagonal strip movements to capture a wider range of vestibular and neurological use cases.
  • Add a simple onboarding flow or 'How to Use' overlay to immediately improve declining user sentiment.
  • Modernize the UI to compete with newer, highly polished diagnostic suites entering the market.
  • Market the app directly to vestibular physical therapists and patients for at-home therapeutic use, expanding beyond just doctors.

Market Threats

  • Comprehensive 'all-in-one' medical apps like Eye Handbook that include OKN features for free or as part of a broader suite.
  • Emerging telemedicine platforms (EyeCare Live) that integrate these diagnostic tests directly into remote patient care workflows.
  • Open-source and rapidly iterating modern alternatives (OcularCheck) that offer better UI/UX.
  • Risk of iOS updates breaking the app due to the lack of maintenance since 2020.

Who competes with OKN Strips?

The Nemesis

OKN Drum: OKN Stripes & Strips

OKN Drum: OKN Stripes & Strips

My Call Bag LLC

Directly competes by offering a dedicated, customizable Optokinetic Nystagmus drum simulation for clinical bedside use.

+

Directly competes by offering a dedicated, customizable Optokinetic Nystagmus drum simulation for clinical bedside use.

Contenders

Smart Optometry

Smart Optometry

4.4 (528)

Smart Optometry

Offers interactive eye tests for practitioners, including OKN, Amsler grid, and red desaturation functionalities.

+

Offers interactive eye tests for practitioners, including OKN, Amsler grid, and red desaturation functionalities.

Neuro Toolkit

Neuro Toolkit

Kent Ellington

Targets neurologists with bedside examination tools, including visual tracking and nystagmus elicitation features.

+

Targets neurologists with bedside examination tools, including visual tracking and nystagmus elicitation features.

MaculaTester

MaculaTester

Sabina Technology, LLP

Directly competes with the Amsler grid feature, providing digital macular testing and visual field diagnostics.

+

Directly competes with the Amsler grid feature, providing digital macular testing and visual field diagnostics.

Peers

Ullman Indirect

Ullman Indirect

My Call Bag LLC

A specialized ophthalmology tool for fundus photography, sharing the same clinical user base of eye specialists.

+

A specialized ophthalmology tool for fundus photography, sharing the same clinical user base of eye specialists.

What are the key takeaways?

OKN Strips is a divisive medical app that is a paid app. With a 4.6/5 rating from 555 reviews, it receives mixed feedback from users. Users particularly appreciate therapeutic effectiveness, though lack of instructions remains a common concern.

Best for: Medical professionals, including neurologists, otologists, and ophthalmologists, requiring a portable, reliable diagnostic tool for eye examinations.

How much does it cost?

Model: paid

Tiers:
One-time purchase of $3.99

Simple, low-friction one-time payment model targeting medical professionals who prefer a standalone utility without recurring subscription overhead.

iOS Version

2.1

Release Date

Feb 19, 2012

iOS Price

$3.99

Independent intel to help builders create better apps.

No publisher influence. No third-party bias. Built with objectivity in mind to serve the builder community. Reports are continuously improved and refined. For informational purposes only.

Hope this helps & keep building! · Found an error?

Cite this report

Marlvel.ai. “OKN Strips Intelligence Report.” Updated Apr 2, 2026. https://marlvel.ai/intel-report/medical/com-thomasalvarez-oknstrips

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